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p500 ver 2.0 user manual

1. 46 Delete Ch B input Correction Curve optional 46 Delete Ch D input Correction Curve optional 47 Delete Output Correction Curve optional 47 Save K EKI iaia riali Relea SNS as ri ia cli le ola riale Sei Os ii 49 Save as Reference Civello ele 49 Sdveas Gomperisdtionianie nolan 49 Save as Master Eure a acre en een 49 Save AS BOS a Nags 50 Save Ch A as Input Correction optional essen 50 Save Ch B as Input Correction optional 50 Save Ch D as Input Correction optional sense 50 Save Ch A as Output Correction optional nennen 50 Reference A e i Sault Dale uta a 51 O ee isla Di RN 51 EAT ll lele lee Leelee SI PACA O en naar 51 SN 51 DOWN ATOW A A sa 51 A iur Reis 32 A na o ai ai uns 52 BASS BIO enden A S 52 Change Channels ku 52 Show Hidden Curves AA ie 52 Wille PO A wi as ae es 52 WIIE POINt Teheran alal 52 Write point UP een nike 52 ANTE DOMO A AA usa 32 Move TUU EN Re ile 52 Moyezurve AM is ia 52 Point to Point straicht nen zus nee 53 Curve Convert Monia lilla allo 53 Scale Window Ment ci alibi 53 Tolerance Curve Meni ee RE 53 Resonance TM licet 53 Gain adjust Men areas landen 53 Polarity Window MEL ek 53 O IS 53 Move DA nee 53 Move part neht oaser ea ali 53 Reset lower mit dagli 53 Reset E mit 2 4 ln a ae i
2. Functions Continue Exit Type dat Tot 134 No 98 Miss 4 20 20 dev dev 100 100 20 Hz 20000 20 Hz 20000 50 20 Ohm aby o 100 20 Hz 20000 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Continue Continue to process displayed data Print Print curves on selected printer Print Setup Select printer and settings 89 Continue P730 Utility Process Statistical Data Functions Limit Stat Data Cursor Save Sete Find Fat Type dat Tot 134 No 98 Miss 4 100 20 aby 100 20 Hz 20000 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Limit Add limit to display Stat Enable Statistical menu Mode 1 If the Reject display function has been selected the screen picture is bypassed and goes directly to the Statistical menu Mode 1 The statistics function processes the already collected data called Mode 1 and the presentation of the following curves Yellow upper and lower reference curves if selected Pink average of collected data Blue maximum and minimum of collected data Light blue and 3 times standard deviation of collected data Print Print curves on selected printer Print Setup Select printer and settings 90 Statistical mode 1 P730 Utility Pr
3. E A4export File name Eta Files of type Files txt Cancel If the imported file contains an already present type name for reference setup the system asks to overwrite or not Overwrite Type Do you want to overwrite tx NO In case of a new type name but not all parameters are specified a question of filling in the remainder of the parameters by default values or not is asked by the system Note If more than ONE setup type are present in the file that is selected for import ONLY the first setup is imported If the file A4EXPORT TXT was exported with all types import function only import the first found type To import the rest of saved types each setup must be saved en a separate text file 109 110 Match Stored Data optional The match utility is optional and do only work together with records the stored with a serial number This function matches all selected records together and finds the two speakers where the frequency responses of both speakers are within predefined limits and criteria s Match Select Save NotFound base to File Restore NotFound base from File Append data to NotFound base Reset NotFound base List NotFound base Match Data Processing Exit Utility As input to the match data process the data stored in a DAT file generated in run mode is used The result of the match process is a list of paired records and normally some records not paired The not pair
4. Presta e ade 33 Inp t Calibrate A re 33 Ai ili dere 35 perle 37 Ni a a ech heed Mande a A E oa tia ata a E E 37 Do de 37 CA A E 37 E oad 37 E A E ni 37 MAS as 37 AOS Va A A A ia 37 DITA helle 37 Data Retorica iaia eda 37 Result E eignen 38 Data A A a a a E ea alan 38 RESP eto ss alii ia 38 A We cuentas 38 Maa iaia 38 A O een nes 38 DEBV A A alari 38 POINTS ee ee ada 38 LL ERA RIEN 38 UDO rs Face teo ilaele hello ciale bai eli calate 39 RR RA IA RIO 39 a o o an 39 Polarity O la ao 39 Oni ieri 39 N patiVe siluri aaa 39 Pulse times iaia aan RL ana 39 E ia 39 WE CERRI RICA RIETI AIA 39 O hee kak 39 o NA 39 Stasi re 40 Mit it ibas 40 Detector coralli eS 40 San Erna era EE 40 SOON ee ee ed 40 oratoria li ia ae iaia 40 Falter ee A RARE GTO PRE ss IRR TI SIR te 40 Type rele a an e io ni ile ione 40 A eine lella 40 Freq ETE UE 41 lalla ee 41 DD A A a ao 41 References nd O a E 43 A E ed 43 A a a ss o o ria e NER re 43 Res a a ee ee 44 A Bee 44 Compensate anne HEHE 44 Master Comp inene e E a a a 44 Make M C mp nt learned an ni 44 Set Input Scale not for Poor aii adottata aaa 44 Delete net ellerre iaia 46 Delete Reference Dia 2 ra nei 46 Delete Compensation Cinese lla anioni 46 Delete Master Curve nenn 46 Delete Master Compensation Curve nono nconncconocnnn crono cono nconccnns 46 Delete Best Fit Chryel teche eboli aaa 46 Delete Ch A input Correction Curve optional
5. Ch Ch A Upper test 641 2 Hz 2 Hz 16 05 dev 05 de 10 aBv Cha 30 20 Hz 20000 10 aby 90 20 Hz 20000 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Zoom Enlarge display at selected channel Key Page Up has same function Zoom View all channels Key Page Down has same function Power Set power on output Move cursor to select frequency Key P as toggle has same function Power Disable power on output Key P as toggle has same function Calibrate Update master calibrate curve Act like a compensation curve 72 Display Hide Off Display compensation masters master compensation curve if present Display Hide On Hide compensation masters master compensation curve if present Move Fast Select fast cursor 10 time faster Move Normal Select normal cursor Disable Fast cursor Key 66499 Select active channel by use of cursor Key CL Move cursor left Key 34 Move cursor right Key Move cursor up to next curve Key Move cursor down to next curve Print Print curves on selected printer Print Setup Select printer and settings 73 74 Statistics Stat A Variance amp Collation If on screen statistics is enabled in the global setup you can have display information as Rejected test in percent and the variance for each s
6. Only active if an input correction curve is present for channel B This delete only channel B input Correction Curve 46 Delete Ch D input Correction Curve optional Only active if an input correction curve is present for channel D This delete only channel D input Correction Curve Delete Output Correction Curve optional Only active if an output correction curve is present for output This delete only output Correction Curve 47 48 Save amp exit Save File Save as Reference Curve Save as Compensation Curve Save as Master Curve Save as Best Fit Curve Save Ch A as Input Correction Save Ch B as Input Correction Save Ch D as Input Correction Save Ch A as Output Correction Quit without Saving Save as Reference Curve Save all reference data and limits as a reference curve Save as Compensation Curve Save upper limit in Channel A as a compensation curve If reference data are not present a set of reference limit and setup will be stored as a compensation curve Upper and lower limits must be of the same level Else you receive a warning from the system Save as Master Curve Save upper limit in Channel A as a master curve If reference data are not present a set of reference limits and setup will be stored as a master curve Upper and lower limit must be of the same level If not you will receive a warning from the system 49 Save as Best Fit Curve Save best fit
7. Wildcat characters such as and are allowed An asterisk has the same function as in DOS An asterisk means all characters if places in the beginning or at the end of a string The question mark s means character s in a particular place in a string Type list Select Type to Copy 102 Here the types test1 is selected to copy to a DBS file DBS file name and destination must be defined Save Seleted Types to File Save in JB 3 Floppy 4 ee ll DESCOPY DES File name DbsCopy Save as type Dbs Files dbs v Cancel Copy from Floppy or Disk to Reference To copy a reference type stored in a DBS format to the main reference structure use this function The actual type name or names in the particular DBS file have to be specified Wildcat characters as and are allowed An asterisk has the same function as in DOS An asterisk means all characters if places in the beginning or at the end of a string The question mark means a character in a particular place in the string After valid password is entered you have to select the DBS filename from you have to copy reference data from Open DBS Data File Look in 48 3 Floppy 4 ear File name E dbs Files of type DES Data Files dbs Cancel J Here the file Dbscopy dbs is selected to copy from 103 Type list Select Type to Copy Cancel The file contains only one
8. Channel C 0 0 db Rx 10 0 Ohm First be sure the output voltage have been be set in the Global setup for maximal wanted output The level at 1 KHz 0 db default 15 0 volt Then select the gain in input 1 and or 2 on the UA 25 UA S to get the correct signal level For frequency response be sure the frequency curve is on approximate in the first 10 db from screen top This to ensure the best signal noise ratio to detect rub amp buzz Then enter this menu Set amp Calibrate Input Connect the calibration adaptor from output to input 1 or 2 the XLR cable with a red banana plug in the other end Then calibrate input 1 or input 2 P730 will then put a test tone at 1 KHz at the output and adjust the scale to nearest valid decade value Note that the actual gain with the feedback calibration adaptor is shown in the Gain field If you want to come back to this level later please note the value and adjust sensitivity later go get same value Before calibration of channel C be sure the output voltage have been be set in the Global setup for maximal wanted output The level at 1 KHz 0 db default 15 0 volt Furthermore be sure the correct value of the sense resistor Rs is entered in the Rs field To calibrated channel C you must enter the value of the test load resistor speaker impedance value in the Rx field Check the test resistor with a ohm meter to be sure Activate the test tone channel C and read the gain value Repeat this and ad
9. is only valid for P730 Picro Pro and P730 Picro Pro and calmer is only valid for P730 Picro Pro Hardware Concept The P730 Picro system hardware consists of a USB Audio Interface UA 25 or UA 5 to be connected to a standard PC and test cables for input gain calibration and for impedance measurement The UA 25 or UA 5 have two inputs and outputs all 24 bits The inputs are supplied with a phantom power supply of 48 volt The sample rate can be selected to 44 1 KHz and 48 KHz Sample rate of 96 KHz can only be selected if only output or only input are selected and not input and output at same time Maximal input is 0 dBu 0 775 volt rms Nominal output is 0 dBu Input sensitivity is controlled by potentiometers on the front of UA 25 or UA 5 As optional a self calibrating USB Gain Controlled Pre Amplifier can be connected to the UA 25 or UA 5 to control the input sensitivity from the software An external power amplifier must be connected to the output to drive the speakers An external impedance sense resistor must accomplish impedance measurements As optional an external USB I O box can be added to enable external control with the system as start test and as return test results This option is included as a part of the USB Gain Controlled Pre Amplifier P730 Hardware Lay Out UA 25 Optional I O Power Amplifier 10 P730 Hardware Layout amp Gain Controlled Pre Amplifier UA 25 AID
10. Output 0 dB Rs resistor value 1 KHz test signal on off e Pre Amplifier Calibrate preamplifier Input 1 amp 2 to 0 0 dB On Off e Path Reference Data Results Any changes to the current global parameters can be stored on disk network for further reference Setup Mode Appropriate setup of test parameters requires a certain level of expertise and in depth knowledge of loudspeaker microphone technology To ensure that only skilled personnel are allowed to make or change of test parameter setups a secure manager protects the technician mode After entering of a valid password the type descriptions and content of the memo field for all previous setups are shown on the screen and a new setup can be implemented in various ways e Previously stored parameter setup can be used as the basis for manual changes e The software contains a built in standard default setup which can be used as basis e Number of good speakers microphones can be tested and used to create envelopes for frequency and filter setups e Limits can be established modified using the cursor in the graphical edit functions e Fixed level can be added to subtracted from existing envelopes Furthermore any combination of the above mentioned procedures could be used This gives a very flexible and powerful technique of setting up parameter characteristics Available parameters for setup include e Type name e Chain name e Description e Se
11. 24 bit AID D A 24 bit Power Amplifier Pre Amp amp I O ING Te 12 Software Concept The accompanying software has been designed in such a way that it is e Easy to use in a production environment e Fast and secure to setup the test parameters e Simple graphical control of rejected approved test e Incorporates extensive automated database storage possibilities All tests are performed in parallel and all results are shown simultaneously on the screen in appropriate colour coding green approved red rejected Global setup In the opening menu of the program the current global parameter setup as well as the setup change of parameters are found The global parameters comprise of the following e Control Cancel Record Enable Disable Start Control Keyboard External Repeat By Reject Enable Disable e Chain Chain On Off Delay Off 1 2 3 4 5 sec Break On Off e Display Graph By Approve Enable Disable By Reject Enable Disable Delay Enable Disable e Store Data Approve On Off Aut Data Reject On Off Aut Results On Off Aut Data Format Dbf Txt e Graphic Scale Auto Enable Disable e User Key s User ID Enable Disable Password Enable Disable Lock Enable Disable e Screen Statistics Enable Disable Include All results Approved Reload Enable Disable e Ext Amplifier
12. 54 Poz lei O aan ni Ne Ben se aa 54 Print SCOPA een EHE eher 54 Curve cConvert Menden SAA ieee steilen det 55 Upper Dit eu ra nee 55 Eowers Data ia ARE a 55 DA Upper ala 55 Data LOW ne dan 55 Data Upper Dit eee a eee Ra se 55 Data Lower gt Data ssaa alla ilari roads 55 Upper Data gt Dita net este a ara e 56 Lowers Data gt Data id ae nn ie Bin 56 Print Bee 56 O leale ea 56 Sc lewind Ww menus ass O rai 57 Ransellp rulla Gilardi ionica ipsaloa ilo ST Range Down A eosntedeegee 57 Window UD sen ae een 57 Window O a A eis 57 Prints ae Nee ee 58 Print SEWP see ee seele el 58 Tolet nce CURVE men roller awe 59 Addetto engineering 59 Add erste Mei SP a a TE 60 Add Leslie Della Aas A a E E A a 60 bollata 60 Savena A ES Ria rei la pre E E ss ibn ia raid ale ai 60 DENSA iS is 60 Pontida iaa 60 A 60 Resonance test MENU nono nnncnnnonononnnnonnnnncorononnnnanonnnos 61 Eow LIMA TS IS 61 A O lai 61 Reset Lime a ee smaller 62 A A a E AN 62 O SEa ET EUREN ee Un A oP IN 62 Placanica 63 PANES CUD man a E e a alal 63 G adjust MENU an o n E lei ei E ea ae 65 A ada 65 Reset VAE TA 66 Move Data een ae dba 66 Reset Move o ii 66 Potato 66 Print Seul lalla 66 Polarity window ment rail 67 Low Mark ale ee A NI 67 High Markets eisen nern 67 A A en en ee 68 Pta lasiert 68 Run ilaele A ae nl 70 VIEW A A A else ein ee hide 70 METS SAPERE o RO GIOCARE POR ORA I PIE A TI 70 CT SOT tt hs caer relati
13. LET lt gt 2 3 z Bn e IL lt 4 INS View all channels Page Down e EE UP Page 3 9 ES LIL EP lt gt 2 3 BH is IL lt 4 INS Select next channel as active channel Write curve and pixel functions half scale write pixel up move curve up write pixel right nevelope left sea write pixel down move curve down envelope right 125 EEE EE UP Page 5 9 LEE Le gt E TAZ CTRL 0 Es Write pixel s left Lo lese FEE UP Page 3 9 LEE OR lt 2 3 BE GEA CTRL D EM Write pixel s right LEE DUO UP Page E 9 LEE AA lt gt 2 3 BE If re CTRL 0 fe Write pixel s up 126 ef OOO UP LEE or 4 5 6 Ea ES 2 3 C CTRL 0 a IL Write pixel s down LEE OO UP LES oe lt gt 2 3 mas fe JU lt 4 gt INS Move amp write whole curve pixel s up Qe Doo UP Page 3 9 LES gt lt gt 2 BH lt 4 gt INS Move amp write whole curve pixel s down 127 C O DOO ai Pe SE Be LI LL es T del Be JD Write a straight line between two points iL CES doc UP Page 8 9 LEE LICE lt gt 2 3 Pl LL ley lt 4 gt INS Write curve left and keep envelope ef DOD UP Page 3 9 LES LICE gt 2 3 HH D e Write curve right and keep envelope 128 LE OUT UP END Page 5 9 4 5 6 EME 2 3 C CTRL 0 Essa Set lower limit to zero on selected chan
14. Resets adjust value Get the previous screen value Move Data Move data moves the measured data with entered value as an offset before any processing and is displayed as moved This function has same affect as changes in the input gain Move Data Reset Move Default Reset the data move function and value Print Print curves on selected printer Print Setup Select printer and settings 66 Polarity window menu The polarity test is by the program performed in the following manner The program finds the largest positive signal and stores this Then the program finds the largest negative signal and stores this The result of the polarity test is approved if the largest positive signal arrives before the largest negative signal and APROVED has been set to POSITIVE in the setup menu and visa versa If the magnet is poor or if amplifiers have been built into the speaker as in PC speaker systems the polarity may look like a damped sine oscillation Also if the environment is noisy a faulty polarity test result may occur To prevent this a time window can be defined to eliminate any signal that can interfere with the polarity test Z ae i E Functions Low High Reset Exit Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Low Mark Select the start marker for the window Move the cursor to the start time and set ma
15. Results refer to the location of all test results Display Graph When you are in the run mode you have the option of having the result presented graphically on the screen whichever they are approved rejected or rejected and approved or not at all Without graphics you will see if the individual tests are either rejected colour coded RED or approved colour coded GREEN or if 3 limit used and approved however out site one of the 3 limits colour coded YELLOW Display Graph can be activated by Approve only by Reject only or both at same time A Delay function can be enabled In the Run Mode this facility maintain the results from the preceding test on the screen until the result from the next test is ready delays the updating of the screen 30 User key s The ID function allows you to enable disable a request for your identification code during running speaker tests The ID is like a production password Several ID codes are possible The ID code is stored in the A4STAT database Use the Pass Word Manager to manage this code Version 1 0 only To change or make a new ID code you have to make the changes in the file ALT4 ID The User Password a Key is only used when the user makes a calibration in run mode The calibration function will only appear if you have made use of the master curve and created a master calibrations curve in setup changes parameters Use the Pass Word Manager to manage this code Version 1 0
16. This command is only active when last record is found with selected type Continue to process accepted data Results The actual test results can be displayed This only if the data is stored in the new format 86 P730 Utility Test Results DER Functions A Type 0 0 000 3 test Sn 000000000003 12345678 Date 000 110203214052 Id sane Ch A test Approve Ch C test Approve 2 Limit test Approve Resonance test Approve 3 Limit test Approve Q test Approve Sentivity test N a F test Approve Polarity test Approve Ch B test Approve Ch D test Approve Resonance freq 57 0 Hz Q value 2 96 Resonance value 26 00 dbR F value 19 25 Minimum freq 279 0 Hz Minimum value 13 00 dbR v Print Print curves on selected printer Print Setup Select printer and settings Automatic mode If auto mode is selected and a valid set of upper and lower limits are found a suppress function appears Note if no valid limits are found this suppress function do not appear 87 Statistical Data Collect Type dat Channels ChA B C D To suppress garbage data a suppress limit can be adde to present references for active channel Enter a suppress value in db 0 40 0 approved only 40 almost no suppress function Ch Suppress value Ch B Suppress value Accept Values Disable Suppress ChC Suppress value Ch D Suppress value It
17. ie ara 70 A de AE O N I TRENTA 70 atleta hei elio ine 70 Recanati 70 Pdl rele lele 70 Stat Areeiro a a e ec 70 Stat Brn A eis 70 a AA een S 71 OLS EAE E TE A T E AE E ra 71 Cursor UM las 72 ZOOM ola 72 A a rat 72 Prete ell 72 A 72 Calibratori iaia 72 Display Hide Off nase ilaele a 73 Display Hide On ass ee ee u 73 A A O A E E Ean 73 Move NOM ili 73 EAE SIRIA A A E AE E ee ea 73 retail ee 73 Kr ste rag isch flat ER 73 GARA RO ACR CEST ROTO RAI ARI 73 CL RR E 73 Leti e a 73 Print SA lee 73 Dialisi en an re een sets 75 Stat A Variance amp Collation il allena an ai 75 BAUS EE AEE ES 75 liacle 76 Pilato ieri re ai a e 76 BEIDE SC DD TA RCA RR E ee 76 Stat B Results amp Distribution AS 71 PENT ae O O AAE EE E EE 77 Print DER a Nein eis Russe 77 LU ROERO ERRE TE aaa 79 Process Statistical Data Utility acetone ee a 81 Process Selected PE ille lalla 82 Process amp Extract found Type to a File i 82 Process amp Extract amp Delete found Type aaa 82 Copy amp Delete selected type to a File oooonnononanonononnnnoncconn corn nnnn con eierezinzo rione 82 Delete selected Type from Statistical File 82 Number selection optional cis dr 83 Date selection a 83 Code selection OPTOMA ar een 83 Testresults A AA A AA A AAA AAA 83 Wsertestr Opromil aisi ar IR 84 SEEM Dr cn NAAA EI BERN ah 84 Manialmbode is 85 AC A ii 86 A A 86 BaCk PIRA
18. is possible to suppress unwanted stored records This works in the following way The value you add as suppress value is added to your upper and lower limits to widen your present limits This is a way to suppress wrong measurements from your data If for example the speaker was disconnected during the test you collect totally erroneous data To add for example 10 dB or more to your present limits you can suppress this kind of errors but still include normal rejects to your processing of data Statistical Data Display Collect Display graph when processing data Display Reject graph when processing data Reject It is possible to choose to by pass the screen presentation for each data set and jump directly to the presentation of limits in the STATISTICS submenu This is done in the Display or Reject submenu This speeds up the process considerable if many data sets are present When all data records have been processed all accepted records are displayed at the same time Ifa valid reference setup is found a proper color coding is selected At the top of the display information about the total number of collected record is displayed If for any reasons the structure of the first selected record is different from the rest a miss is counted The cause could be a change of frequency range gain or active channel number None of the miss records are processed 88 P730 Utility Process Statistical Data
19. master curve If one of the store measure data functions is on in global setup and cancel record function is on the operator have the possibility to Delete cancel the last stored data set on disk 18 Installation P730 Picro Hardware The P730 Picro system hardware consists of a USB Audio Interface UA 25 or UA 5 to be connected to a standard PC and test cables for input gain calibration and for impedance measurement For further information see UA 25 or UA 5 manual NOTE ADV switch MUST be ON to run with P730 software The switch is placed on the rear panel beside the USB connection Record Source must be in ANALOG position To avoid feedback the Volume control at the Input monitor must set to minimum fully turned left or the Monitor SW must be off no light P730 Picro cables UA S With the UA 5 you get a USB cable a power adapter For use to calibration and impendence measurement you get two cables 1 A cable with a banana plug and a male XLR plug This is for connecting input 1 or 2 to output of an external power amplifier for calibration of input scale 2 A cable two banana plugs and a male XLR plug This is for connecting input 2 and an external sense resistor to enable impedance measurement UA 25 With the UA 25 get a USB cable The USB cable applies the power For use to calibration and impendence measurement you get two cables 1 A Cable with a banana plug and a male XLR plug Th
20. present channels have to be processed just select All Channels Select Processing Ch Channel A Channel B Channel C Channel D All Channels If you in the Input channel setup menu have chosen the data smoothing function for at least one of the active channels you will be presented for the following screen picture where you can select either to present the data as recorded with smoothing or as recorded non smoothened If no smoothing is selected the display will not appear Process Data The Data is recorded with AND without smoothing Processed selected Data as With Smoothing Without Smoothing If all stored data have to be processed by the criteria selected at Record select the automatic function must be selected If you want to process the good or only the best or maybe only the bad data records select instead the manual mode In manual mode the date code and serial number are displayed If the data is stored in new format the actual test results for each measurement can be displayed in manual mode 84 Statistical Data Collect Type dat Channels ChA B C D Include data Automatic or Manual step by step Manual Cancel Manual mode In the manual mode the actual record is displayed By entering manual mode you can select to display the upper and lower limits together with the data or make displays without any limits Then you are asked to accept the current data or skip the reco
21. reference curve Using the Find function in Utility mode uses the best fit reference curve to match a measured curve Save Ch A as Input Correction optional Save channel A as input correction curve Save Ch B as Input Correction optional Save channel B as input correction curve Save Ch D as Input Correction optional Save channel D as input correction curve Save channel A B or D as input correction curve upper limit is converted into correction curve The input correction curve can be used to A Work as a compensation curve for each separate channel with fix point at upper limit maximal level compensation curve is 30 dB from display top 1 Make a measurement with a reference speaker 2 Include the measured data and store it as input correction curve B Simulate a reference microphone with a test microphone Make a measurement with a reference speaker Include the data and store it as reference curve Find the highest value of the upper limit and write it down used later Make a measurement with the same reference speaker but with a test microphone Go to the Curve Convert submenu Convert data to lower d gt Convert upper to data u gt d Subtract data from lower 1 d gt d 9 Convert data to upper d gt u 10 Move curve so highest point of upper limit have the same level as found in step 3 11 Store as input correction curve for the measured channel BDO ee oS Save Ch A as Ou
22. to maximal value If you only want to reset a single channel then enter edit mode select channel and press Ctrl End Edit Testing of good speakers will only provide the basis for a set of envelope curves To complete the envelopes you have to go to the Edit function See Edit Reference Mode Compensate Note You must make a least one measurement to get the menu and a compensation curve must be present Compensate the actual measurement in channel A with stored compensation curve As result the difference of the two curves is displayed Master Comp Master compensates current measurements This will compensate all channels that use channel A as input Note You must make a least one measurement to get the menu and a master curve and a master compensation curve must also be present The result curve is your measurement subtracted your master compensate calibrate curve Make M Comp Make a master compensation curve Note You must make a least one measurement to get the menu and a master curve must also be present Generate a master calibrate curve This curve acts like a compensations curve but if channel B or channel D use same input as channel A the actual channels will be compensated as channel A The master calibrate curve can be modified by the user in run mode within 3 dB What is the use of a calibration curve To calibrate your total test system you use a reference speaker First make a master cur
23. type with name test1 Overwrite Rename Current Type test Overwrite All If the type name you want to copy to main reference structure already exist the system ask you to overwrite this type in the main reference or to exit the menu Rename Reference Types This function renames a type name in the reference database In this example the type test1 will be renamed to type newname 104 Type list Rename Type Type to Rename Rename to newname Cancel Delete Reference Types To delete a single reference type or several types use this function Enter the name of type you want to delete Wildcat characters as and are allowed An asterisk has the same function as in DOS All characters are marked if places in the beginning or at the end of a string The question mark indicates a character in a particular place in string Final you have to confirm the operation or quit Type list Select Type to Delete Cancel 105 106 Export Reference Data This function takes the reference setup and converts both the setup parameters and the reference curve data to a TXT file First a list of available type name appears on the screen Type list Export Type to Export Selected Cancel Selected Select only one reference Type to be converted Type must be in grey field Type to Export Click twice on name to select AII Select all reference types listed
24. unlimited depending on hard disk size only max 64 000 setups The filter programming capabilities includes the following types e Tracking High Pass e Fixed High Pass Advanced high order filter technology ensures that both Rub amp Buzz and THD can be controlled efficiently just by defining the setup in the software The Tracking High Pass filter is an efficient filter for the determination of Rub amp Buzz The possible setting of the harmonics is 2 to 5 for Std version and 2 to 12 for the Pro version The Fixed High Pass filter is especially useful for the testing of full tone and bas speakers The fixed high pass frequency can be selected freely between 40 Hz and 18000 Hz However the actual filter selection depends on the tested loudspeaker type system often combined with the local engineering experience on the plant production line P730 Software Lay Out RUN SETUP MODE ge Y SELECT PREPARED oh SETUP CHANGE SETUP PARAMETERS PARAMETERS STORE STORE TEST SS MISI Sn DISPLAY RESULTS DISPLAY RESULTS i CURVE MANIPULATION Y Y WAIT FOR MEASURE Password Magager MEASURE Spl Setup UTILITY s Utility functions To enhance the exploitation of collected reference and measurement data a variety of utilities
25. will be refreshed Page Down Page down key or the Display Zoom out forces the system to display all channels If all channels already are displayed the screen will be refreshed Change Channel Use the key to change the active channel Show Hidden curves If a compensation master master compensation or a best fit user curve is present you can display this from hide level Write point left Write one point or 10 with fast cursor to the left with the cursor Use Edit Point Left or use the NUM Lock on keyboard and the numeric keypad on the right part of the keyboard and use the 4 key Write point right Write one point or 10 with fast cursor to the right with the cursor Use Edit Point Right or the 6 key Write point up Write one unit or 10 fast cursor up with the cursor Use Edit Point Up or the 8 1 key Write point down Write one unit or 10 fast cursor down with the cursor Use Edit Point Down or the 2 4 key Move curve up Write and move the entire curve one unit or 10 fast cursor up The moved value is displayed in the top of the display Use Move Move Up function or the key 9 Pg Up Move curve down Write and move the entire curve one unit or 10 fast cursor down The moved value is displayed in the top of the display Use Move Move Down function or the key 3 Pg Down 52 P
26. your testing parameters As a proper setup is very important and requires a certain level of expertise and in depth knowledge of loudspeaker microphone technology this should only be performed by a skilled technician Therefore all parameters in this setup are protected by password When entering setup the type name and the content of the descriptive field for all existing setups are shown on the screen To create change a setup you can either use an existing setup as model or start from scratch with default parameters To use an existing as model enter the Type name of the existing setup or double click on a Type to move the name to Type field and click Ok To start from scratch with default parameters enter a new unique name with max 12 characters in the Type field and click Ok Available Setup s Description test for a4m stat dat a demo test key P730 demo for test with chain Cancel If you entered a new type name you will be prompted to respond on the question if you really want to create a new type or you just made a typing mistake The next screen picture is the setup of parameters If it is a new type it contains only standard setup values If it was an existing it contains the characteristics of this type To make it into a new type you must change the name of the type 35 Setup Of Parameters m Type Name test Chain demo Description Help File I 3 Limit m Sensitivity Test M
27. Copy Reference Data This group of utilities contains the most functions needed to copy single record s existing in the P730 Picro main reference database to or from a floppy or another disk The files which you are copying have the extension DBS for setup files and DBC for reference curve file Reference Utility Select Menu E List Reference Types List Types in DBS files Copy Reference to Floppy or Disk Copy from Floppy or Disk to Reference Rename Reference Types Delete Reference Types Exit List Reference Types This function lists all types existing in the reference setup database This is the same list you are presented with when entering the run or change setup mode Available Setup s Description test for a4m stat dat a demo test key P730 101 List Types in DBS files It is possible to copy a single or a group of files to the DBS file by using wildcat characters To make a list of types containing a particular DBS file use this function Open DBS Data File Look in 48 3 Floppy A eee DBSCOPY DBS File name ff dbs Files of type DES Data Files dbs Cancel To list types in DBS file select disk path and file name Here a list contains of the file Dbscopy dbs with only one type test Copy Reference to Floppy or Disk To copy a reference type or types to floppy use this function With this function a proper reference type name must be entered
28. E Ta 116 include Noto cs a 116 A A ela 116 Appe dik A lieti 117 O A A A REPRE 131 Calibration Plus a ias 133 Impedance Adaptor a era ers eins 134 Appendix Online Er AA cha ae iaia iaia 135 Calibration without pre amplitud genen iaia aranci 135 Appendix Da ae ee ondata 143 Calibration with a gain controlled pre amplifier i 143 Introduction The P730 Picro is a cost effective test system With a personal computer and a test box chamber with measuring microphone s and external amplifiers it is a complete workstation for objective production testing of loudspeaker units and systems The P730 Picro system can test all currently tested parameters and is prepared for future needs e Frequency response e Efficiency Sensitivity e Polarity e Rub amp Buzz Distortion THD e Impedance e Qms Qts e F fres q All tests are performed simultaneously fast and reliable and can be stored locally or on a network for later analyse The hardware concept uses a swept sinus The input to the system is microphone response signals All analysis and graphical presentation is done by software to both assure fast processing fast graphic presentation and flexibility The software consists of an operator mode for relatively unskilled day to day production testing and a technical mode for set up of test parameters etc The technical mode is protected by password NOTE In this manual the text in following calmer
29. List NotFound database Use this function to list the records in the notfound database A4NOFIND OE Print Print Setup Exit Match Data No Find Records Type Date code Number aa 110603205034 00000999 113 Match Data Processing When entering the match data processing menu the input data file has to be selected Select the file name The default file name is A4M_STAT DAT Open Statistical Data File Look in Io P730 Picro Ue El a4m_stat File name a4m_stat Files of type Po Data Files dat al Cancel When the file is selected the type to process must be selected List Data File Select the start and end serial number to process or to accept all numbers Match Data Number Field Select E Selected Type aa Start Number to Process 00000000 End Number to Process 33333333 Max Counts 65000 All Cancel 114 Select the start and end date code to process or accept all date codes Match Data Date Field Selected Type aa Start Date to Process 0000000000 End Date to Process 1999999999 Max Counts 65000 All Cancel Parameters for the match process must be selected properly to match measurements together Up to tree calculations frequency span can be selected First start of the sweep to the lower significant frequency Second between lower significant to upper significant frequency Third from upper significant frequency to end frequency of the sweep
30. P730 Picro User Manual Version 1 3 a 2 April 2009 CONTENTS THVT UCI Oy aiuola a darli lidi rta arr 9 Hardware Concept 2 ile 9 SoftWare Coneein een 13 OLD UD A rer 13 Setup MA e ao da a do 14 A O A RE AI 17 Process Statistical Dit ls 17 Copy References Dalai A Me 17 Match Stored Data optional cono cnnn cono nconnons 17 R n TOE each sus alti 18 Installation cele in A A RA A alain 19 PISO Piero Hardware ii A ii 19 P70 Picto cables anenee anien eo Spa Bene 19 Recommended eonnections arredi io Hank ha 20 Connections for impedance measurement ii 21 Software installation saghe A e 23 Install UA S hessen leeren 23 SALVA 2 i aaa vires A Ren linke 23 EstallimeM PIO HES is 23 stat IS BePIO AE ee 23 STAN P730 TGS OS 23 Tastall USB ey driyer ssh elle lalla 23 Software User Sector 25 ME Rear 23 Pw Mer 2er ame een 26 NEN PASO rolla Dalai 27 Edit Password o Bin 27 Delete pistillo illa 28 Disable passo lle AREE RR RE ala 28 New Master Codecs are IAA alata 28 Spiel 28 DAM o ad 29 Controla ti TRA 29 PE o de 29 CAER liano 30 Repeat By REIett aan een insbe 30 Chat Bst 30 Patha ae sel ea anali ad le lion ieri ie a 30 DSpace e a oi 30 IL A A ERIN BE 31 MO tias 31 Da ae msn ODA O REY N 31 LES A rise lio ate Mak al Mad Ne Nae et 31 SET POPPP PARSO IRON CPSI A lbs 32 Graphics SCANS dades 32 Ext Ampere entsetzt 32 A a n a a A a a e i 32 RE Nhe a bielle lO 32
31. Qms Exact value Re must be known and entered to the separate setup Q Qms if the Re not is constant for every measurement Q Qms Approximated Re Re Z min gt Qms This value is normally gt to Re approximate 0 to 10 Q gt Q y app Q Qts Exact value Re must be known and entered to the separate setup Q Qts if the Re not is constant for every measurement Q Qts Approximated Re Re Z min gt Qts This value is normally gt to Re approximate 0 to 10 Q gt Q y app Q upper and Q lower limits must be added to activate the Q test To disable the Q test enter 0 to upper limit Print Print curves on selected printer Print Setup Select printer and settings 63 64 Gain adjust menu It is possible to change the default scale moving scale In this way it look like the gain have been changed To do this enter the gain adjust sub menu Select proper frequency by using cursor Set new value on display NOTE This function is not active if SPL scale is selected Functions New Reset Move Default Exit 641 2 Hz 20 74 dB 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu New Value Enter the new display value The value is included in all calculations This function only works in channel A 7 New Sca E Enter new Scale Gain Value 93 0 Cancel 65 Reset Value
32. SS N 86 CONTI ella ahi 86 A eran 86 Pirola elite ES 87 Print Set p essen een ee 87 Automatie MOS ee ke 87 Conti nennen A 89 Piton 89 AS ll O A LE 89 EI PRIORA RR E MISA IT 90 bimotore ri iii 90 See lle ia ia 90 PA as 90 A A A es 90 Statistical made ASA A A ads 91 Dita od 91 A O ON 91 a ad neo iii 91 DE ee ee 91 Ed lella lata 92 SSUES iaia idea 92 O O 92 Find AI 92 Statistical mode Iii dii ES a a a Re 94 Past eo nes ale ioni as ana 94 IN OT a er er N end 94 ZONEN Mes 94 ZOO E BU BRR ne A 94 Replies 94 MESE is 94 MEP AAA AA A 95 MRE eo 95 LIRA OO 95 A AA danese pie 95 Convert Statistical Dalaran 97 Copy Reference A ii alia iii a 101 List Reference Typs ee li ele 101 List Types an DBS Hesse ee as 102 Copy Reference to Floppy or Disk na 102 Copy from Floppy or Disk to Reference cono ncconocnnnos 103 Rename Reference PES dd 104 Delete Reference Types eerten e ON 105 Export Reference Dai lillo teed ats le EE 107 Selected saanen NN ee 107 AM SS A alia 107 Eme Length Limited AAA a 108 Import Reference Data it AAA a Nennen mais 109 Match Stored Data optional iii cad 111 Save NotFound base to lea 111 Restore NotFound base from File u a 112 Append data to NotFoundbaser riali 112 Reset NotFound bas nee 113 List NotFound database ss dsd 113 Match Data Process m1 ssc cca lie a ao 114 Significant Teques 115 Acceptance level alal aaa 115 Spam Mit ee oca 115 Save Para Mii A A E
33. This to make an outer set of parameters and an inside set of match parameters Match Data Match Parameters Significant frequency Span limit Lower 20 Hz Inside 2 0 Octave Upper 20000 Hz Outside 2 0 Octave Acceptance level F Include NotFound Inside 1 0 de Dutside 2 0 dB Continue Significant frequency The significant lower frequency can be selected from the start of the sweep to less than the upper significant frequency point The significant upper frequency can be selected from the point higher than lower significant frequency to end of the sweep Acceptance level The inside acceptance is the maximum numeric difference between the two measure of all measurement points in the inside band before the match is rejected as nofind Span limit The inside span limit per octave is the maximum sum of numeric differences of all measurement points calculated on octaves entered in this function compared to the inside acceptance level If the sum of inside differences based on the entered octaves is higher than the inside acceptance level the match record is rejected as a nofind 115 Save Parameters Save the current match parameters and continue with the match process Include Notfound Include add the records from the current Not Found database to the match process Continue Continue the match process with the current match parameters A4FOUND OE Print Print Setup Exit Match Data Display Records T
34. To set power off use Functions Power Off function or use Toolbar Power Off Use the shortcut key P to toggle the power on off Move part left Ctrl key or use move Move part Left By writing part of a curve up or down you can keep the curve envelope shape and move part of the curve to the left Move part right Ctrl key or use move Move part Right By writing part of a curve up or down you can keep the curve envelope shape and move part of the curve to the right Reset lower limit Ctrl Pg Down Set Limit off or shortcut key Ctrl Page Down 53 This forces the lower limit to zero on the selected channel A quick way to reject to have a lower limit in rub amp buzz test Reset Limit This resets upper and lower limits only on the selected channel Use toolbar Reset Channel Limit or use shortcut key Ctrl End Centre reference limits This sets the upper and lower limit to half range value 40 dB from screen top This is to make tolerance curves See the tolerance sub menu Use Set Centre Limits or shortcut key Ctrl Home Print Print curves on selected printer Print Setup Select printer and settings 54 Curve convert menu P730 Edit Convert Mode Functions ued ied d gt u d gt 1 wed dded uto gt d dto gt d Exit 20 Hz 20000 Ready NUM Functions can be activated by toolbar by en
35. ad a tolerance curve from disk to memory Save Store a tolerance curve upper and lower limit to disk NOTE To save a tolerance curve the curve must be generated in channel A Delete Delete a loaded tolerance curve from disk Print Print curves on selected printer Print Setup Select printer and settings 60 Resonance test menu In the Run menu you can perform a resonance test as a separate test if Ch C is enabled When a resonance test is performed all result as resonance frequency and value test result min impedance and frequency Q at resonance if enabled the F result and value are stored in the AASTAT file To activate this test you have to tell the system the actual start and end test frequency of resonance The F is resonance frequency Q hertz In this way you can test the resonance frequency the maximal Q and the min Q by using the F P730 Edit Resonance Mode ES Functions Low High Reset F Set Q Set Exit 38 9 HzM ll8 86 der 20 Hz 20000 9 32 hi 22 0 lo 2 50 lo 17 5 Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Low Limit Select the start frequency for resonance test Move the cursor to the start frequency and set frequency with Low You can use the fast cursor 0 High Limit Select the end frequency for resonance test Move the cursor to the end frequency and set frequency with Hi
36. an be converted to ASCII files with a delimiter as comma or semicolon Likewise also measured data can be converted Finally this utility can also import text files generated from the export utility as reference Match Stored Data optional The Match utility are a group a functions where a match between different measured frequency responses can be found against selected match parameters The outcome is a list of speakers with serial numbers to be matched together Run mode Relatively unskilled operators can be used for production testing since test setups and decisions about test parameters are made in the protected technician mode The operator selects from the menu which of the existing setups to be used for running production tests assuming the sensitivity are correct adjusted The operator can select to view complex detailed graphical results or alternatively short simple and clear result flags in the form of descriptive text appropriate colour code The main results from each test rejected approved error type speaker type channels date etc are stored in a database for analysis and statistics and also all the actual measured data can optionally be stored in another database An on screen statistics can be displayed for each single test type and analysed for selected data The operator can make small on line calibrations adjustment in reference setup by entering a user password and making use of a previously stored
37. are included The utility functions consists of three grouping of functions Process Statistical Data Processing all stored data processed in the run mode for each setup type For each type you can select start and ending date start and end number start and end code user test result test result and select active channels to process Optional You can select either automatic where all records from a user defined selector are included or manual where you decide for each record to include or exclude to process In manual mode the actual test results can be displayed 1f stored together with data After processing the results are shown graphically on the screen for valid records Here you can further process the data to show curves as average standard deviation With a powerful Find function the best match to the average or a best fit reference can be found or a match to a stored user curve Copy Reference Data The copy reference utility contains most functions to copy single record s from the reference database to floppy or disk You can list reference and database files Copy reference to or from other media vice versa You can rename or delete reference types in the database Convert Export and Import Data The export import convert utility can be used to export data to spreadsheets for further manipulation or presentation Reference files including all parameters and reference curve data c
38. ave been set every Type setup must have a selected output level equal or less maximal output This level is done in p730 software To get an enough signal level to work with input gain has to be adjusted Normally adjust the input level so frequency response is in the first 10 db from top of scale If servile setup is used be sure you not go below 20 db from top scale Else a new adjustment must be done 139 Hardware Lay Out Input Scale Calibration UA 25 Cal Plug When the input gain is selected an adjustment calibration of the scale must be done This for every time a change has been made on the input sensitivity on the UA 25 UA 5 or if the out volume control on UA 25 UA 5 or on the external power amplifier have been changed No adjustment calibration is necessary if changes only have been made by the software Note adjustment only necessary for changes in the hardware settings To tell the P730 software to select a correct scale and sensitivity you have adjusted the hardware to be you do following Connect the feedback plug to the input you want to adjust For a microphone normally input 1 Connect the other end of cable to your output When you then make the adjustment in the p730 Reference Set Input Scale you have to do this for every setup type you generate the program know the output level and can calculate your input sensitivity and select the correct scale Note the program give you the gain in db so it is possibl
39. ce data e Optional A utility to match two set measurement of frequency responses together 79 80 Process Statistical Data Utility When entering the Statistical Data Utility the program asks you to select a Statistical Data file Default A4M_STAT DAT Open Statistical Data File Look in CQ P730 Picro vere E a4m_stat File name a4m_stat Files of type P730 Data Files dat Cancel When a Data File of the type DAT if opened a list of all different type names stored in the selected file is displayed In this case only tree types is in the a4m stat dat file List Data File E Note The program reads only the first 64 different setup types It is a good idea to copy and then delete the DAT file from your production line PC to avoid a message disk full or to be sure that the file does not become to big to process After a proper selection of a valid Type you get the choices sl Statistical Data Select Menu Process Selected Type Process amp Extract found Type to a File Process amp Extract amp Delete found Type Copy amp Delete selected type to a File Delete selected Type from Statistical File Cancel It is possible to manipulate with the stored data The following options are possible Process Selected Type Process the data without manipulating any of your source data in the Statistical Data file Process amp Extract found Type to a File Process a
40. e containing the description shall be in HTML format files ending with htm created edited by the user previously The user can then in this Help File field select the file name 3 Limit This function does only work for channel A Normally the frequency response is tested against an upper and a lower limit With the 3 limit function on you can test the frequency response against 2 Th and 3 Th upper and lower test limits Each set of limits is a separate test The colour coding of the frequency response is only referred to the first upper and lower limit If you only want the read colour coding of the frequency response by a total reject of all 3 test limits you start with 3 th limit and end with the 1 th limit as the widest set of tolerance The colour coding between rejects and approved are then yellow Status Status is information for current setup as compensation master and master compensation and output curves Auto Save Data App This function has same function as approve in Store Data Approve in setup of global menu To activate this function the Store Data Approve in setup of global menu must be set to AUT Data Rej This function has same function as reject in Store Data Reject in setup of global menu 37 To activate this function the Store Data Reject in setup of global menu must be set to AUT Results This function has same function as Store R
41. e to recalibrate input sensitivity to a wanted previous used value 140 Hardware Lay Out Impedance Calibration UA 25 For impedance measurement a sense resistor Rs is used to measure the current The Rs value and maximal output level are entered in Global setup An impedance loop back cable is used together the Rs resistor for the impedance measurement Input 2 is always used for impedance measurement To calibrate scale to a correct value a reference resistor R ref is used Adjustments are done so the readout in channel is correct This can be done on two ways a Select LIN scale it is easier to get the read out in ohms Make measurements and adjust sensitivity for input 2 on UA 25 UA S so the read out is correct b The calibration is done in Reference Set Input Scale Enter the value of your reference resistor in the Rx field Adjust sensitivity for input 2 on UA 25 UA 5 so the read out is 0 0 db The read out in db is the changes in db from the correct value entered in the Rx field To make a measurement click on the Channel C bottom This calibration must be done for every setup 141 142 Appendix D Calibration with a gain controlled pre amplifier 143 144 Hardware Lay Out Normal use Hardware schematic for a normally setup Input is here used for microphone and input 2 for impedance measurement Normally sequence for a setup and calibration for the system is following A For output main level setti
42. ed records are added to a DAT database with name A4NOFIND DAT To avoid conflicts with data records with same serial number a check for dual records is made before any match process This removes the problem if the nofind database is added more than one time Note If you by mistake have added the same speaker record more the one time maybe the first record was made by mistake the last record will be the valid one Save NotFound base to file To save the notfound database use this menu The database can be saved on different location and name 111 Save NotFound base to File Save in JA 3 Floppy 4 ear File name NotFound Save as type Data Files dat v Cancel Restore NotFound base from File Use this function to restore a notfound database The present notfond database will be overwritten with the new one NotFound file to restore Look in 2 3 Floppy 4 Vet File name NotFound Files of type Files dat Cancel Append data to NotFound base Use this function to append data from file saved as notfound file This function leaves the stored data on the present notfound database and appends data only 112 Append file to NotFound Look in 48 3 Floppy 4 ref m Er a4nofind NotFound Test File name Test Files of type Files dat y Cancel Reset NotFound base This function removes all present records from notfound database
43. elect the average for channel A B C or D or any combination of these or for the best fit reference Submenus Select In this sub menu it is possible to select the curves to display in Mode 1 and Mode 2 This function is made for better to make a screen dump to a printer or disk for documentation purposes Select Curve MW Display Ave Curve V Display Upper Curve MW Display STD Curve V Display Lower Curve W Display STD Curve MW Display Max Curve EMM Select STD MV Display Min Curve V Select Best fit Ch A Select Best fit Ch C Select Best fit Ch B Select Best fit Ch D AVE E Best fit Reference Cancel Find The find function select the records that match best to the average or the best file reference curve selected in select curve menu In this example record 73 out of total 134 record out of 98 processed records was found The date code of the unit is 0113941609 92 P730 Utility Best Fit Functions Zoom Est Ch A Data 641 2 Hz 35 72 de 20 aby 20 aby 100 100 20 Hz 0000 20 Hz 20000 50 20 Ohm aBy o 100 20 Hz 20000 20 Hz 20000 Tot 73 134 No 73 98 Date 0113941609 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Fast Fast Cursor is 10 times faster than normal Normal Disable the cursor Zoom In Enlarge display at selected channel Key Page Up has same funct
44. elete key cancel the last stored measured data by marking the actual record with deleted Repeat By Reject By enable this function a second test will be executed if the first test was rejected Chain This function allows you to activate an indefinite number of other test setups in a chain First the setup test is carried out and then the chain setup test is carried out which in turn can invoke another chain operation etc Care should be exercised NOT to chain the same type twice in the process as this would result in an infinite loop In the setup you can select the delay between tests in the chain from 0 to 5 seconds and you can select whether or not you want to break the chain of tests at the first reject in one of the test the results Note To activate a chain in run mode both this global chain must be on and a valid chain name name of a test must be in the called setup of test and must be present in the database else the chain function will be forced off Path To facilitate the processing of the results and the statistics you can freely select where the input files are to be found and where the output files shall be stored Define the appropriate paths for this here The Reference refers to where the P730 Picro reference data are located If listed c tells that the reference data are located where the P730 Picro main program are placed The Data refer to the location of all measured data The
45. ensitivity frequency test is performed before the movement of the curve Hz Enter Sensitivity frequency in Hz The sensitivity frequency must be within the start and end frequency The sensitivity test is a separate test in run mode Input Channel A is reserved for frequency measurements Channel C is reserved for impedance measurements The other channels B and D can be used for measurements of frequency response as well as Rub amp Buzz and THD measurements 39 Status Select active channels Note that at least one channel must be active Mux Select input number 1 or 2 If channel C is active the input 2 is used as default NOTE If input 2 is used the input must be deselected before channel C can be allocated for input 2 Detector Select detector and presentations mode Channel C linear or logarithmic Channel A B and D linear logarithmic or SPL SPL is logarithmic with reference to 20 micro Paschal as 0 dB Gain Select gain for input 1 or 2 on Pre amplifier These correspond to channel A and or channel B For channel C the impedance channel the gain is automatically calculated and cannot be selected by the user The sense resistor selection is done in Global Smoothing Here you can select data smoothing on or off to appear on the screen as well as in the data processing You can select smoothness over octave selections of 1 48 1 24 1 12 1 6 1 3 2 3 and 3 3 Current This is optional T
46. esults in setup of global menu To activate this function the Store Results in setup of global menu must be set to AUT Data Path This is the location where the data are stored if auto save result flag is activated This enables the possibility to save different type of setups on different locations If Data Path field is empty the path defined in global setup is used Result Path This is the location where results are stored if store data Approve Reject are activated This enables the possibility to save different type of setups on different locations If Result Path field is empty the path defined in global setup is used Sweep Start Start frequency of the sweep min 20 Hz Move cursor to another field to see updated field Stop End frequency of the sweep max 22000 Hz The minimum difference between start and end frequency is one octave Move cursor to another field to see updated field Delay Delay time in milliseconds Minimum is 0 sec and maximum is 999 sec The delay time is the time from the signal is present on output to input signals are processed A normal test sequence is the following First comes the pulse for polarity then the delay time and finally the sinus sweep Move cursor to another field to see updated field Points Number measuring points minimum 10 and maximum 250 For speaker measurements use 125 250 points Time Sweep time A sweep starting with a lo
47. f Ch B or Ch D as relative This function is made to display the difference between frequency curve and rub amp buzz The differences are displayed as a distortion in dB and the 100 in top of the screen as 0 dB If Relative is used the scale is displayed in this useful in THD measurements 41 42 Reference P730 Reference Mode DER Commands Include Reset Edit Set Input Scale Print Print Setup 20 Hz 20000 20 Hz 20000 Activating Reference leads you into the setting up of reference envelopes for approved and rejected conditions for the different test channels Often you use already approved reference speakers to set up a future standard Often called a good speaker By testing a number of good speakers you can create the basis for the tolerance envelope curves Measure To make a measurement activate the Measure command make use of the Measure toolbar or use the key M Include If you accept the test results of a tested speaker you include the test by selecting all or a single channel the transgressions of the upper or lower limit with respect to the present envelopes will be included to the future reference envelopes Use key T for shortcut 43 Include Measurement to Limits Channel A Channel B Channel C Channel D 2 Limit 3 Limit Include All Cancel Reset The upper limit is thus positioned to minimal value and lower limit is positioned
48. gh You can use the fast cursor 0 61 Reset Limits Reset the resonance test frequency markers and set the test off F Set If the resonance test is selected you can enable F test by entering an upper and lower tolerance Note 0 off This F test is separate test in run mode Set F test limit Enter F test HIGH limit O off 220 Enter F test LOW limit O off 11 75 OK Cancel F resonance frequency Q The F is the span in hertz measured between the lower and higher frequency point the Q is calculated at F upper and F lower limits must be added to activate the F test To disable the F test enter 0 to upper limit Q Set If the resonance test is selected you can enable the Q test by entering an upper and lower tolerance Note 0 off This Q test is separate test in run mode Set Q test parameters Oms Approximation at 3dB level Enter Re value in Ohm Enter Q test HIGH limit O off 13 39 Enter Q test LOW limit O off 2 50 OK Cancel The Q test can be selected as Qms or Qts To cope with a fast automatic test system approximations can be necessary To calculate the exact value of Q the Re the DC resistance is needed To compare a speaker with others relative measurement an approximation is preferred to be selected Following different Q calculations can be selected Q Qms Approximated level as 3dB from resonance frequency 62 Q lt Qms due to the Re value Q
49. he Impedanze can be measured in a current mode To do this the Pre amplifier CGA together with a current output amplifier must be used together The hardware and the max ciurrent load are set in the Alt4 hw cfg file Filter The programming capabilities of the filters includes the following filter types 1 Tracking High Pass 2 Fixed High Pass Advanced high order filter technology ensures that both Rub amp Buzz and THD can be controlled efficiently Type The filters can be selected as Tracking High Pass TRK HP and Fixed High Pass FIX HP Har Harmonics For the TRK BP the tracking Band Pass filter and TRK HP the Tracking High Pass filter the possible setting range of harmonics are from 2 to 5 for the Std version and 2 to12 for the Pro version The 5th harmonics is often used to measure Rub and Buzz while the 2nd harmonic is commonly used to measure the THD 40 Freq Frequency The Fixed High Pass filter frequency start end can be selected freely between 400 Hz and 18000 Hz This is especially useful for the testing of full tone speakers and woofers Make use the filter frequency approximate 10 to 20 times the resonance frequency for Rub amp Buzz give the best results Gain The filter gain can be selected as 0 or 20 dB This can be useful if the signal level trough the filter is less than 70 dB Display When Ch A and Ch B or Ch D are using the same input and log mode are selected you can display the result o
50. ible to enter the run or setup mode before a new calibration is done in global setup 147
51. ion Zoom Out View all channels Key Page Down has same function Print Print curves on selected printer Print Setup Select printer and settings 93 Statistical mode 2 P730 Utility Process Statistical Data Functions Replace Select Zoom M Start M End M Reset Ext 20 aby 100 20 Hz 20000 20 aby 100 20 Hz 20000 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Fast Fast Cursor is 10 times faster than normal Normal Disable the cursor Zoom In Enlarge display at selected channel Key Page Up has same function Zoom Out View all channels Key Page Down has same function Replace Replace selected limit curve with listed data M Start Set start marker for part replacement 94 M End Set end maker for part replacement If start and end maker are present and you make use of the Replacement the replacement is only performed between the markers M Reset Reset markers Print Print curves on selected printer Print Setup Select printer and settings Note If the scale of the display is changed from the standard setup and you want to make use of a different scale setup you have to change the display scale before you store the data in the A4M_STAT DAT file It is not possible to change the scale later on The presentation is made exactly as it was
52. is is for connecting input 1 or 2 to output of an external power amplifier for calibration of input scale 2 A cable two banana plugs and a male XLR plug This is for connecting input 2 and an external sense resistor to enable impedance measurement 3 Furthermore 2 input adaptors are added to attenuate the XLR inputs 18 2 dB if input level is to high Input cable with a banana plug and a male XLR plug is not used if a USB preamplifier is connected to the UA 5 or UA 25 Recommended connections Balanced input Source Signal gt a Sierat 2 GND Source Jack Input A A Signal LI Tip GND Screen Use only Balanced input if Phantom power is used Single ended input Source Mid Ring Tip Screen Connection between UA 25 UA 5 and a power amplifier UA 25 output jack Power amplifier Tip Screen 20 Connections for impedance measurement Power amplifier Notes e Power amplifier must be none bridged 21 22 Software installation Install UA 5 files Use the UA 5 Driver CD ROM to install the UA 5 driver See the UA 5 getting started manual how to install the UA 5 driver Note Install the driver for each USB port Install UA 25 files Use the UA 25 Driver CD ROM to install the UA 25 driver See the UA 25 getting started manual how to install the UA 25 driver Note Install the driver for each USB port Install meM PIO files Note In newer systems
53. ivated the statistics for the first 40 different user codes is displayed optional P730 Run Statistics Results Functions A Type test Total test 4 Total Approved 4 100 00 Total Rejected O 0 00 Ch A test 0 0 00 Ch C test 0 0 00 2 Limit test D 0 00 Resonance test O 0 00 3 Limit test 0 0 00 Q test O 0 00 Sentivity test O 0 00 F test O 0 00 Polarity test 0 0 00 Ch B test 0 0 00 Ch D test O 0 00 v Print Print curves on selected printer Print Setup Select printer and settings 77 78 Utilities For better to manipulate with the reference and measuring data a collection of utilities can be selected under the utility menu You can select as standard five optional six different groups of utility functions Utility Select Convert Statistical Data Copy Reference Data Export Reference Data Import Reference Data Exit Utility A utility to process the stored data in the Statistical Data file default A4M_STAT DAT The file containing all measuring data stored in run mode if enabled in the global setup e A utility to convert data stored a DAT file to plain ASCII as input for spreadsheets e A group of utilities to transfer setup and reference data to and from your P730 systems e A group of utilities to export setups and reference data e A group of utilities to import setups and referen
54. just the sensitivity in channel 2 until the gain is 0 0 db Then is channel C calibrated Note the scale of channel depends of the selected Rs value Rs lt 0 1 LIN 0 50 ohm LOG 0 50 db Rs gt 0 1 lt 10 0 LIN 0 500 ohm LOG 10 60 db Rs gt 10 0 LIN 0 5000 ohm LOG 20 70 db 45 Delete amp exit Normally you only delete the reference data If so you just have to confirm to delete If compensation or a compress output curves are present you have to select Delete Parameters Delete Reference Data Delete all reference curve data Delete Compensation Curve This is only active if a compensation curve is present Delete only compensation curve data Delete Master Curve This is only active if a master curve is present Delete only master curve data To delete a master curve you have to enter your master password as stored in the file ALT4 M KEY Delete Master Compensation Curve Only active if a master and a master calibration compensation curve is present Delete only master calibration curve Delete Best Fit Curve This is only active if a best bit reference curve is present Delete only best bit reference curve The best fit reference curve is used together with the find function a utility function Delete Ch A input Correction Curve optional Only active if an input correction curve is present for channel A This delete only channel A input Correction Curve Delete Ch B input Correction Curve optional
55. k0 ohm 1 uf 63v 134 Appendix C Calibration without pre amplifier 135 136 Hardware Lay Out Normal use UA 25 Hardware schematic for a normally setup Input is here used for microphone and input 2 for impedance measurement Normally sequence for a setup and calibration for the system is following A For output main level setting Adjust and enter values in Global setup B Select or create a type setup Select wanted output level and adjust for wanted input level C Calibrate input scale and level by use of feedback calibration plug D For impedance measurement calibrate scale and level against a reference resistor 137 Hardware Lay Out Global setup UA 25 1 KHz 0 db Power Amplifier For main level setting the Global set up are used to generate a test signal on 1 KHz at a p730 output level on 0 db Adjustment are done with UA 25 or UA 5 output volume control and or on external output amplifier to generate wanted maximal output level This level adjustment is normally done for a first time setup Note if output level on UA 5 or external amplifier are changed this adjustment must be done When adjustments are done output level is controlled from p730 software In Global the Maximal output voltage measured with an rms voltmeter is entered On same way the value of used sense resistor Rs is entered 138 Hardware Lay Out Input gain adjustment UA 25 P730 SW After Global and maximal output h
56. lection of help file e 3 Limit function e Start and Stop frequencies e Delay time e Test points e Sweep time e Output level e Polarity test ON OFF e Polarity pulse time and pulse polarity POS NEG e Polarity pulse window setup e Inputs LIN LOG SPL setup e Set Input Scale e Active channels 1 4 e Sensitivity test ON OFF and test frequency e Move frequency test function ON OFF e Master and calibrations curve functions 14 e Storage of best fit curves e Filter types and functions e F resonance Q and F test setup e Auto save functions The manipulation reference functions contains e Measure loudspeaker unit system e Include reject results e Smoothen results e Reset curves And a comprehensive number of edit functions e Writing points of curve e Moving whole or part of curve e Tolerance curves to manipulate reference curves e Reset lower envelope e Reset selected envelope e Curve manipulation e Input level scale function not Pro e Gain adjust function for channel A e Manual power on output at cursor value With the zoom function it is possible to interchange between the channels A D on the screen when editing The edit functions can be operated by the cursor and or by the numeric keypad The type number of speaker setup can be up to 12 characters for storage of data and the corresponding memo field can be up to 26 characters long The number of different setup stored on hard disk is virtually
57. line or row format The line format is standard All records are converted as lines in a text file If the row format is selected all records are stored as rows However using row format the date and time codes are lost in the transfer Convert Data Text line Format Do you want to convert data to Line or Row format Row Exit In text files used for third party programs as spreadsheet a delimiter has to be used as or Finally a problem of too long strings can cause problems in some programs To solve such problems a selection of the maximum string length can be made 98 Convert Data Text string Format Text Delimit Line length Use Stardard C Use C Limited Line Length Standard In line mode None of the strings are broken down into minor parts A single string length for a reference curve can be up to 1775 charters long In row mode The number of rows is maximal 250 Number of lines are 8 channels points 3 Line Length Limited In line mode The maximum string length is 1 2 of length used as in the standard mode In row mode Number of row is maximal 125 Number of lines are 8 channels points 3 After all these selections have been made the conversion takes place you have to save the converted file Save Converted Data to File Save in Io P730 Picro efqe er File name A4DAT Save as type Data Files txt v Cancel J 99 100
58. lity functions to be used off line The manual consists of the following chapters Main menu Pw Mgr Spl menu Global menu Setup menu Run menu Utility menu Main Menu Main menu as showed is the entry point for the P730 Picro program From top bar you get the information of program name and serial number The Menu bar contains the Main and Version menus From Version menu you get information about program name version and serial number The Main menu has same functions as Toolbar below it except for the Pw Mgr Pass Word Manager and Spl submenu P730 Picro Pro Off Line Run Setup Giova Utility Exit Read 25 Pw Mer The Pass Word Manager control all passwords used in the Program With this Pass Word Manager password can be generated edited deleted and disabled All passwords are coded and saved on disk To manage this Pass Word Manager an administrator need to generate a unique administrator password to enter the Pass Word Manager First time the Pass Word Manager is entered following picture is shown Create Pass Word Code Enter Pass Word Code Min 6 Max 24 Char Oe Confirm Pass Word Code nn Ok Cancel A password for the administrator must be entered Minimum 6 characters and maximum 24 characters are allowed Only following characters are allowed Space 0 9 A Z and a z Then password is entered it must be confirmed Ok saves the passwo
59. mbers of passwords Edit password Highlight a password on the list by clicking by left mouse button Move the cursor to the edit field so the word in the edit field no longer is highlighted Edit the name and save the name on the list by CR Note the manager check for a name duplet If so the name cannot be saved twice 27 Delete password Highlight a password on the list by clicking by left mouse button Use the Delete or Backspace button to delete the password from the list Disable password To disable a password function mark the disable function right for the list name When asked for a password in the program you just need to hit a key no password New Master Code This calls the first time administrator password menu Spl Menu SPL Sensitivity Menu Input 1 38 1 dB re 1 Pa 12 50 my Pa Input 2 38 1 dBre1W Pa 1250 mW Pa The SPL Sensitivity Menu are only used is the scale in log mode is selected as SPL To get the correct Spl level on P730 Picro scale the program must know your sensitivity of the selected microphone To do this you enter the sensitivity of your microphone connected to a input channel You can ether enter the sensitivity in db with reference to 1V Pa without the minus sign or in mV Pa 28 Global Menu Global Menu Control Chain User key s Ext Amplifier Pre Amplifier MW External 1 0 On of M User ID Dutput Input Test signal Calibrate t
60. nd extract the found and accepted data to a file A4M_XTR DAT is default Process amp Extract amp Delete found Type Process and extract the data to a file and delete only the transferred data in the source file Found but not accepted missed data will be left in the source file allowing later separate processing of missed data Missed data is caused by mismatch in parameters as number of channels gain scale start end frequency and number of test points Copy Delete selected type to a File Copy and Delete selected type to a file Copies all data of the selected type to a separate file and deletes it from the source file Delete selected Type from Statistical File Delete the selected type from the selected Statistical Data file 82 To process the data a selection of criteria s can be selected Utility Record Select Number selection Start 00000000 En 99999999 Max count 64000 User Code selection Start End Max count Select field Number field Only Date selection Start 0000000000 Eri 1999999999 Max count 164000 Test results V Approved MV Rejected User test B 5 Cancel To select only a fraction of all stored data it is possible to select Number optional Date User Code optional Test results User test optional and Select the field Number selection optional If the serial numbers are present in the data file a selection of numbers to process can be selec
61. nel Def CID UP Page 5 9 LES EL E lt gt 2 3 ba Le is JL lt 4 gt INS Reset selected channel I CF CENT UP Page 5 9 LES Od lt gt 2 3 ca ESA D Es Set limits to half scale 40 dB from top 129 130 Appendix B Calibration Plug layout 131 132 Calibration Plug The calibration plug is used to calibrate the P730 Picro scale after the gain on the UA 5 has been set a desired level The adaptor can be used for input 1 and or 2 however only for signal inputs and NOT for impedance measurements Please follow the instruction on the dialog box 1k0 ohm 1 xlr pin 2 tf ih 10 ohm 1 xir pin 3 Ir pin 1 Calibration Plug IMPORTANT When you are using the Calibration Plug you must DISABLE the 48 Volt on the UA 25 or UA 25 front light off 133 Impedance Adaptor The Impedance Adaptor is used to measure the impedance To measure the impedance you need a sense resistor in serial connection with your speaker you want to test The size of this sense resistor must be last 10 times less your speaker impedance For an 8 ohm speaker an Rs value of 0 05 to 0 1 ohm is a nice choice In the dialog box example a calibrated test resistor of 10 0 ohm and RS of 0 1 ohm are used These resistors simulate the speaker The two 22 uF must be used if the 48 Volt on the UA 25 or UA 5 input have to be used 10k0 ohm 1 22uf 63v xlr pin 2 I in to sense resistor 2k0 ohm 1 xlr pin 3 10
62. ng Adjust and enter values in Global setup B Calibrate Pre Amplifier in Global setup C Select or create a type setup Select wanted output level and input gain 145 Hardware Lay Out Global setup UA 25 1 KHz 0 db Power Amplifier For main level setting the Global set up are used to generate a test signal on 1 KHz at a p730 output level on 0 db Adjustment are done with UA 25 or UA 5 output volume control and or on external output amplifier to generate wanted maximal output level This level adjustment is normally done for a first time setup Note if output level on UA 5 or external amplifier are changed this adjustment must be done When adjustments are done output level is controlled from p730 software In Global the Maximal output voltage measured with an rms voltmeter is entered On same way the value of used sense resistor Rs is entered 146 Hardware Lay Out Input gain adjustment Global setup UA 25 UA 5 UA 25 P730 SW i gt Reference generator After output have been set input level for input 1 and 2 must be set on the UA 25 UA 5 This is done in Global Menu by activating the Calibrate signal in the Pre Amplifier Turn the input sensitivity on input 1 and 2 so the readout is 0 0 dB When calibrated the P730 program fine adjust the sensitivity every time the run or setup mode is entered The p730 program fine adjust limit is 3 dB If changes in sensitivity are over this limit it is not poss
63. o y Cancel Record i T Password 1 Khz 0 db T Enabled ai T Lock On I Of Repeat By Rej Break Screen Voltage on Results I Enabled ERE Statistics Dutout at 0 dB EER ON v Include 14 0 Volt 2 All results Display Graph Graphic Scale Data Format aane an Di v I By Approve M Auto DBF 7 Reload I 0 10 Ohm MW By Reject Delay z 3 I Enabled RAR Reference Data C Results The Global Menu can be grouped into various functions of similar nature Control Chain Path Display Graph User Key s Store Screen Graphic Scale Ext Amplifier Pre Amplifier Control With this function only works in run mode you will be able to control the measurements in the production line process by use of the PC keyboard External I O As optional an external I O control can be added to the system If enabled start of test will be taken over by this external I O device At same test results of test will be enabled to the external I O port To activate this external I O function I O hardware must be connected and found by software and following line Pio ON must be present in the file alt4 hw cfg 29 Cancel Record If one of the Store Data or Store Results is on the Cancel Record function can be enabled This cancel function enables the Delete key in run mode The d
64. ocess Statistical Data Functions Data Cursor Save Select Find Exit Type dat Tot 134 No 98 Miss 4 20 aby 100 20 Hz 20000 20 dBV 100 20 Hz 20000 20 Hz 20000 20 aby 100 20 Hz 20000 50 Ohm Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Data Go back to previous menu Cursor Cursor function activates the cursor and enter the mode 2 from which replacement between the different data and reference curves can be done Save The function is a sub menu The save function allows to store the processed data to selected reference curves or as a totally new type Select The select is a sub menu It is possible to select the curves to display on screen as listed in this sub menu 91 Find With this function the user can find the best match of a data set to the average of the included data set or a Best fit reference A Best fit reference must be saved in the EDIT menu before processing the data with the statistics utility function This is done like the saving of a Reference Compensation or Master curve in the SAVE submenu A status will accordingly be shown in the SET UP OF PARAMETER screen picture for the Type The average or best fit selection criteria are set up in the MODE 1 submenu SELECT The user can s
65. oint to Point straight line With this function you can write a straight line between two points Move or write cursor to the starting point Activate the function by Set Line Start or pressing 5 Move or write cursor to the end point Note that the line change colour Activate again the function by Set Line End or pressing 5 A straight line between the two points is made Curve Convert Menu To go to Curve Convert Menu activate Functions Curve Convert use toolbar Convert or use shortcut key C Scale Window Menu To activate Scale Window Menu enter Functions Scale Window use toolbar Scale or shortcut key S Tolerance Curve Menu To enter tolerance curve menu activate Function s Tolerance Curve use toolbar T curve or use the shortcut key T Resonance test menu To enter resonance test sub menu enter Functions Resonance Test use toolbar R test or shortcut key R Gain adjust menu Use Functions Display gain adjust or toolbar Gain Adj to enter menu Polarity Window menu Polarity Window activates the Pulse polarity time window sub menu To activate menu enter Functions Polarity Window or use shortcut key W Power On Off Power on at cursor frequency value The output level is the setup level as measured To activate power on enter Functions Power On or Toolbar Power On
66. on the display to be converted When the desired action has been chosen a proper path for the output text file have to be selected Save Exported Data to File Save in JB 3 Floppy A ear File name A4export Save as type Data Files txt 7 Cancel 107 In text files used for third party programs as spreadsheet a delimiter has to separate the data Too long strings can cause problems in some programs To solve such problems a selection of the maximum string length can be made Convert Data Text string Format Text Delimit Line length Use Stardard C Use C Limited Line length Standard None of the strings are broken down into minor parts A single string length for a reference curve can be up to 1775 characters long Line Length Limited The maximum string length is 1 2 of the length used in the standard mode 108 Import Reference Data This function imports a setup from a text file format as generated by export reference data to TXT format If changes in the file have to be made or lines have been added it is the user s responsibility to check that the changes does not cause the system to hang or terminate However if changes are done properly with valid numbers and line format it should work fine First the input file name has to be specified Normally the input file name is the output file as exported A4EXPORT TXT Open File to Import Look in JB 3 Floppy A me
67. only The Password is stored in the AASTAT U KEY file To change or make a new password you have to make the changes in this file The Lock function enable disable the block of adjustment of compensation curve in run mode If Lock is active a compensation curve cannot be accepted if limit change exceed 6 db in run mode Store Data You will be able to store the measure data only in run mode of the test for approved rejected or for all tests in file A4M_ STAT DAT Valid modes for both approved and rejected are OFF The actual function disabled ON The actual function activated AUT Store data as saved in actual type setup See Auto Save functions in setup Results You will be able to store all test results only in run mode This is for further post processing analysis and you will be able to store in either ASCII format or in dBase format The file A4STAT DBF or A4STAT TXT is self creating The formats are described in the README DOC file Valid modes are OFF The actual function disabled ON The actual function activated AUT Store test results as saved in actual type setup See Auto Save functions in setup NOTE Data to files in store data and store statistics are appended To avoid a disk full message remove files A4M_STAT DAT A4STAT TXT and A4STAT DBF by copying and deleting files frequently or if not used simply by deleting the files 31 Screen By selecting this option you will be able to see the stati
68. ove 1000 Hz r Polarity Test On Pulse Time Output 4 6895 vol 350 yp 0 de 14 0 Yolt Sweep Start 20 Hz Stop 20000 Hz Delay 0 mSec 250 No Time 5 0 Sec Auto Save I Data App Data Path fe gt Result Path Points l DataRei Results Input Status Y Cha M ChB Input Detector Loo EN Log EN A Gain Smoothing Lor ia Lor E M ChC V ChD ent Lac Status Y ChB M ChD Type Har Freq Gain a ca Display The setup of parameters screen consists of the following main items 36 Type Auto Save Sweep Output Sensitivity Test Polarity Test Input Filter Type Name Select the new Name of the setup to change and copy into a new type If no new type is entered any changes will be done on the existing type name Description Enter a test description of the selected setup Chain Input an existing type as chain The chain test type is carried out after this test setup in the run mode Care must be taken NOT to chain a previous type used in the chain This will result in an infinite loop To use the chain function the following must be completed 1 Chain in global parameters must be ON 2 The chain type must be an existing valid type Help File When entering a test setup in the menu the user will be presented with a request for user defined Help text description relating to the Type The fil
69. play by 10 dB Display range up Range Down Increase the display by 10 dB Display range down Window Up Move selected window up Window Down Move selected window down Print Print curves on selected printer Print Setup Select printer and settings 58 Tolerance curve menu Normally you have a number of different test setups however when you analyse the setups you have different reference curves But the tolerance levels are almost the same for example 2 dB The tolerance curve is the standard tolerance from a straight line around the middle measure range How to use of tolerance curve a Make a measurement Include data Go to tolerance curve Load a tolerance curve Add the tolerance curve Edit reference curve if necessary How to make a tolerance curve b Reset channel A to middle position Ctrl Home Make the tolerance curve Store the tolerance curve P730 Edit Tolerance Mode Functions Add Load Save Delete Exit 20000 20 Hz Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Add Add the tolerance curve to the upper and lower limit Add2 Add the tolerance curve to the 2 upper and 2 lower limit This only for channel A and 3 limit is enabled Add3 Add the tolerance curve to the 3 upper and 3 lower limit This only for channel A and 3 limit is enabled Load Lo
70. rd IMPORTANT after the password is saved it is NOT possible to read the word Remember the word or write it down and save it on a safe location If the password is lost then reinstall the program Next time the Pass Word Manager is entered the administrator password must be used Create Pass Word Code Enter Pass Word Code Min 6 Max 24 Char Ok Cancel When the administrator password is entered correct following menu appear 26 Pass Word Manager Setup Pass Word Codes Min 4 Max 24 Char Set Up Edit menu I Disable een II p700 Master Curve I Disable AE master Global Menu I Disable pl en global User ID e idid User Adjust of Comp Curve Disable AE comp User Calibration Adjustment I Disable en I calibrate New Master Code Ok Cancel In the Pass Word manager Setup following password can be managed For parameter setup and change The setup password the Master curve password the Global Menu password and the user ID name Note the user ID is enabled from the Global menu Changed by user Scale Calibration Adjustment password and the Compensation curve adjustment password Note the user Compensation is enabled from the Global menu New password Enter the new password in the edit field top on the list Password length must be between 4 and 24 characters Add the new password to the list by CR the enter key There are almost no limit for nu
71. rd In the bottom line a date code and a serial number are displayed The date is the actual date code for the record If the record is stored in an old format the two last numbers is a sequential number if more than one record have the same date code else the two last numbers is seconds In this way no two records have the identical date code this only for the old format The format is month date year hour minute and seconds If the selected type number is present in the reference curve setup the displayed data is colour coded green for approved and red for rejected If the program cannot find the selected reference type all curves becomes red If the selected data type you want to process is stored in your reference base with a valid upper and lower limit the following menu appears 85 P730 Utility Process Statistical Data Functions Include Skip Back Results Exit Type test Tot 4 No 2 Miss 0 10 aby 90 dBR 0 20 Hz 20000 20 Hz 20000 Date 110203212530 Sn Sn 12345678 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Include Include current measurement to statistical data Skip Skip current measurement and go to next record Back Step one record back It is possible to step up 20 records back due to all 20 results as well as displays are stored temporally in a file Continue
72. recorded 95 96 Convert Statistical Data This function converts data types stored a DAT file default file name is A4M_STAT DAT to plain ASCII Open Statistical Data File Look in P730 Picro ee atm_stat File name a4m_stat Files of type P730 Data Files dat y Cancel 4 dA When selected file is opened a list of stored Types appears A selection of a single data Type can be selected or all listed data types listed on the screen by the Use All Listed function List Data File Use All Listed Cancel After to have selected types to convert a Data Field Select menu appears Here it is possible to select a part of selected type by entering start and end date 97 Statistical Data Date Field Select Selected Type test Start Date to Process 0000000000 End Date to Process 1999999999 Max Counts 65000 Al Cancel If a type which has been recorded with smoothing is selected you are prompted to select the data to be converted as recorded with smoothing or as the raw non smoothened data If however you select all types to be converted and there among these exist types with smoothened data all types will be converted just as recorded with or without the smoothening function Process Data The Data is recorded with AND without smoothing Processed selected Data as With Smoothing without Smoothing Furthermore it is possible to select
73. rker with Low You can use the fast cursor 0 High Mark Select the end maker for the window Move the cursor to the end time and set maker with High You can use the fast cursor 0 67 Reset Makers Reset the makers and set time lock out window off Print Print curves on selected printer Print Setup Select printer and settings 68 Run Speaker Tests Entering Run from the main menu will show you the available selection of speaker setups The screen will be almost the same as if you were editing type setups described in setup of testing characteristics Select a valid type by entering an existing type name P730 Run Mode Functions Runl View Stat A StatB Number Exit Type demo Description Chain a demo test key P 30 REJECTED Ge Mo Mo Gale MER Nos cHc 0 0 00 Go Mo Ms 2 L 0 0 3 L 0 0 so Mom Mom First Total 5 App 0 0 Rej 100 0 Rest Total 5 App 100 0 Rej 0 0 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Note The green approved label is for the last test all test together except the first Channel b shows a reject for the first test and approved for the rest test only if the chain function is activated 69 You will enter into the run mode where you will have the following options Run 1 Make a measurement This is only valid if control is Keyboard and system multiplexer is off This is
74. selected in the global setup The control is Keyboard View View the test result graphical Only necessary if Display Graph is disabled in global setup Else this function is automatically entered Exit View Exit View and enter the text result mode Cursor Cursor submenu First Only if chain is enabled and activated display first measurement Last Only if chain is enabled and activated display last measurement Reset Reset screen statistics Note Only possible before making the first measurement and only if the option is enabled in Setup of Global Parameters Delete Delete last statistics record if statistics or store data is enabled in the global setup The record is not removed but renamed to USERDELETED Note If a chain is used it is only the last displayed record that is marked for deletion Stat A Enter on screen statistics A if enabled in the global setup Stat B Enter on screen statistics B result statistics if enabled in the global setup 70 Number This function is optional The actual measurement displayed can be indicated by a serial number of 8 digits If activated the serial number is stored together with the measured data Store measured data must be ON in global setup If the chain function is activated you must enter the View and select the first or rest to enter a properly serial number for each test data If the chains have more than two tests in
75. stics on screen The number of cumulated approved and rejected tests are shown on the screen You can select to make analyse on all or only passed tests and you can reload previous statistics Graphics Scale With Auto scaling enabled you will maximise the screen representation depending on the number of active channels With the function OFF the screen will be split into four default segments even when you only are performing a single test in such case only using a quarter of the available screen Ext Amplifier External Amplifier is to setup of gain of the external power amplifier connected to the system Output A test signal of 1 KHz at selected output level on output if on Set the output level to 0 dB Then adjust the voltage of the external power amplifier to desired maximal voltage level Enter the value in Volt This tell the P730 actual reference at 0 db output level Rs Rs are the value of the external sense resistor First time setup First time P730 is used together with an external power amplifier the maximal output level must be adjusted to wanted level Connect your power amplifier to the UA 25 or UA 5 output Enter the P730 program on Global Menu Turn the 1 KHz signal on 1 KHz 0 db This turn on the output at 0 db level with a maximal output level Now adjust the output level on the UA 25 or UA 5 and or on your external power amplifier to maximal wanted output level Measure the level with an rms mul
76. ted A start number and an end number can be selected The maximum number of counts hits is 64000 Note if the data do not contain this information as older format the default is all 64000 Date selection Start and end date can be selected within data can be processed and maximum of counts hits Date format is MM DD YY hh mm Where MM is month DD is date YY is year hh is hour and mm is minutes The maximum number of counts hits is 64000 Code selection optional A user start and end code can be selected for the processed data The maximum number of counts hits is 64000 Note if the data do not contain this information as older format the default is all 64000 Test results It is possible to process the data by selecting the test results Selection can be approved rejected or all Note if the data do not contain this information as older format the default is all 83 User test Optional It is possible to process the data by selecting the user test results results forced by operator Selection can be approved rejected or all Note if the data do not contain this information as older format the default is all Select field By default all data is processed this to process old format of the data files However it is possible only to select new data format records containing the number selection field It is possible to select only a single channel if more than one channel is present If all
77. tering Functions pub up menu or the short key shown in pup up menu Upper gt Data Convert upper reference curve to data curve on selected channel Lower gt Data Convert lower reference curve to data curve on selected channel Data gt Upper Convert data curve to upper reference curve on selected channel Data gt Lower Convert data curve to lower reference curve on selected channel Data Upper gt Data Data minus upper reference curves added a half scale stored in data curve Data Lower gt Data Data minus lower reference curves added a half scale stored in data curve 55 Upper Data gt Data Upper reference plus data curves minus a half scale stored in data curve Lower Data gt Data Lower reference plus data curves minus a half scale stored in data curve Print Print curves on selected printer Print Setup Select printer and settings 56 Scale window menu The display has a range in Log mode of 80 dB By changing the display scale you can display up to 10 dB for full scale 80 dB 10 dB give max 8 windows you can select For channel C you have a range of 50 dB and can select max 5 windows P730 Edit Scale Window mode OE Functions Fuga Up Range Down Window Up Window Down Exit 20 Hz 20000 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu Range Up Decrease the dis
78. the USB PIO replace the meM PIO Use the meM PIO CD ROM to install the meM PIO USB driver Install the ActiveX Controls for meM PIO Install this by running the setup from the meM PIO CD Then select the meM Devices Then select meM PIO USB Interface and run meM PIO ActiveX Control Setup Install USB PIO files Use the Nextview CD ROM to install the USB PIO USB driver Select Products Then select USB PIO Install the BMCM DR drivers Install the activeX Controls for USB PIO by installing the STR meM program Note the program installs the drivers and activeX for all your USB ports on same time Install P730 files Use the P730 program media to install the P730 software If not your PC auto run installation select the program media and run Setup and follow the instructions on the screen Install USB key driver First you run the P730 program with the USB key mounted you are asked to install the USB key driver The driver file is located on the P730 CD together the installation program 23 24 Software User Section This section describes how the P730 Picro software is used to properly setup and carry out speaker tests It consists of an overall setup of global parameters mostly to be used by a fairly unskilled operator during production A more detailed setup of test parameters and characteristics only to be used by a skilled technician and production runs to be performed by an operator and a set of uti
79. the chain you can only add a serial number to the first and last sat of data U code This function is optional This allows the user to give the actual set of data a user code 0 999 This a useful function to add a user reject code to the actual test If you start a measurement all the tests according to the setup and tolerances in the type setup will be carried out Depending on the setup in the global parameters you will see the results colour coded in text mode approved rejected or colour coded in graphics mode If you use the chain mode chain must be selected in global setup and use of a valid chain name in your selected type two rows of results appears The first row and numbers are the results for the first test in the chain The second row and numbers are for the entire rest test in the chain lumped together However if you only have two tests in the chain the second row is the results for the second test only The text will show you for each individual channel if it has been approved Green or rejected Red yellow for 3 limit if data outside 2 or 3 limit however still within reject limit 71 Cursor Submenu Navigation is performed equivalent to the Edit mode in the setup of reference parameters described in setup of testing characteristics In run mode you cannot change parameters as in Edit mode P730 Run Cursor Mode DER Functions Display Move Zoom Power Exit
80. timeter with no load on the power amplifier When the maximal level is adjusted the actual measured value must be entered in the Ext Amplifier Volt field in Global Menu Do this by place the cursor on the Volt field and enter the actual value by keyboard Note the default value is 15 0 volt If a sense resistor is used to measure the current for the impedance measurement the correct value of the Rs must enter in the Rs field Note the default value is 0 10 ohm 32 Pre Amplifier As optional a USB gain controlled Pre amplifier can be added to the P730 Picro Pro system This Pre amplifier has an External I O build in To activate the Pre amplifier and the I O following lines must be added to the file alt4 hw cfg Pio ON Pre ON Input Calibrate A test signal of approx 1 KHz is applied to each input to enable a correct adjustment of input sensitivity controls Adjust the sensitivity to 0 0 dB or close as possible After calibration the P730 software remember the level and when entering the run mode or reference mode this level is checked If the level of calibration is different from the last calibrated level the program will automatic make adjustment for level change is the totally change is less than 3 dB If the change is higher than this level the program deny entering selected menu A recalibration is necessary in global menu before continuing 33 34 Setup Before you can run a speaker test you have to configure
81. tput Correction optional Save channel A as an output correction curve upper limit is converted into correction curve The output correction curve is used to out compensate the power amplifier frequency response Connect a passive voltage divider from the power amplifier output to input 1 Make a sweep include data and save as output correction curve The output correction curve will be active in all type of setups Note Full scale voltage of any input channel is 0 775 Vrms 50 Reference submenu Edit mode Here you can edit the tolerance band for the different channels The cursor will start in the upper left window Ch A Upper In the upper right corner the present cursor values are shown P730 Edit Mode CER Functions Display Move Set Reset Edit Points Convert Scale T cuwve Retest Gain Adj Pollim Power On Exit Ch A Upper SERES 20 Hz 20000 20 Hz 20000 Left Arrow Move the cursor to the left Right Arrow Move the cursor to the right Up Arrow Move cursor up to next curve on the selected channel Down Arrow Move cursor down to next curve on the selected channel 51 Fast Cursor You can activate and toggle the fast cursor 10 times faster by pressing the 0 key or in Move menu use the Fast Normal function Page Up Page up key or the Display Zoom In will blow the selected channel up to full screen If this function already is active the screen
82. ub test If resonance test or loudness test is enabled you have information in the form f y a bx a is the average b is the slope Last measured value Variance of a Correlation of result Note If b is 0 the correlation coefficient will be 0 Numbers of tests in analyze P730 Run Statistics Functions fiy a bx last a b var corr no s Z f res 57 0 57 0 0 00 0 00 0 0 4 res val 27 0 27 0 0 00 0 00 0 0 4 Z f min 279 0 279 0 0 00 0 00 0 0 4 min val 13 6 13 6 0 00 0 00 0 0 4 Q val 3 0 3 0 0 00 0 00 0 0 4 F val 19 3 19 3 0 00 0 00 0 0 4 Ready NUM Functions can be activated by toolbar by entering Functions pub up menu or the short key shown in pup up menu If you use the chain mode chain must be selected in global setup and use of a valid chain name in your selected Type two pages of results are presented The first page is the statistics for the first test in the chain and the second page is for the remainder of the tests lumped together First Select first type data 75 Last Select last type data If more than 2 tests in chain impendence channel is only from the last else approved and rejected data from all types lumped together except the first Print Print curves on selected printer Print Setup Select printer and settings 76 Stat B Results amp Distribution This menu shows the statistics and test results for the actual test type If the user code is act
83. ve amp write whole curve pixel s up 3 Move amp write whole curve pixel s down 5 Write a straight line between two points CTL e Write curve left keep envelope CTL gt Write curve right keep envelope CTL Page Down Set lower limit to zero on selected channel CTL End Reset selected channel CTL Home Set limits to half scale 40 dB down 119 ef UU Page a a LIES ES E 4 5 6 HS 2 3 Maz 120 CTRL D 4 INS Common edit and write keyboard layout CTRL Cursor Select amp Display Functions enlarge channel view all channels Page UP END Page 0 9 DOWN leo un 4 5 6 lt gt next curve ES a ES a DN TE ARL a7 cursor next curve A cursor left cursor right next channel 121 BEE SE UP Page 3 9 LES LIE es lt gt 2 3 EHZ CTRL 0 Move cursor left LES DOO UP Page 3 9 da DOGE lt gt 2 3 Ge CTRL 0 Move cursor right LJ LES LUI UP Page 3 9 LEE EA lt gt 2 3 a LIe CTRL 0 e IL Select next curve step up 122 Def CID UP Page 5 9 LES ORTA lt gt 2 3 ma e lt Il gt INS Select next curve step down ef OOo EE lt gt 2 3 Boa CTRL Be dl Enable disable fast cursor Qe ULI UP Page 8 9 ee QUe lt gt 2 3 Mas I lt 4 gt gt INS Enlarge selected channel Page Up 123 124 VERBS HEI UP Page 8 9 LES
84. ve with the reference speaker As time goes your test parameters will change due to changes in microphone microphone position temperature mechanical changes in your test environment change in calibrations of the P730 etc etc To calibrate the system you make a new measurement with your reference speaker If you have differences then you must re calibrate Then you get the master calibrate curve After this is done all measurements will be corrected to your first measurement stored as master curve Set Input Scale not for Pro 44 To set input Scale and calibrate input sensitivity enters this menu Input 1 and input 2 automatic adjust to a correct scale after sensitivity control has been changed on UA 5 For input 2 if it is used for impedance measurement an adjustment for input sensitivity guide can be found here Set amp Calibrate Input To set a correct input gain and a correct scale do following steps 1 Measure amp Enter Output Yoltage at O db in Global menu 2 Set Output Voltage amp Gain at Input 1 to a correct level Frequency curve within first 10 db from display top 3 Set Gain at Input 2 to a correct level if used 4 Set Gain at input 2 if channel C is active to correct Ax Rx Calibrated load example 10 0 100 or 1000 ohm 5 Connect calibration plug to Input 1 and Calibrate if used 6 Connect calibration plug to Input 2 and Calibrate if used 7 Calibrate Channel C if used Calibrate Gain Cancel
85. wer frequency requires a longer sweep time than a sweep starting with a higher one Sweep time must be adjusted for best and more reliable Rub amp Buzz results 38 Output Volt Select the actual output level in Volt Move cursor to another field to see updated field The External Amplifier gain setup must be set in Global to ensure a correct output dB Select the actual output level in dB Maximal output is 0 dB max output defined in External Amplifier setup Move cursor to another field to see updated field Polarity Test On A mark at the on enable the polarity tests during at the start of a sweep Initial for using this test the time gate window has to be set up See Polarity Time Gate Submenu Pol lim in Edit Mode Negative Select polarity approved by a positive or negative signal The output pulse is always positive but you can select the polarity test to be approved as positive or negative Pulse Time Input the duration of the polarity pulse in milliseconds from 50 lt 3 mSec Sensitivity Test Move Selecting this feature you can move the entire frequency band This is only for channel A and in LOG mode and only during run mode If the frequency response follows the tolerance band but is outside the upper or lower limit the move function moves the measured data into limits If by doing so the frequency test then is approved the actual value of the moved curve is displayed If the move frequency curve is on the s
86. ype Date code 1 Sn 1 Date code 2 Sn 2 aa 110603204611 00000001 110603204622 00000002 aa 110603204627 00000701 110603204636 00000702 aa 110603204911 00000703 110603204927 00000045 An example of the match process is shown above Record with serial number 703 is matched with a record with serial number 45 Processed records not listed above are added to the notfound database 116 Appendix A Keyboard layout Edit Mode 117 118 Following commands are allowed in Edit Mode lt gt Y 0 Page Up Page Down H 4 6 8 9 3 5 C S T P R G W CTL lt gt Page Down End Home C S T R G are submenus C Curve Convert menu S Scale Window menu T Tolerance Curve menu R Resonance Test menu G Display Gain menu W Polarity Window menu H P is utility functions H Display compensations curve if present P Set power on output at cursor selected frequency es Mal 0 PgU PgD are cursor select and display functions Move cursor left gt Move cursor right Te Select next curve up de Select next curve down 0 Enable disable fast cursor Page Up Enlarge selected channel Page Up Page Down View all channels Page Down Select next channel as active channel 4 6 8 2 9 3 5 CTL gt Page Down End Home are write curve and pixel functions 4 Write pixel s to left 6 Write pixel s to right 8 Write pixel s up 2 Write pixel s down 9 Mo

p500 ver 2.0 user manual

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