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User manual for PROMAX

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1. April 2015 12 z The TILT operating mode shows on the display both graphically and numerically the level difference between any four frequencies previously defined as pilot channels in order to obtain information about band equalisation This function can be applied to the forward band and to the return path independently This is a multifunctional key For one hand it measures the HUM frequency and value HUM is a low frequency modulation that affects carriers and produces a characteristic buzzing in both image and audio especially in analogue signals On another hand it automatically identifies the voltage type DC or AC at the input and the frequency in case of alternating voltage Access the CONFIGURATION parameters for the selected function and the global parameters for the equipment more details in the next section 3 9 12 gt Navegation To access any operating mode simply press the corresponding key The parameters relative to a particular operating mode can be modified through the configuration menu associated to the mode In order to access the configuration menu associated to a particular operating mode simply press the oe key Some modes have more than one aaia page to access to the second page it is necessary to press the key again The general parameters of configuration selecting editing the channel plan measurement units language etc can be changed through the Global Configur
2. A F male base connector KAAX PROMAX 12 APs EE EE ra GSdA nn CCIR Graphic display e wp es 4 6 QAM d DNB x s d SR 6 875 with backlight se FEBER SIE k s d BER V 1E 9 b e ba a d MER 44 dB ANALYSER DC power adapter external input Rotary selector Push button Volume control m Keyboard for function selection H FR SCAN a Var Status LEDs M E Hum EF CHARGE Loudspeaker Mini USB connector Figure 2 2 6 April 2015 12 Keyboard April 2015 O CH FR SCAN TILT 4 LOGGER B CONFIG MI SPECT fo Je lt sl VRF 8 CHARGE dd D Figure 3 CHER Selects the CHANNEL FREQUENCY operating mode Selects the SCAN operating mode Selects the TI LT operating mode J Selects the DATALOGGER operating mode On Off key Selects the SPECTRUM ANALYSER operating mode Access to CONFI GURATION menus specific to each operating mode and to the global configuration menu of the unit Vrr Indicator of measured voltaje at the input O CHARGE Battery charge indicator Selects the HUM operating mode 2 7 12 a 3 1 Operating instructions and Navigation Operating Modes 3 8 The PROM AX 12 has the following independent operating modes It changes between frequency tuning and channel tuning The operating mode measures the video carrier level the Carrier Noise ratio C
3. The options available on the Configuration menu in the DIGITAL measurement mode are next DIG FR CONFIG 172 FREQ MODE DIG FREG STEP Q 25 MHz CHANHEL BL O 4 MH2 NOISE FREG 1548 be MH2 NOISE MODE FRE Figure 36 Digital Configuration Screen 1 2 gt Freq Mode gt Freq Step gt Channel BW gt Noise Freq April 2015 It allows you to change the measurement signal among ANL Analogue DIG digital and LEV Power Level It allows you to change the step of frequency This is put into practice when you are using the rotary knob to change frequency It allows you to change the channel bandwidth It allows you to change the noise frequency 12 gt Noise mode In this mode there are three options AF frequency offset BW 2 half the bandwidth FREQ noise frequency Press CONFIG 99 again to the next page 2 2 DIG FR COME IG Z SYSTEM L MODULAT LON QAM p d STMBOL RATE 6 oro AT TH AUTO AURDEANT ALL Figure 37 Digital frequency configuration 2 2 System Compression system used Possible values are DVB C ITU J83 B or ITU J83 C also available DVB T COFDM option under request Modulation It is the modulation used Selectable values are QPSK QAM 16 QAM 32 QAM 64 QAM 128 and QAM 256 gt Symbol Rate It is the rate of symbols sent The range is from 1000 to 7000 gt Attenuation User can select attenuation between auto or manual values between 0 a
4. especiallv in analogue signals To access this mode press the HUM key frequency for alternating and the HUM percentage The HUM value up to 2 is considered acceptable Above this value is not acceptable and it should take appropriate countermeasures 156 s MH2 CCIR LEVEL 28 dByul LITH 141 56 Hz HUM 2 Figure 49 HUM operating mode Pressing the rotary knob user can change the tuning by frequency or channel By turning the rotary knob the channel or frequency changes April 2015 3 47 12 lt a 3 7 1 E Hum Configuration mode In the HUM mode when pressing the CONFIG key come it gives access to the first page of the configuration menu with the parameters related to this mode COMF IG HUM 1 1 UPERRT HODE bake Figure 50 HUM Configuration To access the different configurable parameters just turn the rotary knob and once the field you want to change appears shaded press the rotary knob then turning it it will be possible to change its value Finally press it again to validate the new value The parameters shown are Mode of Operation It allows the user to select the carrier to detect HUM It may be the audio carrier the main carrier or the digital signal By default is selected the audio carrier To exit the HUM configuration menu press any mode key 3 48 April 2015 12 a 3 8 DATALOGGER operating mode The LOGGER function permits to automatically measure the level the Carr
5. in a single screen the signal level of all the active channels in the channel plan by means of a bar graph In addition the exact level of any particular channel may be measured by simply placing the marker over it the measurement is calibrated only for analogue channels for digital channels refer to the note at the end of the section To access this mode of operation you should press the SCAN key At first the field channel C44 in the figure will appear shaded indicating that is selected and modifiable Next to the channel it appears the frequency 655 25 MHz in the figure and the level 65 dBuV in the figure of the channel C where the marker is pointing The marker is moved by using the rotary knob April 2015 Full span CCIR 856 Figure 8 SCAN mode full span To change the span bandwidth represented on the screen first select it by pressing the rotary knob until you see the sp shade at the middle bottom of N the screen Then turn the rotary knob 7 If you rotate clockwise the span will increase and if you rotate anti RBG at it will decrease Span can acquire the following values 10 30 100 300 MHz and full span Lda Gaa Zaz 63dBu CR 745 Figure 9 SCAN mode span 100 MHz 9 z B When pressing again on the rotary knob the field level of reference will be selected It is the maximum level of the vertical axis of the chart Bv turning the G rotary knob clockwise it will increase and if you
6. FM or AM is activated a speaker appears or not the speaker does not appear To change the audio carrier offset F and the audio modulation Level FM or AM access to the Channel Frequency configuration menu Ceo H Z5HHZ CCIR AUDIO Carrier 64 gdBul U A l dB 4 SF 5 56 MHz I Se Se a ve 27H d 68 58 188 128 Figure 16 Audio demodulation and measurement 3 4 1 3 Distortion products measurement analogue channels The active devices present in the distribution systems when working in its non linear zone generate interfering signals called distortion products that can fall within the video bandwidth From a certain level this interference becomes visible on the TV image The distortion products of greater level and which usually fall within the channel bandwidth are those of second and third order beats The CSO distortion Composite Second Order is defined as a ratio of the peak level of the video carrier to the peak of the distortion products of second order beat produced by the rest of channels The ratio is expressed in dB and can be resembled to a C N measurement as it is desired to be maximum Similarly the CTB Composite Triple Beat is defined as a ratio of the peak level of the video carrier to the peak of distortion products of third order beat which show up at the same frequency as the video carrier In order to obtain these measurements the carriers of the channel plan that is desired to tr
7. TO A COMPUTER ses es e Kee 4 53 April 2015 12 5 CONTROL SOFTWARE PROMAX 12 e eennennnnnknnnnnnnnnee rna nee 5 54 5 1 Software NNN ves ouarssiesteaereriaaeies 5 54 be ENN ssa a OO te Pa a eae 5 54 2 FANE UPON NE 5 55 5 4 Editing a channel plan or a channel plan group 6 eneennnnnnnznnnnnnz 5 56 5 9 DA NT ae 5 58 6 SPECI FI CATIONS LL ens nikkei 6 59 6 1 Specifications PROMAX 12 sse 6 59 7 MAINTENANCE 0 ssssuuovvvnnnnrrnrnnnnssrenrnnnnsvrerrnnnnevenrrnnnnuvenrrnnnevnenennnnevnnnnnnnen 7 65 7 1 Instructions for returning by mail e eeeeeennnenkennnnnnknknnnnnnnnnzznnnana 7 65 7 2 Method or maintenance Vaa ere erre 7 65 Ts TENT 7 65 7 4 Components which user can not replace 6 eeeeeennnnznnnnnnzennnnnnnzzz 7 66 7 4 1 Not replaceable fuses DY USEF uuavnannarnernnnnsennernnnnevnnernennunnnrrannnuure 7 66 ANNEX 1 OP 012 0 DVB T COFDM option sx x x x x x e x e x e x e x e x e e eee 1 ANNEX 2 CARRIER NOISE RATIO MEASUREMENT CN nn 4 April 2015 12 CABLE TV ANALYSER PROMAX 12 The PROMAX 12 is a multi functional equipment perfect for the telecommunication installer since it integrates several functions Level Meter Datalogger Scan Tilt Spectrum Analyser measurement and type of voltage AC DC detection HUM and Cable Digital Analyser which makes it an excellent tool for the installation and maintenance of analogue and digital television signal reception distribution systems working in
8. displays the FR CONFIG 1 2 screen In the MODO FREQ option select DIG Press again the CONFI G ars key It displays the FR CONFIG 2 2 In the SYSTEM option select DVB T ICH FR Press again the CH FR key to come back to Input Channel Power screen April 2014 1 12 A1 3 IB DVB T COFDM signal measurement In this mode you can make two types of measurements To switch between them you must press once or twice the rotary knob The measurements are Input Channel Power To access this measurement press CH FR EN key and select a channel or frequency to measure To switch between channel tuning and frequency tuning press the CH FR S key This mode shows the power level of the input channel It is represented by a bar graph and in numeric value It also measures the C N ratio carrier noise ce2 CCIR CHANNEL POWER idByv BW 9 1MHz CeN 27d6 INTEGRATING bo Figure Al Constellation Diagram To access this measurement from the Input Channel Power screen press once the rotary knob To come back to the Input Channel Power screen press twice the rotary knob In this mode is shown the Constellation Diagram of the tuned signal and other related measures Guard interval G Carriers C Code Rate CR Carriers modulation type 2 April 2015 12 a VBER Error rate obtained for the Pre BER digital signal BER before FEC CBER Error rate obtained
9. instrument click the button Receive All In order to set up your printer click on Print Setup In order to print one or more loggers click on the column Print until Y Yes at the logger s row you want to print Then click on the Print Loggers to print the selected loggers April 2015 12 AN 6 1 Specifications PROMAX 12 TUNING Tuning range Tuning mode Channel plan Resolution I ndication Channel frequency offset From 5 to 1005 MHz By channels or by frequency 10 channel plans each one with a maximum of 140 channels Factory start up channel plans CCIR EIA OIRL HRC IRC UK AUNA ST2L AUST ONO 10 kHz Graphic LCD with back lighting 2 MHz 10 kHz resolution POWER LEVEL MEASUREMENT Full Band Measuring range Bandwidth Resolution Accuracy LEVEL MEASUREMENT Measurement Analogue channels Digital channels Measuring range Analogue channels Digital channels Maximum input level From 5 to 1005 MHz DC to 60 Hz From 70 to 120 dBuV From 10 dBmV to 60 dBmv 271 From 5 to 1005 MHz 1 dB 3 dB From 5 to 40 C Video carrier level measurement Power measurement in the channel bandwidth by integration method From 25 to 120 dBuV From 35 dBmvV to 60 dBmv From 35 to 120 dBuV From 25 dBmV to 60 dBmV channels of 8 MHz 120 dBuV 60 dBmV 60 V DC or RMS Under request carried out at the factory See option OP 010 61 Becau
10. lower part of the display it is shown the 4 measures made for the estimation of the CSO value e If the rotary selector is pressed again the unit will return to the measurement screen of the video carrier V A C N April 2015 3 23 12 p 3 4 1 4 i Measurement of DVB C DVB T DAB digital channels When the tuned channel has been defined as digital by means of the Edit Channel Plan function see section 4 2 1 Global Configuration Menu a screen as shown in the attached figure will appear This screen shows the digital CHANNEL POWER together with its related channel bandwidth BW and_ the Carrier Noise ratio C N At the bottom of the screen as in the case of analogue channels a bar graph represents the channel power with a resolution of 1 dB Bl 7 BMH2 Che 284B DIGITAL CHANNEL da 68 80 188 120 Figure 19 Measuring a digital channel In order to measure digital channels correctly previously the channel must be defined as digital see Edit Channel Plan function at section 4 2 1 Global Configuration menu and if necessary the CHANNEL BW parameter should be redefined by means of the Channel Frequency configuration menu When a channel has been defined as digital the equipment tunes it at its central frequency April 2015 12 fa Digital channels power measurement is carried out by means of an integration method The equipment divides the bandwidth of the channel CHANNEL BW in
11. may be changed and their values range are shown in the following table The parameters are different depending on the channel whether it is digital or analogue To define a CHANNEL as DIGITAL or ANALOGUE you should go to the EDIT CHANNEL option that is in the GLOBAL CONFIGURATI ON menu April 2015 3 27 12 lt a To access the second page of the GLOBAL CONFIGURATION screen press again the CONFIG key Fig 24 DIG CH CONF IG 272 C21 47 4 B MH2 CCIR SYSTEM MODULAT ION QAM 64 SYMBOL RATE B oro ATTN AUTO QUADRANT ALL Figura 24 Digital Channel Configuration 2 2 e To change a parameter value turn the rotary selector until the field is activated it will appear shaded and then press the rotarv selector the value of the parameter will be activated and vou will be able to change it bv turning the rotarv selector When the value vou want appears press the rotarv selector to validate it Numeric fields such as FREQ AUDIO are edited digit bv digit starting from the lowest weight digit CONFIGURATION parameters of ANALOGUE CHANNELS in CHANNEL TUNI NG mode DESCRIPTION PARAMETERS VALUES gt Audio Modulation AUDIO MODE FM Audio FM AM Audio AM LV The loudspeaker emits a tone whose frequency varies according to the received signal level OFF Audio deactivation 3 28 April 2015 12 t CONFIGURATION parameters of DIGITAL CHANNELS in CHANNEL TUNING mode DESCRIPTION PA
12. new value will be able to be defined Finally to validate the new state press the rotary selector e again The first page of the global configuration menu permits to modifv the following parameters gt CHANNEL PLAN It allows you to choose the active channel plan between the 10 channel plans that unit can store CCIR EIA OIRL FCC etc gt EDIT CHANNEL PLAN Refer to next section Edit Channel Plan gt UNITS The equipment allows the user to select the level units among dBmV dBuV and dBm gt TIME To enter the time select the TIME field and press the rotary selector Firstly turn the rotary selector to change the minutes field Next press the selector again to modify the hours and finally press it once again to confirm the new time April 2015 3 11 12 fa gt DATE To enter the date select the DATE field and press the rotary selector First change the year field then the month and finally the day The parameters which may be modified on the second page of the global configuration menu of the unit are as follows GLOBAL CONE IG 2 BEEF LANGUAGE EHGL ISH BATTERY iE BER RESOLUTION LOL Sl Version 1 16 Figure 6 Global Config 2 2 gt AUTO POWER OFF This field permits to activate ON or deactivate OFF the POWER OFF function When this function is ON the unit automatically turns off when it has remained inactive for a period of 10 minutes gt BEEP This function permits t
13. sections of 230 kHz 4 by each MHz approximately and measures the contribution of each one to the total power of the channel This way a very exact mea surement is obtained specially in the case of degraded channels because the channel flatness is had in consideration The and 230 kHz p i f l l f 7 i BW CANAL CHANNEL BW BP CANAL Figure 20 Measuring the power of a digital channel by integration C N ratio measurement shows the ratio between the digital channel power the noise power The user can define the frequency where the noise power must be measured Two possibilities exist gt April 2015 Absolute method Selecting in the Channel Frequency configuration menu the NOISE MODE parameter as FREQ the equipment will interpret the NOISE FREQ value as the frequency where the noise power measurement must be done Naturally the user must be sure that the NOISE FREQ value corresponds with a free channel Relative method Selecting in the Channel Frequency configuration menu the NOISE MODE parameter as AF the unit will make the measurement of noise at the frequency obtained to add to the tuning frequency channel central frequency the value defined for the NOISE FREQ parameter The equipment takes by default NOISE FREQ BW 2 0 5 MHz where BW is the channel bandwidth defined in the channel plan thus for example if it is desired to measure the C N ratio of a digital channel wi
14. 015 3 29 R PROMAX 12 To exit the CHANEL FREQUENCY CONFIGURATION menu press the mode of operation to which you want to access 3 4 2 IS Frequency Tuning Pressing the CH FR ban key you can switch between tuning by channel or tuning by frequency and vice versa ce2 EEI CCIR CHANNEL POWER 2145001 BIJ 9 1MHe CH 274B INTEGRATING L 2 66 86 186 126 Figure 26 Frequency tuning To verify you are working on the Frequency Tuning mode check what field is shaded If the channel is shaded then you are working in Channel Tuning Mode If the frequency is shaded then you are working in Frequency Tuning Mode In the frequency tuning mode the instrument becomes a receiver with a resolution of 10 kHz within the band from 5 to 1005 MHz In this mode you can tune any signal within this band including leakage pilots or telephone and communications signals To change frequency turn the rotary knob y User can change the frequency step in the Configuration menu refer to Frequency tuning configuration The channel name appears at the left of the tuning frequency as long as it corresponds to an active channel 3 30 April 2015 12 There are three modes of frequency tuning measurements Level Mode Analogue Mode Digital Mode You can change the measurement mode from the Configuration menu see section Frequency Tuning Configuration 3 4 2 1 il Level Mode In the l
15. 15 72 ASPROMAX AN 7 1 Instructions for returning by mail Instruments returned for repair or calibration either within or outwit the guarantee period should be forwarded with the following information Name of the Company name of the contact person address telephone number receipt in the case of coverage under guarantee and a description of the problem or the service required 7 2 Method of maintenance The method of maintenance to be carried out by the user consists of cleaning the cover and changing the battery All other operations should be carried out by authorised agents or by personnel qualified in the servicing of instruments If the instrument does not respond to the controls for any unknown reason switch it off by pressing the disconnection key for a few seconds and then turn it on again 7 3 Cleaning the cover Do not use scented hydrocarbons or chlorized solvents Such products may attack the plastics used in the construction of the cover The cover should be cleaned by means of a light solution of detergent and water applied with a soft cloth Dry thoroughly before using the system again To clean the contacts use a dry cloth Do not use a wet or damp cloth Do not use for the cleaning of the front panel and particularly the viewfinders alcohol or its derivatives these products can attack the mechanical properties of the materials and diminish their useful time of life April 2015 7
16. 65 12 7 4 Components which user can not replace 7 4 1 E Not replaceable fuses by user F003 FUS 0 5 A T 125V F004 FUS 2 5 A T 125V F005 FUS 7 A T 125V 7 66 April 2015 12 A1 1 Description 000000 Digital Terrestrial Television signals use a very complex modulation scheme called COFDM Coherent Orthogonal Frequency Division Multiplexing COFDM technique divides the width of a television channel 7 or 8 MHz in many portions as many as thousands Each of those portions is occupied by a modulated carrier using 16 or 64 QAM like in digital cable TV DVB C Even though the symbol rate used by the individual carriers is small they are thousands in number and therefore the overall transmission capacity is enough to support various TV programs using the bandwidth of a single analogue channel Most DTT systems are based on 8K COFDM using almost 6817 carriers modulated at 16 or 64 QAM The DVB T COFDM option displays the constellation for those carriers forming the COFDM multiplex and also the measures related This option is available under request This option needs a specific hardware implementation for full operation Even if DVB T option is available in the equipment menu it will not work unless hardware changes are made If hardware is not installed then it will appear the message COFDM OPTION NOT INSTALLED A1 2 E Selecting the DVB T COFDM option Press the CH FR key Press the CONFI G key It
17. A 3 17 3 4 CHANNEL FREQUENCY operating mode ss es es e eee 3 18 L NNN TTT 3 20 3 4 1 1 Video carrier measurement analogue channels e eeenennnn 3 20 3 4 1 2 Audio carrier measurement analogue channels csseeceeseeeeeeees 3 21 3 4 1 3 Distortion products measurement analogue channels 05 3 21 3 4 1 4 Measurement of DVB C DVB T DAB digital channels 3 24 3 4 1 5 Constellation Diagram digital Channels e eneennnnnnnnnnnnnni 3 26 3 4 1 6 Channel tuning CONFIQUrATION es ex e x e x e x eee e e ee 3 27 3 4 2 Frequency Tuning sss ss sc ssc ss vec e s e c cs x e s enean 3 30 AL Level Mode TT 3 31 3 4 2 2 Analogue Model 3 31 3 4 2 3 Digital Mode rraaunnurnernannnnnennnannernennnnnnennernunnennnernannunnnrrunnnunee 3 33 3 4 2 4 Frequency tuning configuration L ennnnnnnnennnnnnnnn nn knnn nn 3 34 3 5 SPECTRUM ANALYSER operating mode css ce ce cx e e eee 3 38 3 5 1 Spectrum operating mode SPT suunarvannnannernnnnnernerrnennunnnrrannnunre 3 39 3 5 2 Max operating 00 RE NE ME 3 41 3 5 3 MN Ered 3 42 3 5 4 Spectrum analyser mode configuration ccc xe x x e ee x e ee K 3 43 55 TENNE 3 44 Boni ME ENN 3 45 S7 AUM ENN NG 3 47 L HUM CON ENN MOE Sveen 3 48 3 8 DATALOGGER operating mode rruurnerrannnunnnernannerenernnnnnunnnrrunnnunre 3 49 5 01 Datalogger lt cise s Te xciiwevwsiaccescicsendeusecdwesnudtuatemascerwawes senate 3 51 4 CONNECTION
18. Hz SPT 658 B NMH2 SrdBul REER PEN Figure 39 SPECT mode span reduction April 2015 3 39 12 e Sr By pressing the rotary selector again the reference level may be modified SPT 650 MH2 S7dBUL 642 56 sp 15 HHS 657 58 Figure 40 Reference level setting e Pressing the rotary selector a second time will activate the tuning frequency field of the marker being possible to tune new frequencies The attached figure shows an horizontal line at 45 dBuV This line allows to identify levels over a reference of our interest easily The activation and definition of this reference line is carried out on the spectrum analyser configuration menu SPT 65 MHe S dBul 642 56 sp r 15 MHz 657 568 Figure 41 Reference line 3 40 April 2015 12 z 3 5 2 E Max operating mode The SPECTRUM operating mode also permits to be configured as maximum hold MAXIMUM INGRESS This option is selected on the Spectrum Configuration menu In the MAX mode the equipment holds on the screen the maximum measured level through a dotted line Figure 42 MAX mode This measurement is used to be carried out on the return path and permits to detect intermittent interferences Since on this operation mode the equipment holds on the screen the maximum measured value through a dotted line after making several measurements over the band it will be possible to detect impulsive type interferences It i
19. MHz Span 5 MHz Span 1 MHz 6 62 12 Variable 10 30 100 300 MHz and full band from 5 to 1005 MHz according to the channel plan Variable from 60 to 120 dBuV in 10 dB steps Numerical and by level bar Forward 5 to 1005 MHz or Return path 5 to 80 MHz 4 per band From 5 to 1005 MHz 10 kHz From 1 to 1005 MHz 1 5 15 100 MHz full span Variable from 60 to 120 dBuV in 10 dB steps Forward 5 to 1005 MHz or Return path 5 to 80 MHz Peak or average 200 kHz 9 MHz 900 kHz 140 kHz 50 kHz 10 kHz 140 kHz 50 kHz 10 kHz April 2015 12 HUM HUM value from 2 to 10 Vo Accuracy 1 VOLTMETER Alternating Direct voltage automatic detection Measurement range Voltage 8 90 V Alternate 8 30 V Direct Accuracy 2 Alternating frequency 10 Hz 200 kHz Accuracy 2 AUDI O Demodulation AM FM LEVEL variable tone according to the signal level Output Internal speaker POWER SUPPLY Li lon Battery 7 4 V 2 2 Ah Battery Indication 4 charge levels on screen Low battery indication Graphic indication on the display E Autonomy Approximately 6 hours excepting measurements of MER BER Automatic power off Power off after 10 minutes of non use aprox Battery charge By fast internal charger Equipment consumption 12 W Mains to charger adapter AL 101B 100 V a 240 V AC 50 60 Hz 12 V DC ENVI RONMENTAL CONDITI ONS This equipment could be used on
20. N the Video Audio ratio V A and activates audio carrier demodulation for analogue channels For digital channels it measures the channel power and the Carrier Noise ratio C N the Bit Error rate BER and the Modulation Error ratio MER and represent the Constellation Diagram It also permits to measure the CSO and CTB intermodulation distortion The LOGGER operating mode enables multiple measurements to be performed and memorised for subsequent checking and transfer to PC It can perform and store up to 55 loggers in the memory Each logger carries out level C N V A channel power or MER measurements on the channels activated in the channel plan up to a maximum of 140 channels The SCAN operating mode shows the signal level of all channels present on the chosen frequency band in a bar graph display The span and the reference level may be selected through the rotary selector In addition a moving marker shows the numeric level of any specific channel This mode also allows the user to define the pilot channels used for the TILT measurement only in the forward band The SPECTRUM ANALYSER mode provides a spectrum analysis over the entire band in two parts return path or sub band 5 to 80 MHz and forward band 5 to 1005 MHz The span is user definable In addition it is possible to change the reference level and maximum and minimum levels may be detected and held for INGRESS measurements April 2015 TILT HUM CONFIG
21. ONFIG 1 2 The options available on the Configuration menu in the ANALOGUE measurement mode are next gt Freq Mode gt Freq Step gt Audio Mode It allows you to change the measurement signal among ANL Analogue DIG digital and LEV Power Level It allows you to change the step of frequency This is put into practice when you are using the rotary knob to change frequency There are four options to receive the audio signal LEVEL AM FM OFF In LEVEL mode the instrument beeps depending on the power input In AM mode you can listen to AM Amplitude Modulation radio signals In FM mode you can listen to FM Frequency Modulation radio signals In OFF mode the loudspeakers are off April 2015 72 Press CONFIG ASPROMAX again to the next page 2 2 AN FR CONFIG 2 2 CTE SHOWED LAS AF C51 l 54 MHz AF Csi Q 75 HHS AF LStl5 B 73 MHz AF Usb 1 58 MHz Figure 35 Analogue Configuration Screen 2 2 gt CTB Showed The CTB SHOWED parameter allows defining the method of measurement for the CTB IN CH within the channel is the Suitable method whenever the carrier of the channel in study can be turned off If it is not possible as approach any other channel free can be defined for the measurement of the CTB Parameters AFCSO1 AFCSO2 AFCSO3 and AFCS04 allow modifying the frequencies where the CSO is measured the equipment admits values from 2 50 MHz to 2 5 MHz
22. PROMAX 12 QAM ANALYSER PROMAX 12 n PROMAX c lt s gt S40 CCIR QAM 64 DUB SR 6 875 rBER lt 1E 9 BER 1E 9 MER 46 dB ALL MPEG20 6 e g K X e e e kK j mob a GAM ANALYSER es Ax PROMAX Read the user s manual before using the equipment mainly SAFETY RULES paragraph The symbol AN on the equipment means SEE USER S MANUAL In this manual may also appear as a Caution or Warning symbol WARNING AND CAUTION statements may appear in this manual to avoid injury hazard or damage to this product or other property Version Date FirmwareVersion v2 1 Change in voltage specification v2 0 New graphic in annex v2 0 Mistakes correction v2 0 Settings change system v2 0 Available option DVB T COFDM v1 2 Added ATTENUATION option in settings 12 A The safetv could not be assured if the instructions for use are not closelv followed Use this equipment connected only to devices or systems with their common at ground potential This equipment can be used in Over Voltage Category l installations and Pollution Degree 2 environments Use the mains adapter in Over Voltage Category II installations and Pollution Degree 1 environments It is for INDOOR USE When using some of the following accessories use only the specified ones to ensure safety Power adapter Mains cable Observe all specified ratings both of supply and measurement Use this instrument under the sp
23. RAMETER VALUES Digital channel bandwidth From 0 3 to 9 9 MHz 99 9 MHz relative mode 5 00 MHz to 863 00 MHz absolute mode Frequency where noise is measured in the C N measurement Noise measuring mode FREQ Absolute Noise level is measured at the frequency defined by NOISE FREQ AF Relative The value defined by NOISE FREQ is added to the tuning frequency BW 2 Relative It is measured at a frequency defined as half the bandwidth Svstem according to countrv SYSTEM DVB C ITU J83 B ITU J83 C DVB T QAM Modulation MODULATI ON 16 32 64 128 256 Symbol Rate SYMBOL RATE 1 000 to 7 000 Q1 Q2 Q3 Q4 Q1 Q2 Constellation Quadrant View QUADRANT Q3 Q4 ALL The CTB SHOWED parameter allows defining the method of measurement for the CTB IN CH within the channel is the suitable method whenever the carrier of the channel in study can be turned off If it is not possible as approach any other channel free can be defined for the measurement of the CTB CONF IG LH EKS 2 2 CTE SHOWED IN CH sFCSO1 1 54 MHz AF LU lt bD J MHz AF L 50 B 24 MHz AF CSO4 1 56 HHZ Figure 25 CH FR Configuration 2 2 Parameters AFCSO1 AFCS02 AFCS03 and AFCS04 allow you to modify the frequencies where the CSO is measured the equipment admits values from 0 5 to 2 50 and from 0 5 to 2 5 MHz These parameters are modified digit to digit beginning by the one of smaller weight April 2
24. an be obtained pressing the e rotarv selector The equipment after some seconds for calculation will show a screen like the one of the attached figure On it besides the Constellation diagram also appears the tvpe of QAM modulation the svmbol rate SR the error rate obtained for the digital signal Post BER measurement BER after FEC shown as BER Pre BER measurement BER before FEC shown as BER the modulation error ratio measurement MER the represented quadrants and the tvpe of detected codification 3 26 April 2015 12 fa fa When pressing again the rotary selector the equipment carries out a new measurement If the selector rotary is pressed twice you will access the screen of Power and C N ratio measurement again ThE geet SAG CCIR eee renee GAM 64 DUB ee K KA Sp 6 875 nett ed NN OBER 1E 9 tirEn dt pep 1E 9 Sh Rete Eee AF MER 446 dB Lx wre Cac x ALL MPEG U Figure 22 Constellation Diagram representation and Pre BER Post BER and MER measurement in a digital channel 3 4 1 6 ji Channel tuning configuration In CHANNEL FREQUENCY mode when the instrument works in channel tuning if vou press the CONFIG kev ore you will access the first page of the configuration menu of the parameters relating on this mode Fig 23 DIG CH CONFIG irz CHANNEL Bl CR MHz NOISE FREE 156 68 HHZ NOISE MODE FREL Figure 23 Digital Channel Configuration 1 2 The parameters which
25. ansmit must be present in the network and the measurements must be carried out for each one of the channels of the system April 2015 3 21 12 3 22 p Second order beats show up within the channel around the video carrier but as the relative position of the video carrier in all the channels can be different it is difficult to determine where thev are going to appear as a consequence we would have to be made a sweep within all the channel The equipment performs this measurement automatically at four frequencies around the video carrier 1 5 0 5 40 5 and 41 5 MHz These frequencies can be modified by the user refer to the section 4 2 3 3 Channel Frequency mode configuration menu Pdora ON Pdora OFF Carrier ON Carrier OFF Pteuse ON Pteuse OFF c50 A5MHz 0 5 MHz 0 5 MHz 1 5 MHz Figure 17 Interpretation of the CSO and CTB measures The equipment displays as CSO value the worst measurement that is to say the CSO ratio that has minor value accompanied of the frequency offset for which it has been obtained for example in the figure previous at 0 5 MHz The CTB measurement is performed equivalently to the CSO If all the channels that are transmitted have the video carrier at the same position within the channel then the CTB beat will show up at the same frequency as the video carrier It is for that reason that the equipment makes this measurement at the same frequency as the video carrier and as consequenc
26. appears press the rotarv selector to validate it BAND It permits to select between the FORWARD mode 5 to 1005 MHz and the REVERSE mode 5 to 80 MHz When selecting one of these modes the user can define the associated frequency PILOTI It defines a frequencv belonging to the forward or the reverse band where the first measurement of level will be done This parameter and the rest of pilots is defined digit bv digit bv pressing repeatediv and turning the rotarv selector PILOT 2 It defines the second pilot frequency belonging to the forward or reverse band gt PILOT 3 It defines the third pilot frequency belonging to the forward or reverse band PILOT 4 It defines the fourth pilot frequency belonging to the forward or reverse band TILT CONFIG 171 BAND REVERSE FILOT 1 Su AA MHZ PILOT 2 16 88 MHz PILOT 3 27 00 MHz PILOT 4 45 68 MHz Figure 48 TILT configuration REVERSE mode To leave the configuration menu of the TILT mode just press the key of the operating mode you wish to access 3 46 April 2015 12 lt a 3 7 ia HUM Operating Mode The HUM operating mode measures the HUM value 9 This feature also identifies automatically the type of voltage DC or AC at the input the voltage and the frequency for alternating voltage The HUM is buzz at low frequencv modulation that affects the carrier producing a distinctive hum in both image and audio
27. ation Menu to which it is access by pressing again the key To leave a configuration menu just press the key of the operating mode you wish to access SCAN SPECT SCAN CONF IG THRESHOLD REF LINE POWER MEAS Full spam o GLOBAL COHFIG CHANNEL PLAN CIF DIT CHANNEL PLAN HITS dBuy ME TE E L TI 12 45 DA 21 03 2004 855 23 MHz CCIR CH FR CONFIG 1 2 OFF ENGLISH T LANGUAGE G Boab eset CONFIG aup1 nore FM ia WA i d AUDIO FREG 5 58 MHz a SU Version 2 32 HS 54 dB CHANNEL BU 8 6 MHz NOISE FREQ 4 4 MHZ HOISE MODE P A 8 68 MHz ili Figure 4 Accessing the configuration menus April 2015 12 z 3 2 Global configuration menu In order to access the global configuration menu from any operating mode SCAN CH FR SPECT etc you must press the key repeatedly until you see at the top of the screen the headline Global Config 1 2 The global configuration menu consists of two pages attached figure shows the first one to switch from one to the other simply press the TS key GLOBAL CONE IG lez CHAHMEL PLAN LLIR EDIT CHANNEL FLAN dB Lt 43 1 Hr 2614 Figure 5 Global configuration 1 2 In order to modify the state of a given parameter you must turn the rotary selector until this one appears shaded and next press it then the value of the parameter will appear shaded and turning the selector a
28. ay be changed by turning the rotary selector When the value you want appears press the rotary selector to validate it The parameters that can be modified through this menu are gt BAND It selects the analyzed band between RETURN PATH Sub band spectrum 5 to 80 MHz FORWARD Band from 5 to 1005 MHz MODE It selects the representation mode SPT Instantaneous value MIN Minimum values held MIN INGRESS MAX Maximum values held MAX INGRESS gt DETECTOR It selects the type of detector between PEAK AVERAGE April 2015 3 43 12 gt REF LINE It permits to activate deactivate and to define the reference line level in 1 dB steps from 20 to 120 dBuV dBuV units This line appears on the spectrum representation To leave the configuration menu of the SPT mode just press the key of the operating mode you wish to access 3 6 it TILT operating mode The TILT operating mode displays on screen graphically and numerically the difference in level between any four frequencies previously defined as pilots This function provides a quantitative measurement about band equalisation This function can be applied to forward and to the return paths according to is defined in the TILT mode configuration menu section Tilt mode configuration To access this mode of operation press the TILT key wj The screen will show a bar graph of the four pilot channels and the difference in level TILT between the upper pilot an
29. channel power gt 60 dBuV 2 dB Measured before RS decoding PreBER Measurement range 10 E 2 to 10 E 8 low resolution E 9 high resolution E 10 in continuous mode Measured after RS decoding PostBER Measurement range Constellation Diagram Lock range Symbol rate Measurement range Datalogger Modulation type Bandwidth Frequency tuner 3 6 60 10 E 2 a 10 E 8 low resolution E 9 high resolution E 10 in continuous mode DVB QAM signals Annex A B C and DOCSIS Euro DOCSIS From 50 dBuV to 120 dBuV From 10 dBmV to 60 dBmV 1000 to 7000 ksym s For each digital channel the level and the MER can be stored BER to transfer to PC 16 32 64 128 256 QAM ITU J1 annex A C 64 256 QAM ITU Ji annex B and COFDM DVB T under request 1 8 MHz 62 5 kHz For the positive video modulation L standard it can vary from 0 to 2 dB among white and black image April 2015 72 fa VIDEO AUDIO RATIO MEASUREMENT ANALOGUE CHANNELS Measurement Measurement range Audio subcarrier frequency Variable Accuracy Ratio of video to audio carrier levels From 0 to 40 dB 4 9 MHz 3 dB 5 1005 MHz CARRIER NOISE RATIO MEASUREMENT Measurement Analogue channels Digital channels Measurement range Analogue channels Digital channels Accuracy Ratio between carrier level and the channel s noise level Ratio between the channel power and the noise level The fr
30. click the icon which is in the top left hand Bv this wav it establishes communication between vour instrument and computer Vour computer scans its ports looking for the one connected to vour instrument and then it finds out what model is If during scanning it detects vour instrument the program displavs a message on the screen with information about the model and the port used If does not detect it it will show an error message Once connected vou can work with the most common functions Update Edit or view Loggers When finished disconnect the USB cable from the equipment before turning it off 5 3 Firmware Updating Download the upgrade file to your computer Click the menu option Upgrade Add Upgrade File It opens an explorer window Look for and select the downloaded upgrade file and click the button Open The file will be copied into the upgrade folder April 2015 5 55 a S N es E Pali A ee E KM 7 MU ma gt 4 Pn K A 7 i 4 x A 4 T l d e 4 4 R 7 W mun 1 f D g ala Wa f a U Y 4 G Fa A Mi 4 VA LU 4 av V A N WwewEe EX WW B T a A Mm U LA JA 4 T oe Y ON 12 fa Click the upgrade icon L at the top of the main window It opens 2 new window where you should select the upgrade file from a list Then click on the Upgrade button If your instrument is properly upgraded the program shows a message box to confirm it If there is any failure during
31. d the lower pilot 5 dB in the example When the pilots are not present or its level is lower than 20 dBuV the message NO PILOTS will 9 appear Turning the rotary selector the reference level may be modified Forward Path Figure 46 TILT mode 3 44 April 2015 12 z The pilots may be defined in two ways gt By frequency Using the TILT configuration menu See section TILT mode configuration gt By channel only pilots in the forward band From the SCAN mode In order to do this Place the marker over the channel you want as low pilot Press the SCAN key scan and the message PILOT 1 PRESS TILT will appear at the bottom of the screen Keeping the SCAN key held down press the TILT key wj and a message PILOT 1 ENTERED will appear as confirmation Repeat the steps 1 to 3 for the 3 following pilots 3 6 1 E Tilt mode configuration Pressing the CONFI G menu ons key will access to the first page of the configuration TILT CONFIG 1x71 IEFIHD FORWARD PILOT 1 100 25 MHz PILOT 2 487 25 MHz PILOT 3 551 25 MHz PILOT 4 631 20 MHZ Figure 47 TILT configuration FORWARD mode April 2015 3 45 12 I gt To change a given parameter turn the rotary selector until the field is activated this will appear shadowed and then press The value of the parameter will be activated and may be changed by turning the rotary selector When the o value vou want
32. e to make this measurement it is necessary to turn off the video carrier of the channel we want to analyse If it is not possible to turn off the carrier at the head end the equipment allows like approach to make this measurement at one of the free adjacent channels see section Channel Frequency mode configuration April 2015 12 a gt MEASURING METHOD When pressing the rotary selector y again we will access to the CSO CTB distortion products measuring screen First of all it will appear the message REMOVE CARRIER PRESS TO MEASURE That is to say once the video carrier level on which it is desired to make the measurement appears on the screen you must press the rotary selector S in order that the unit retains the carrier level and comes to calculate the CSO and CTB ratios next you must turn off the video carrier of the channel you want to make the measurement at the right of the CTB measurement will appear the message Carrier OFF 555 25MHz CCIR VIDEO Carrier SA gBul CS0 48dB aF BO5SB MHz LIB slab Carrier UFF Z 26 108 J27 b ag 4576 30 gt ail 1 3B Figure 18 CSO and CTB measurement The display will show the level of the video carrier 80 dBuV in the previous figure and the CSO ratio accompanied by the frequency offset for which the minimum ratio has been obtained and the CTB ratio with the message Carrier OFF or Carrier ON according to the instrument has detected the absence or not of carrier At the
33. ecified environmental conditions The user is not authorised to manipulate inside the instrument Any change on the equipment should be carried out by qualified personnel Follow the cleaning instructions described in the Maintenance paragraph 12 Symbols related with safety DIRECT CURRENT ON Supply ALTERNATING CURRENT OFF Supply DOUBLE INSULATION Class Il protection CAUTION Risk of electric shock DIRECT AND ALTERNATING GROUND TERMINAL PROTECTIVE CONDUCTOR CAUTION REFER TO MANUAL FRAME TERMINAL FUSE ed EQUIPMENT OR COMPONENT EQUIPOTENTIALITY L TO BE RECYCLED Descriptive Examples of Over Voltage Categories Cat I Low voltage installations isolated from the mains Cat II Portable domestic installations Cat I I I Fixed domestic installations Cat I V Industrial installations 12 I GENERAL irer 1 1 EL DENN 1 1 2 SETTING UP a a EE EAA 2 3 Zed PACKaGe CONTONE TTT 2 3 2 27 PORT NN sripit rren EEE sama EEEE 2 4 22 Battery NE 2 4 2 2 2 Recommendations for USING sss secs cs exe x e x e x e c e ee eee 2 5 2 5 JniStallotioh ana SEP 2 5 25 NNN 2 5 24 EQUIBMENE eee a E TRE OEEO E a 2 6 3 OPERATI NG INSTRUCTIONS ce eee eee 3 8 3 1 Operating instructions and Navigation se eeenennnnnnnkennnnanzzzznnnnnni 3 8 3 2 Global configuration Menu cs es e x e x e x x c x c x e x e x e x aa Ke eee 3 11 JA BQiEChanne Pl a ENAA AAAA AA 3 13 39 SCAN operating MOJE T 3 14 dl SCAN Mode configurator ie ER
34. equency where noise is measured is user definable in absolute or relative value In the relative mode the unit takes as default frequency offset the value BW 2 0 5 MHz 40 50 dB for input level between 60 and 70 dBuV gt 50 dB for input level gt 70 dBuV gt 30 dB for input level gt 60 dBuV 3 dB 5 1005 MHz CSO amp CTB INTERMODULATI ON PRODUCTS MEASUREMENT CSO Measuring frequencies CTB DATALOGGER FUNCTION Max number of loggers Number of channels logger Measurements Analogue channels Digital channels 4 See annex 2 April 2015 Ratio of the peak level of the video carrier to the peak of the distortion products of second order beat Measured at four frequencies user definable User definable from 2 50 to 2 50 MHz Default values 1 50 0 50 0 50 and 1 50 MHz Ratio of the peak level of the video carrier to the peak of the distortion products of third order beat Measured at the carrier frequency or approximately mode in a channel previously defined by the user B 140 Level C N and V A Channel power and MER BER to transfer to PC 6 61 ASPROMAX SCAN Span Reference level TILT Indication Analysed band Number of pilots Pilots frequency Pilots resolution SPECTRUM ANALYSER Span Reference level Analysed band Detector Bandwidth Resolution Peak detector Full Span 5 1005 MHz Span 100 MHz Span 15 MHz Span 5 MHz Span 1 MHz Average detector Span 15
35. eshold This parameter allows to carry out the logger function in an agile way by activating only those measures we consider significative In the OFF mode deactivated all measurements are taken with a level higher than 20 dBuV On the other hand when a level is defined only those channels with a level higher than the THRESHOLD value will be measured gt MEASURES It defines the types of measurements to be made This parameter allows to select the measurements that are desired to made between a ee ee CHANNELS DIGITAL CHANNELS Audio Adeo Carrier vever Adeo Noise T Ratio LEVEL POWER AV CN MER AV CN MER BER Note The BER measurements represent an increase of the data acquisition time April 2015 3 51 12 To leave the configuration menu of the DATALOGGER mode just press the key of the operating mode you wish to access 3 52 April 2015 12 a The equipment allows the connection to a PC for data transfer by means of a mini USB male to USB female connection cable The PROM AX 12 control software permits to carry out from a computer the following options gt CHANNELS PLAN EDITOR Modify add or delete channel plans gt CONFIGURATION Permits to modify all the configuration parameters gt DATALOGGER Permits to edit and to save all the measurement contained in a logger gt DATE Allows to update the equipment software version The PROM AX Z2 software control is ava
36. evel Mode it appears a screen where the level of the input signal is represented bv a bar graph and bv a numeric value Fig 27 394 IAMH CCIR Figure 27 The signal also can be audible through the loudspeakers depending on the option selected on the Configuration menu 3 4 2 2 ill Analogue Mode In the Analogue Mode can be taken three tvpes of measures Press the rotarv o knob to switch among them These measurements are gt Video Carrier Measurement It shows the power level of the video carrier at the frequency tuned It is represented by a bar graph and in numeric value April 2015 3 31 12 It also shows the V A ratio and the C N ratio in dB Cas EME CCIR VIDEO Carrier b2dbiyl Ups 2 JE CH 17 dB e 28 dB 68 88 109 128 Figure 28 p Audio Carrier Measurement It shows the power level of the audio carrier at the frequency tuned It is represented by a bar graph and in numeric value It also measures the V A ratio and the offset between the audio signal and the video signal Cad 98 5SB HE CCIR AUDIO Carrier GAEL IL R E JE d F 5 56 HHS EEE 28 48 68 188 128 Figure 29 3 32 April 2015 72 ASPROMAX gt CSO CTB intermodulation measurement On the screen appears the level of the video carrier the CSO measure the deviation of the frequency from which has been obtained the minimum ratio the CTB measure and whether the Carrier is OFF or ON 96 5BMHz CCIR VIDEO Carr
37. for the Post BER digital signal BER after FEC Error rate of modulation MER Quadrant shown ALL Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Locked encoding type or unlocked KE 6 52 S4MH2 Fee ponte fi 1 4 CS SK meh eee hs RI 2 3 QAMEd hett 24 A UBER 1 5E 4 Rk ES KJE Z X a h 6 A MER ZB dB ALL MPEGZ g Y rK a 4 1 CREP lt 1E 9 F Figure A2 ai 3 specitcations DVB T MEASUREMENTS Modulation COFDM Margin of power measurement From 35 dBuV to 120 dBuV Measures Power CBER VBER MER and C N Displayed data Numeric level bar and constellation Carriers 2k 8k Guard Interval 1 4 1 8 1 16 1 32 Code Rate 1 2 2 3 3 4 5 6 7 8 Constellation QPSK 16 QAM 64 QAM April 2014 12 fa ANNEX 2 CARRIER NOISE RATIO MEASUREMENT C N Limits of C N measurements of Promax 12 C N dB 60 Analog Channels 00 2 dB 40 Digital Channels 2 dB 30 20 10 40 30 20 10 0 10 20 30 40 50 60 P dBmV 20 30 40 50 60 70 80 90 100 110 120 P dBuV 4 April 2015 ASPROMAX PROMAX ELECTRONICA S L Francesc Moragas 71 75 08907 L HOSPITALET DE LLOBREGAT Barcelona SPAIN Tel 93 184 77 00 Tel Intl 34 93 184 77 02 Fax 93 338 11 26 Fax Intl 34 93 338 11 26 http www promaxelectronics com e mail promax O promaxelectronics com
38. hannels If the tuned channel has been defined as analogue by means of the Edit Channel Plan function see section Global Configuration Menu the PROMAX 72 will display a screen as the one shown in the attached figure ME 855 25MHz CCIR UIDEO Carrier 89 dBull WeA i dB Chs 54 dB BB 38 188 126 Figure 15 V A and C N Level measurement The tuned channel C69 in the figure appears in the higher left hand corner this may be changed by turning the rotary selector At its right appears the frequency 855 25 MHz and the active channel plan CCIR in the figure Below is shown the video carrier level VIDEO Carrier 80 dBuV in the example The units of measurement may be changed using the Global Configuration Menu At the bottom a bar graph displays the level with a resolution of 1 dB Also the ratios between the video and the audio carriers V A and the video carrier and noise C N are shown The example in previous figure shows a channel with a Video Audio ratio of 16 dB and a C N ratio of 54 dB 3 20 April 2015 12 lt a 3 4 1 2 i Audio carrier measurement analogue channels For the PROMAX 12 to demodulate an audio signal and show its characteristics level and frequency offset press the rotary selector K again In the attached figure the audio carrier level AUDIO Carrier is 64 dBuV and the frequency offset is 5 50 MHz F It also shows if the audio whether Level
39. he power adapter 2 4 April 2015 12 2 2 2 IE Recommendations for using In case of anticipating a long period of inactivitv for the equipment it is recommended to store it with the batterv fullv charged and at temperatures below 25 C It advisable in these cases to carry out each three moths a charge discharge cycle and later a partial charge for example 50 2 3 H Installation and start up The PROM AX 12 has been designed for use as a portable equipment An indicator on screen shows the battery level This indicator has 4 level according to the charge level A fully charged battery can power the equipment for more than six hours When the low battery indicator appears on the display L 1 the batterv must be recharged When a fullv discharged batterv is installed it is possible that due to residual charges the PROMAX 72 may start up In this case the instrument will automatically disconnect before the low battery indicator appears on the display 2 3 1 IZ Contrast adjustment If you are holding down the key CONFIG you will see the message CONTRAST ADJUSTMENT Move the Encoder on the screen In this situation turning the rotary knob Vis possible to adjust the contrast to get the best displaying at any environmental condition The new contrast value remains even after you shut down the instrument April 2015 2 5 12 a 2 4 iz Equipment Details Front View F F or F BNC or F IEC adapter
40. his reference line allows to establish judgements of channel level acceptance just with a glance at the SCAN screen April 2015 3 17 12 a gt POWER MEASUREMENT It allows to define if the measurement of the power is carried out on the channel bandwidth CHAN indicated by the MARKER or over the full band between 5 and 1005 MHz 2PWR To leave the SCAN operating mode configuration menu just press the key of the operating mode you wish to access 3 4 m CHANNEL FREQUENCY operating mode The CHANNEL FREQUENCY operating mode provides the following measurements gt Analogue channels Video carrier level Carrier Noise C N ratio Video Audio V A ratio Audio Carrier Level CSO CTB intermodulation distortion measurement gt Digital channels Channel power by measurements integration Carrier Noise C N ratio Bit error rate BER Modulation error ratio MER Constellation Diagram CHER There are two tuning modes by channel or by frequency To switch between To access to this mode of operation press the CH FR key these two modes of tuning press successively the CH FR key cu April 2015 12 CH FR MODE LEVEL BAR ACOUSTIC INDICATOR MER BER CONSTELLATION CTE CSO CTB CSO Figure 14 Access to the measurement functions CH FR operation mode April 2015 3 19 12 3 4 1 Channel tuning 3 4 1 1 iii Video carrier measurement analogue c
41. ier 64dBuyl CSD 3 dB AF 5 5BMHz LIES 4 dB 971 50 4 75 2 7 2 50 4 s 1 5B8 Figure 30 3 4 2 3 Digital Mode In this mode you can make two types of measurements To switch between them you must press the rotary knob one or two times The measurements are Input Channel Power The digital mode shows the power level of the input channel It is represented by a bar graph and in numeric value It also measures the C N ratio carrier noise 58 S MH CHANNEL POWER 71dByy Bl 9 IMH2 C N 274B INTEGRATING Po 1 17 08585 0 0 0 0 29 4h bM of 199 126 Figure 31 April 2015 3 33 ASPROMAX To switch to Constellation Diagram press once the rotary knob gt In this mode measures see figure Constellation Diagram is shown the Constellation Diagram and other related QAM modulation type Encoding type detected Symbol rate SR Error rate obtained for the Post BER digital signal BER after FEC indicated by BER gt Error rate obtained for the Pre BER digital signal BER before FEC indicated by BER Error rate of modulation MER Quadrant shown Locked Unlocked CC IR 64 DUB SK lt B oro A gee L L SAA Rd r ER TE DAH mkiadmhh s tt CSN A OBER lt 1E 9 g N rF T l KI KLE da I BER lt 1E 9 x MER 446 dB Liu 4 fres cna a ALL Lockede Figure 32 To measure again just press again on the rotary knob To switch to the In
42. ier Noise ratio and the Video Audio ratio the latter only in the case of analogue channels as well as the power channel and MER measurements of each active channel in the channel plan see paragraph Channel Plan editor at section Unit Global Configuration These measurements are stored in the memory so that they can be subsequently viewed or transferred to a PC The equipment will store up to 55 obtained channels or loggers in the memory with a maximum of up to 140 analysed channels in each When pressing the LOGGER key a screen similar to the one of the attached figure will appear The first line shows the logger number followed by the date it was acquired only if MEASURE function was executed on that logger previously Below the different functions you can perform from this operating mode are shown VIEW and MEASURE LOGGER HUMBER I 21 463 2014 U IEL MEASURE eee ir 59 21 b3 2H14 Figure 51 LOGGER main configuration screen On the bottom of the display appears present time and date To modify them see section Global Configuration Menu To access to any of the different fields of the initial screen of the LOGGER D function turn the rotary selector until it is activated it appears shadowed and next press it First of all you must select the logger on which you want to perform any function turn the rotary selector until the LOGGER NUMBER field is shadowed and press it Then turning the rotary selector select the de
43. ilable in the download area at the PROMAX website http www promax es ing downloads software and firmware For more details about PROM AX 12 software check the next chapter April 2015 4 53 12 p 5 1 Software Installation If you do not have the file installation download it from the PROMAX website download area at http www promax es ing downloads software and firmware Please before installing the program read the following instructions In case of doubt contact with our technical service Access the folder where the file is saved Double click the file Setup exe The software installer opens automatically Follow the onscreen instructions to install the software By default the program creates a folder at the address C Program Files PROMAX PROMAX 12 software where all the files are installed It also creates a shortcut on the desktop to open the program In order to run the program double click the shortcut icon y 5 2 a Starting the program Turn on your PROMAX instrument Connect your PROMAX instrument to a USB port in your computer Use a communication cable mini USB male to USB A male Run the program by double clicking the icon Li on the desktop April 2015 12 r d Loner nira General Channon Doaky Utrede leni 60 ml 9 PROMAX i Modal PRIMA 12 Verson Serial Humber 10 Interiace Version Figure 54 In the resulting window double
44. ipment or transferred to a PC via the mini USB connector In Scan operating mode the PR OM AX 12 indicates the level of all channels present on the band in a bar graph display The span and reference level are user definable A moving marker shows the exact level of each specific channel In Tilt operating mode the screen shows both graphically and numerically the difference in levels between any four previously defined pilot frequency channels in order to obtain a qualitative measurement on band equalisation As a Spectrum Analyser it provides the analysis of the entire band with a span defined by the user from 1 to 100 MHz Furthermore it is possible to alter the reference level and to detect and maintain the maximum and minimum values for INGRESS measurements The HUM mode measures the frequency and the value of the HUM which is a low frequency modulation that affects carriers and produces a distinctive hum in both image and audio especially in analogue signal At the input this function also identifies automatically the voltage type DC or AC the voltage and the frequency only for AC In designing the PROM A X 72 special attention was given to building a multi purpose accurate yet easy to use instrument A simple keyboard gives direct access to the various operating modes and once in them any measurement parameter can be easily changed using the rotary selector button In addition it has a mini USB terminal for co
45. nd 60 dB in 10 dB steps Quadrant To select what constellation quadrant you want to view ALL Q1 Q2 Q3 Q4 QI Q2 Q3 Q4 When switching from frequency to channel if the tuned frequency does not correspond to any channel the equipment will search for the channel nearest to this frequency and will stay tuned to this channel This operation may take a few moments 3 5 M SPECTRUM ANALYSER operating mode Pressing the key the unit switches to the SPECTRUM ANALYSER mode This function has 3 different operating modes SPT MAX and MIN which are selectable through the spectrum mode configuration menu 3 38 April 2015 12 R PROMAX lt a 3 5 1 Spectrum operating mode SPT In the SPECTRUM mode the equipment provides a spectral analysis of the band the span and the reference level are variable The spectral analysis can be done in the forward band or in the return path as it is selected in the spectrum configuration menu this menu also allows to select the detector used for the representation of the spectrum between peak and average SPT 630 B MH2 S rdBul MITI 38 SP 15MH2 657 58 Figure 38 SPECTRUM mode The marker frequency is displayed in the higher left hand corner of the screen and to its right the frequency signal level To alter the marker frequency turn 9 the rotary selector e By pressing the rotary selector you can alter the span between 1 MHz and 100 MHz and full span 5 1005 M
46. nnecting to a computer for producing reports on the measurements obtained The instrument is powered by means of an internal rechargeable battery All these functions have been brought together in one instrument weighing only half a kilo The ergonomic sturdy design makes the PROM AX 12 a working tool without parallel April 2015 12 lt a 2 1 mi Package Content Check that vour package contains the following elements PROM AX 2 analyser F female F female input adapter Mains Adapter 100 240V 50 60 Hz Mains cable for EUROPE and other countries Carrying bag Rubber holster Quick reference guide NOTE Keep the original packaging since it is specially designed to protect the equipment You may need it in the future to send the analyser to be calibrated April 2015 2 3 12 fa 2 2 Power supply The PROM AX 12 is a portable instrument powered by a built in 7 4 V Li Ion rechargeable battery Before taking any measurement the user should make sure that the battery is fully charged The equipment can work powered by the battery or connected to the mains through the power adapter 2 2 1 E Battery charge The instrument has a 100 240V 50 60 Hz mains adapter to power the instrument or to recharge the battery Before using the power adapter make sure that the adapter is suitable for the mains voltage bD MHz 6 E am SPECT wee illli l Figure 1 PROM AX 12 connected to t
47. nnel plans use the arrows placed between the two boxes in order to pass plan files to the group box right box or vice versa Eventually when you have all plans you want for your group assign a name for the group on the top box and Save it To transfer a plan group file to your instrument press the button Transmit At the instrument memory the new group overwrites on the old one previously it appears a warning message To download channel files from your instrument to your computer press Receive Other buttons allows you Open a group file create a New one and finally Delete or Rename any channel plan Note When transmitting a new plan group to your instrument it disappears all instruments loggers associated with the previous plan group April 2015 5 57 PROMAX Tr PROMAX 5 5 Datalogger B 5 58 Click the icon l It opens the Datalogger window Datalogger Index Q 0 0 G Receive Index Receive All Bride Fils Print Loggers Print Setup Figure 57 To receive an index with all existing loggers in your instrument you should click the button Receive Index Once the index is downloaded you can see all loggers in a list on the screen Double click the logger you want to see At this time it downloads the logger selected from the instrument to the computer and you will be able to see it To print it press Print If you want to download ALL the loggers of your
48. o activate ON or deactivate OFF the equipment beeper When it is on it sounds on pressing any key or when turning the rotary selector in order to alert the user gt LANGUAGE This field permits to select the language between SPANISH FRENCH POLISH ENGLISH and GERMAN gt BATTERY It indicates the battery level gt BER RESOLUTION LOW BER measurements every 2s The minimum measured BER for a signal at 64QAM and a SR at 6875 Ks s is 10 HIGH BER measurements every 20 s The minimum measured BER for a signal at 64QAM and a SR at 6875 Ks s is 10 Continuous measurements up to 30 minutes The minimum measured BER for a signal at 64QAM and a SR at 6875 Ks s is 10 3 12 April 2015 12 z The resolution selected in the configuration applies also in the measurements done in LOGGER mode with the exception of the CONT mode that measures time of 20 s in HIGH mode gt SW The lower line of the screen shows the version of the unit control software To leave the global configuration menu just press the key of the operating mode you wish to access 3 2 1 ia Edit Channel Plan When selecting this field and pressing the rotary selector the unit access to the active CHANNEL PLAN The attached figure shows an example of channel plan The first line shows the name of the channel plan CCIR in the figure the audio carrier offset 5 50 MHz the modulation type FM and the units of measurement dBuV Next line sho
49. ode the instrument does not carry out the integration of the power values but it just measures at the central frequency of the digital channel Then the resulting value is not calibrated and is 6 or 7 dB lower than the measurement made in the CHANNEL FREQUENCY mode which does the power integration 3 3 1 E SCAN mode configuration In the SCAN operating mode pressing the CONFIG key will access the configuration menu for this mode SCAM LUOHF IG THRESHOLD OFF REF LINE OFF POWER MEAS CHAN Figure 13 SCAN configuration menu This menu permits to change three parameters THRESHOLD REFERENCE LINE and POWER MEASUREMENT To access to any of them turn the rotary selector until it appears shaded and next press the selector then the value of the parameter will appear shaded and turning the selector you will be able to modify its value Finally to validate the new value press the rotary selector again gt THRESHOLD It defines the minimum level to show channel on the display OFF or between 21 and 120 dBuV If the threshold is deactivated OFF on the SCAN representation will appear all the active channels of the channel plan with a level higher than 20 dBuV Otherwise if we define a level for the THRESHOLD parameter channels with a level lower than the threshold value will not be displayed gt REFERENCE LINE It permits to activate or to deactivate OFF a reference line on the SCAN graph between 21 and 120 dBuV T
50. put Channel Power press fast and twice the rotary knob 3 4 2 4 Frequency tuning configuration e From the FREQUENCY TUNING mode press the key l ONFIG CONFIG and then it will appear the Configuration menu related to the frequency tuning April 2015 12 lt a Depending on the type of measurement the Configuration menu changes There are three types of measurements in frequency tuning ANALOGUE DIGITAL and LEVEL Each one can be selected from the FREQ MODE option on the CONFIGURATION menu COHFIG LEVEL 1 1 FRE MODE LEL FREQ STEP Q 18 MHz AUDIO MODE FM Figure 33 Config Level The options available on the Configuration menu in the LEVEL measurement mode are next gt Freq Mode It allows you to change the measurement signal among ANL Analogue DIG digital and LEV Power Level gt Freq Step It allows you to change the step of frequency This is put into practice when you are using the rotary knob to change L frequency Audio Mode There are four options to receive the audio signal LEVEL AM FM OFF In LEVEL mode the instrument beeps depending on the power input In AM mode you can listen to AM Amplitude Modulation radio signals In FM mode you can listen to FM Frequency Modulation radio signals In OFF mode the loudspeakers are off April 2015 3 35 ASPROMAX HN FR CONFIG 1 2 FREW MODE AML FREQ STEP Q 18 MHz HUD LU MODE FM Figure 34 AN FR C
51. ry selector 7 until this one appears Shaded and then press it the cursor will jump to the ON column then turning the selector it will be possible to activate it it appears a cross or to deactivate it it does not appear a cross By means of the Edit Channel Plan function also it is possible to define channels as analogue or digital To do this turn the rotary selector 7 until the channel that you wish to modify appears shaded and then press it twice the cursor will jump to the DIG column then turning the selector it will be possible to define it as digital appears a cross channel C02 in the example of the previous figure or as analogue it does not appear a cross In the case of selecting it as digital it is possible to access directly to the digital channel configuration In order to return ON key to the Edit Channel Plan function press the After editing an analogue channel the feature AFCH appears at 0 00 MHz It is the displacement of the channel when it is tuned for those channels that have the frequency displaced relating to the standard frequency You can vary within a range from 2 00 to 2 00 MHz To modify the rest of characteristics of the channel plans it is necessary to use the PROM AX 12 control software available in the PROMAX download area at the website www promaxelectronics com To exit the Edit Channel Plan function press any other function key SCAN operating mode The SCAN operating mode shows
52. s advised to previously define a reference line which actuates as a maximum noise threshold April 2015 3 41 12 I 3 5 3 IB Min operating mode This measurement permits to detect permanent channel interferences that in an other wav could remain masked because of the variable nature of the signal It is interesting in analogue channel measurements as well as in digital channel To select this representation mode vou must select the MIN mode MINIMUM INGRESS see section Spectrum mode configuration menu In this operating mode it is advised to select the Average detector see section Spectrum mode configuration menu Figure 44 After several scans Previous figures show an example of this measurement over a digital channel Left figure corresponds to the first sweep After several sweeps right figure an interference is seen at the centre of the channel which previously remain masked by the noisv nature of the signal 3 42 April 2015 12 3 5 4 Spectrum analyser mode configuration Pressing the CONFIG key will access the parameter configuration menu for the SPECTRUM function SPECTRUM CONFIG 1 1 BAND REWERSE MODE SPT DETECTOR PEHE REF LINE 36 dBuy STOP FREL i MHz Figure 45 SPECT mode configuration e To change the value assigned to one parameter turn the rotarv selector until its field is activated this will appear shadowed and then press The value of the parameter will be activated and m
53. se of safety reasons the maximum input power over the entire band is limited up to 120 dBuV The equivalent power level for a group of channels of similar levels is related with the input power level over the entire band according to the following expression LT L 10 log N LT total level L mean level of one channel N number of channels present For higher input power levels the use of an external attenuator of 20 dB is recommended There may be certain frequencies where the symbol lt appears at levels higher than 25 dBuV maximum 28 dB This is due to the automatic correction of the frequency response The value measured remains correct although the accuracy becomes 3 dB April 2015 6 59 ASPROMAX 12 Reduction of the measurement range depending on the number of channels Up to 10 channels From 11 to 20 channels From 21 to 50 channels From 51 to 80 channels Readout IF bandwidth Input impedance Audible indicator Accuracy Analogue channels Digital channels 110 dBuV 107 dBuV 103 dBuV 101 dBuV Digital in dBuV dBmV or dBm and analogue through a graphic bar 1 dB resolution 200 kHz 30kHz 75 Q Tone which varies with the signal level 2 dB from 0 to 40 C for negative video modulation 3 dB from 0 to 40 C for 8 MHz bandwidth channels DIGITAL SIGNALS MEASUREMENT MER Modulation error ratio Measurement range Accuracy BER Bit error rate 26 dB to 40 dB For
54. sired logger from 0 to 54 and finally press it again to validate The acquisition date appears under the logger number only if you have taken measurements on this logger April 2015 3 49 12 p To carrv out a logger acquisition vou must select the MEASURE function for this purpose turn the rotary selector and when this field appears shadowed press it in this way you will access to the logger Next press again the rotary selector 9 in order that the equipment makes all the measurements defined in the LOGGER configuration menu over all the active channels of the channel plan See Edit Channel Plan function at section Global configuration menu The processing of channels as analogue or digital and the parameters to make the measures the frequency of the audio carrier for the analogue channels and the frequency offset for the noise measure of the digital channels C N ratio will correspond with the configuration of the equipment at the time of carrying out the measurement To return to the initial menu of the LOGGER function press the LOGGER key LOGGER To check the measurements stored in a specific logger select the VIEW option 17 45 02 13 84 2014 CCIR 5 56 FM Buy i 5 53 25 a a Ces I J 1 2il 46 2H i Figure 52 Logger view The first line shows the channel plan CCIR in the example the audio carrier offset 5 50 MHz the audio demodulation FM and the units of meas
55. th a bandwidth BW of 8 MHz NOISE FREQ will take as value 4 5 MHz The Channel Frequency configuration menu allows the user to redefine this parameter when tuning a new channel the equipment will return to assign to NOISE FREQ the default value The following figure shows that when making C N measurements in the relative method AF it is essential to bear in mind the presence of adjacent channels otherwise the noise could be confused with the signal of another channel 3 25 12 Figure 21 Example of digital channels spectrum Taking as example the previous figure if we suppose that for the channels that appear in the figure it has defined a bandwidth of 8 MHz in the relative mode of measurement the equipment will take as value for NOI SE FREQ 4 5 MHz Note that this method can cause erroneous measures in the measurement of the channels D24 and D25 For D24 it is advised to configure NOI SE FREQ 4 5 MHz and to verify if the measurement increases In case a channel has two adjacent channels for example channel D25 it is recommended to select the absolute mode and to assign to the NOISE FREQ parameter a frequency corresponding to a free channel for example between D26 and D27 3 4 1 5 Constellation Diagram digital channels Once obtained the Power and C N ratio measurement the BER and MER measurement on tuned channel as well as the Constellation Diagram graph representation for the DVB QAM digital signal c
56. the 5 to 1005 MHz range which includes FM radio community TV systems MATV cable TV CATV and wireless cable TV MMDS including the sub band return path The PROM AX 12 incorporates the power level measurement function in the whole frequency band very useful to check a possible input saturation of some broadband demodulators and optical transceivers In addition with the HUM function is possible to detect a modulation at low frequency that affects the carrier and produces a distinctive hum in both image and audio As a Level Meter the PROM AX 12 enables the following measurements gt Analogue channels Video carrier level measurement Carrier Noise ratio measurement C N Video Audio ratio measurement V A Audio Carrier Power Measurement CSO CTB Intermodulation distortion measurement HUM measurement gt Digital channels TV and radio Channel power measurement by integration Carrier Noise ratio measurement C N gt Digital channels DVB C ITU J 83 Annex A B and C Bit Error Rate BER measurement Modulation Error Ratio MER measurement Graphical representation of Constellation Diagram i Also available DVB T COFDM option under request April 2015 l 1 12 1 2 p The Datalogger function allows up to 55 loggers or measurements to be taken and stored each with carrier levels C N and V A ratios channel power or MER of up to 140 channels The measures obtained can be checked on the equ
57. the following environmental conditions in these conditions the specifications could also be applied Altitude Up to 2000 metres Temperature range From 5 C to 40 C Maximum relative humidity 80 up to 31 C decreasing lineally up to 50 at 40 C NOTE Equipment specifications are set in these environmental operating conditions Operation outside these specifications are also possible Please check with us if you have specific requirements April 2015 6 63 ASPROMAX MECHANI CAL FEATURES Dimensions Weight 72 70 90 on the display W x 218 H x 50 D mm 825 g including battery and holster RECOMMENDATI ONS ABOUT THE PACKING It is recommended to keep all the packing material in order to return the equipment if necessary to the Technical Service ACCESSORIES AD 057 AL 101B CA 05 DC 275 DC 284 0 DGO132 OPTIONS OP 010 61 OP 012 0 OPTIONAL ACCESSORIES AA 012 AD 055 AD 056 AT 20C CC 030 CC 042 DC 229 DC 286 6 64 F female F female input adapter Mains Adapter 100 240V 50 60 Hz Mains cable for EUROPE and other countries Carrying bag Rubber holster Quick reference guide Change channel plan Carried out under request in the factory DVB T COFDM option Car cigarette lighter adapter cable F female BNC female adapter F female IEC female adapter 20 dB attenuator F male F male 1m coaxial cable LNB power cable Carrying case Carrier belt April 20
58. the process it displays 2 warning message 5 4 i Editing a channel plan or a channel plan group Click the icon EB From the resulting window vou can create and edit channel plans or groups a group of plans is a file with various channel plans On the right box vou can see a list of channel plans The left box shows plans that make up a group of plans Channel Plan Group jum aunad c12 Hem Delete Transmit Recernve Figure 55 To edit a channel plan double click one of them right box or select it and press Edit A new window opens and displays all channels making up the plan Double click a parameter to change it After finishing edition save changes April 2015 FAnlg FDig Offset BW Status Mode 67250 67525 00 80 ON DIGITAL 68850 69 25 oo 80 ON DIGITAL 70450 70725 oo 80 ON T DIGITAL 71250 71525 oo 80 ON DIGITAL 70050 72225 oo 80 ON DIGITAL 72850 79 5 oo so ON DIGITAL 74450 74725 of 80 ON DIGITAL 75250 75525 oo 80 ON DIGITAL 76050 76325 oo 80 ON DIGITAL 76650 771235 00 80 ON DIGITAL 79250 78525 o0 a0 ON DIGITAL l 80050 80325 oo 80 ON DIGITAL at 81125 0 0 80 ON DIGITAL 82725 DO 80 ON DIGITAL 94050 84225 o oF 80 ON DIGITAL 94850 85125 oo 80 ON DIGITAL aj om oo Figure 56 To create a new group of cha
59. turn anti clockwise it will decrease cad Gaa 2IMHz 63dBul 705 Figure 10 SCAN mode Ref 90 dBuV April 2015 3 15 12 L e To change the tune press again the rotary knob The field Channel will be activated again Turning the rotarv knob will be possible to change its value The attached figure shows a horizontal line at 45 dBuV This line allows establishing judgements of channel level acceptance easilv To activate and define this reference line vou should see the SCAN configuration menu C44 BIILIMHZ Godbul FULL spah CCIE 55b Figure 11 SCAN mode with reference line at 45 dBuV In the case of having activated the broadband power detection function POWER MEAS gt XPWR in the configuration menu of SCAN mode on the display of equipment will appear the total power level on the instrument RF PWR input See the attached figure SPUR 45 dBm 16 26 36 4045 Full span CCIR 856 Figure 12 SCAN mode power detection function This parameter indicates the total power that is being transmitted by the connected coaxial cable to the equipment in the band from 5 to 1005 MHZ The SCAN operating mode also allows channels to be programmed for use as pilots in TILT operating mode in the forward band see section TILT operating mode 3 16 April 2015 12 In the SCAN operating mode all channels are considered as analogue When the power of a digital channel is measured in this m
60. urement dBuV The second line shows the logger number 53 in the attached figure and the headings of the measurements V V A and C N The measurements taken are shown in the following format first column shows the channel the D indication on its right means it has been defined as digital see Edit Channel Plan function at section Global configuration menu the second column shows the level analogue channels or the channel power digital channels the third the V A ratio analogue channels an the fourth the C N ratio analogue channels or MER digital channels Turning the rotary selector you can see the rest of channels April 2015 12 lt a The time and date when measurements were taken appear at the end of the list of measurements in the following order hour minute second and month day year To return to the initial menu of the LOGGER function press LOGGER key 3 8 1 Datalogger configuration From the LOGGER mode when pressing the CONFIG key we will access to the configuration menu This menu permits to modify the THRESHOLD and MEASURES parameters To access to them turn the rotary selector and once the parameter we want to change is appears shadowed press it then turning it its value will be modified Finally press it again to validate the new value LOGGER CONF IG THRESHOLD OFF MODE ALW CH MER BER Figure 53 Logger configuration THRESHOLD It activates deactivates the measurement thr
61. ws the head of the columns that constitute the channel plan the first column CHAN shows the name of each channel and the second one FREQ the associated frequency in MHz The third column BW defines channel bandwidth in MHz The fourth column ON activates or deactivates the channel and the fifth ones DIG defines if the channel is analogue or digital In the case of defining the channel as digital the configuration page of parameters relative to QAM measurement will be accessed directly The maximum number of channels in a channel plan is 140 CCIE 3 58 FM dBul CHAN FREG Bu ALL CHY oH 08 LAS Do 20 CA4 62 20 S41 185 25 SHY 112 25 Figure 7 Channel Plan Editor The activation ON deactivation OFF of the channels affects to the following operation modes SCAN and LOGGER When a channel has been deactivated this one will not be able to be tuned nor to be measured This property allows to make agile the operation of the PROM AX 12 because it allows to activate only those channels in which we are interested April 2015 3 13 12 3 3 pm The Edit Channel Plan function allows to automatically activate all the channels defined in the channel plan by means of the ALL field on the third line When to the right of ALL we select ON all the channels of the plan will be activated otherwise if we select OFF all channels will be deactivated In order to activate deactivate a particular channel turn the rota

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