Hantek Tekway Firmware 2.06.x bugs
Contents
1. PAL GM s0o ous m m MEVS Real Time Yn kaa a A yo pey M Grma l 1 i i J a Tru Tie Pee a nimm Ta a mn mu E om A Q20K sues CIM GZM BO eD ant and switch dual window mode to see artifacts like this P F Amr Jen kal ji Real Time A a AT E 2 Normal Averages LI Np E ye M O 20K OIM O 2M 11 In FFT mode the Display Grid option is not changing the grid it is always real line and not 7 possible to change to dotted line or off EA Te MAL RIM 2 00s WWW JW 2 00us Display 1 F a 12 In FFT mode Full span is higher than Nyquist sample rate 2 Example 800ns DIV sample rate is 200MSs full span 125MHz Easy to fix by enabling from 800ns DIV to 20ns DIV 1GSs sampling when 4k memory or FFT enabled AN E M 800ns m mE NU Konn SS ES E nn nn n n bL Lo LL E LL Ll OL Lo LL E Lo ft FFT 001 0 0321 1 B O0 O O VOP PEA A V A PA A RUN PEDE iii hd CIO bonn oo 3 500 001KHz 13 AC trigger indicator and line wrong Set ch1 signal DC coupled trigger AC coupled The trigger lowest level below signal AAA AT IM sons WWW JW soos J Trigger Edge CHI DE f Rising DJ Auto GAC GENER highest level only mid of signal NA E M soos S oum DJ Edge OIN af Rising Auto DAC an 1 00v CHI But bot2. automatically Any changes to Menu hide show with FO other Knobs like VO position or any Buttons e g push Measure button and again Cursor button is refreshing the S and E values in Menu Here example TB set to 80ns DIV cursor S to 0 0ns and E to 160ns RAZ aP Di 200ns Cursor X RENE Type D OFF Time OVoltage c Track Ego JOU TES oN CHI OCH loff COMATH off Wi Mi a ORef Blot fF Se lect cursor ce 0 0005 os L 0 00 OE 160 0ns dt 160 0ns 17 dt 6 25MHz CHI 2 48y 3 QOQO3MHz Then TB changed to 40ns DIV but displayed value for E still 160ns TR ud Z0 0ns Cursor X 7 Type GOFF G Yo ltage C Track SOURCE CHOHE err d OMATH off ORef A lof Ff CUR ee ene select cursor as 0 000s ILE ISI dt Ki 0 0ns 1 dt 6 25MHz St Now disabling Menu with FO f amp M 200ns WW 40 0ns EF T f 28 Nov 12 23 41 and enabling Menu again with FO The E cursor value is now having proper value 80ns L E 200ns 40 Ons Cursor 1000s 3 ege COMPE Time Voltage Track SOU FCE EE c Be loff OMATH Cof F RETA errr ORef Blot fF ice T Select cursor CS OO0s Wo GE 8 00ns dt 3 QO003MHz This was working properly the last time in firmware 110923 1 Request ad
3. a a a ri 4 ea awa a ave avem a a a L a a a a a ava v MJ V v mw wy L v GTOU mw v L L L a ava atra a a a era a a ava ALAAN a a atayata _ a ava a a SOU v z L US L MJ KJ LI w w P Un ava a amara ata ata a atra am arava a l LO YE l tl Aue a am arara a a arala v v v v v CL CL v v CL Ca CACNQPC l TOU CG RIT TIN e ava a a aia a a ava a a a a atra a a a a a am a ava L v MJ VA v v L J v v TATS GT OU CL alga a a a avew a Aue a araia a LLLA a a avTaWwaiaa a ava CL v LAN L v TJ MI wu L 17 The new function Wave is no working properly in some models There ismissing the directery Additionally there is typo in ARM source code SSSSssesseSeeSeSsSeSsSeSeseseeeseeSeeseSee Letwaveareatandbrignt Getw aveAreaGridkind Getw aveDispMode GetWaveS aveFileName GetWaveSign ype GetWaveSpecE xtreme al GetWin4reaBulDraw Start Getwin amp reaHeadT ail GetWinT extld GetWindowD ataYHeadT ail GetwindowStopModeParamDisp Getwindoww aveParam GetwindowwaveParamFromAcq Getwindoww aveParamFromAcqB ak Getwindoww aveParamFromAcqB ak2 Getwindoww aveParamFromAcqB ak21 Getwindoww aveParamFromAcqBak3 Getwindoww aveParamFromDisp GetwindowZoom GetWindowZoomF act GetWindowZooms Get_AutoMeasureW ave Get_CursorDelta Get DotNumPerVerticLine Get DstTypeNum Get FFTPerColPixelCnt Get FisedwidthStrLineY Len Get HelplDBy amp lias Get Helplnfo2Disp Get HelpPageContentBylD Get HelpPageContentlnfo Get HelpPagelnfoKeyword a hw
4. bug nr 27 or if still belongs to 25 26 While switching to Dual Window F7 if WTB lt MTB the MTB displayed value is not always set properly Up to fw 120423 0 it was working properly in 120808 0 and 121027 0 the MTB scale changed in a completely wrong way see bug 27 in fw 121208 3 following behavior This seems to be only issue when MTB lt WTB with MTB WTB it does works properly Example1 4k depth 5MHz signal 40ns DIV WTB Ze TIM 200 MW CU Acquire Real Time D Norma Averages 4 Os 2185 O84 0128 F On C201 ann ET 17 6v 5 00006MH2 now when we change with F7 to dual window the top window is showing wrong scaled waveform the resulting bottom zoom window showing as well wrong ar A enn 191 0 000 Acquire Real Time s Normal 40 Uns OQ 2M SNC iow CH 5 000060 when we turn now the Timebase knob one position up 200ns DIV is actually to max up position for MTB by 4k depth but by turning the know firmware is updating windows the waveform in top and bottom window is properly scaled A IM 200ns jS 0 000s Real Time IND CH Example2 40k depth 5MHz signal 40ns DIV WTB SWARM 007 ENMI 400us mmm W Acquire Real Time 40 Ons e Normal Se ouv MAN av JOE 5 000000 now when we change with F7 to dual window the top window is showing wrong scaled waveform the resulting bottom zoo
5. lattop O Rectangu lar O Bartlett O Blackman 0 00000Hz and here 500MS s but still 800ns DIV RAZ a JWA V H PH1 Api lsde le RU ERE H2 CH1 OU SE E O e EN 1 Window 3 Hanning OF lattop O Rectangu lar ti n Ww n i li i l Wi pute ili EU Itai O Blackman CH1 20 0dB LA 500MS s L i OUHz 40 Flash Drive directory listing in CSV Save Recall and DSO Setup Save Recall menus is showing maximum 10 files Additionally no option to scroll over the directory to choose other than one of the listed 10 files RAY d Wave X 5 0005 m 5 peration File list hantekSetUp 0 set hantekSetlp 1 set hantekSetllp22 set hantek setUp 3 set hantek setlp 4 set hantekSetlp 5 set hanteksetllp26 set hanteksetUp set hantekSetlup 28 set hantekSetlp 9 set oo ER 1 24v 1 QOOORKHz Source hantekWaveDatalU csv hantekWaveDatalil csv Uperation hantekWavellatal csv hanteklllaveDatal L csv hanteklllaveDatal 1 csv hantekWayeDatal csv hantekWaveDatal 4 csw hanteklllaveDatal 5 csv hanteklllaveDatal 6 csv hantekWay eDatas csv Recall Delete FileList List of workarounds by bug number I ve marked all workarounds with colors red bad one yellow sill bug but workaround exists green not a bug or don t care about Note these colors represents what think and feel Update Some of them already fixed 1
6. 0E 07 0 002 8 00E 07 0 000 12 00E 07 0 002 16 00E 07 0 000 29 Horizontal Position knob not moving display data Set Trigger to Normal when DSO not triggered the waveform horizontal screen position cannot be changed Once triggered it changing rapidly Another example set trigger to Single Seq and Auto while trigger in R ready mode waveform horizontal screen position cannot be moved Again once triggered it change rapidly In firmware 110923 1 this was working war MR EM 200 WWW lw 200us Trigger X Type Edge OVideo firmware 110923 1 Pulse QO slope OUT GAlter SOUFCE She OVER GXEXISE G ACKO slope yf Ris ean Falling Mode Auto Coupling OAC CNoise reject FR FE EE LIP peye but since few firmware version not anymore working same condition Horizontal position knob already turned few times but no move on screen war WAR TOR 1 WWW W 200us Trigger X Type c OVi deo Pulse O slope OUT GAlter SOU FCE om NETS WIE TEENS S DACKO 5 lape a f Risin ON Falling Mode CD Auto Coupling Ji OAC CNoise reject slp reject GLF reject 30 Cursor cannot be moved smoothly anymore Every firmware update is slowing down more and more the VO knob response In firmware 110923 1 every kind of cursor was easy movable in latest firmware 121027 0 is crazy slow stumbling while changing VO knob position 31 In RUN and STOP mode while changing Timebase the Time Cursor values S and E not refreshing
7. 2 Don t use help Run factory calibration only Edge calibration and after that self calibration This bug seems to be only valid for hacked models it does not exist on real 200MHz models on which the factory calibration was executed after 2ns DIV and other 200MHz features has been enabled Run factory calibration only Edge calibration and after that self calibration This bug seems to be only valid for hacked models it does not exist on real 200MHz models on which the factory calibration was executed after 2ns DIV and other 200MHz features has been enabled No Workaround available Well you can build your own SDK LabView what so ever support based on the already published information s http www mikrocontroller net articles Hantek Protokoll http elinux org Das Oszi Protocol There is no affordable workaround for now Changes to hardware are possible but expensive l ve tested Silicon Labs jitter cleaner Murata LDHxxx delay lines and a combination of other solutions was more than satisfied with achieved results expect the costs For now we have to use what available both manufacturers developed within last 2 years few FPGA design versions the best is from upcoming Tekway MST DSOs and Hantek Handhelds however they not allowing dual channel 500MS s sampling in long memory Hantek s bench DSO hw1007 83E9 design allows such faster sampling but the skew is still far from perfect did publish all these FPGA designs you c
8. Firmware 2 06 3 bug list Current firmware bold border marked Colors red bug light red minor bug orange sill something to fix but progress yellow almost there green fixed see description see description see description description description Partially fixed GPL released SDK some documentatio n shared see description description description progress but function disabled in this fw version Partially fixed GPL released SDK some documentati on shared see description progress but function disabled in this fw version Partially fixed GPL released SDK some documentati on shared see description progress but function disabled in this fw version Partially fixed GPL released SDK some documentati on shared see description BUG levels better but not yet 100 ok Partially fixed see description function function function disabled in disabled in disabled in this fw this fw this fw version version version See See description description description almost fixed see description description description Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this version Not exist in this
9. L sprintf loc 59154 CODE XREF GetWaveSaveFileName 5Gtj GetWaveSaveFileName 84t j SUB SP R11 4 LDHFD SP R11 LR BX LR End of function GetWaveSaveFileName off 59168 DCD p dso off 59164 DCD a hsw char xoff 59168 off 59168 DED aSDS DATA XREF GetWaveSaveFileName 26Tr GetWaveSaveFileName loc_ 598F8fr DATA XREF GetWaveSaveFileName 68tr GetilaveSaveFileName 9Ctr DATA XREF GetWaveSaveFileName 74tTr GetWaveSaveFileName Astr once the file extension is hsw and another time it is hws this is preventing the save reload from USB to work properly and even sometimes crashing DSO From the file format assume hws is the proper file extension name 18 The protocol inf file in every 2 06 03 firmware DSO5xxxB BV BMV and DSO1xxxB contains 19 20 21 22 23 24 29 error in the definition of TRIG SWAP CH1 PULSE TIME It is defined as 1 byte long but it should be 8 byte The firmware itself is using 8 byte only the protocol inf file is wrong The protocol inf file in ever 2 06 3 firmware DSO5xxxB BV BMV and DSO1xxxB contains error in the definition of ALT trigger The entries for ALT O T CH1 and ALT O T CH2 are missing TRIG SWAP CH1 VPOS 2 TRIG SWAP CH1 OVERTIME NEG 1 TRIG SWAP CH1 OVERTIME TIME 8 TRIG SWAP CH2 VPOS 2 TRIG SWAP CH2 OVERTIME NEG 1 TRIG SWAP CH2 OVERTIME TIME 8 Every 2 06 3 firmware DSO5xxxB BV BMV and DSO1xxxB contains error in t
10. an play with them to which is best for you But note do not do this when you own hw1005 DSO they can t be modified For those of you who don t know what this bug means Google for waveform interleave distortion and or Agilent 5989 5732EN This is improvement proposal and not a bug It has been removed from to do as not important This is a very unfortunate bug possible workaround is to use dual window mode or less memory depth both with disadvantages 10 11 12 13 Run 1 0065 85 E su MARE QA LE oa ka kak Sample E Edge Coupling cht LB 14 15 16 DC AC X m P ki hy K Ii LAW LF Rej Noise Rej DC Low Sensitivity M 50 0ns Chi J 1 64 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Neotebtecoat Not a big deal you can update the protocol inf file yellow as this is an bug only when accessing remotely need to be implemented properly in the firmware a pure protocol inf change is not enough yellow as this is an bug only when accessing remotely need to be implemented properly in the firmware yellow as this is an bug only when accessing remotely need to be implemented properly in the firmware yellow as this is an bug only when accessing remotely need to be implemented properly in the firmware No workaround it was never properly implemented now even c
11. ased Update FPGA design to match ADC skew timings in 125MHz 1GSs mode this is already known issue and listed in old issue list posting once again in this list as reminder FPGA design revision 83E8 sample rate 1GS s clocks skew must be always 1000ps Clock 8 gt Clock 1 1010ps Clock 1 gt Clock 7 1250ps Clock 7 Clock 2 550ps Clock 2 gt Clock 6 1230ps Clock 6 gt Clock 3 1000ps Clock 3 gt Clock 5 1280ps Clock 5 gt Clock 4 500ps Clock 4 gt Clock 8 1250ps FPGA design revision 83E8 sample rate lt 800MS s clocks skew must be always 1250ps Clock 8 gt Clock 1 1250ps Clock 1 gt Clock 7 1260ps Clock 7 gt Clock 2 1280ps Clock 2 Clock 6 1230ps Clock 6 gt Clock 3 1260ps Clock 3 gt Clock 5 1280ps Clock 5 gt Clock 4 1230ps Clock 4 gt Clock 8 1260ps FPGA design revision 83E9 not yet measured but Hantek statement It s impossible for us to achieve it now is not really optimistic ut s This was only proposal it has been removed from to do as not important I m fine with that as long other bugs would get fixed In single window sample memory gt 40k both channels ch1 ch2 enabled and time base from 400ns div up to 2ns div the position change fine and coarse control is not working Only scale is moving but not the waveform See attached picture to understand issue with 4k memory when changing position waveform is moving ANM fh M 8 00us Acquire X n 500 0ns n A SERE Type NO Eq
12. d Edge Trigger on both falling and rising edges simultaneously Debug symbols stab and stabstr sections removed stripped since 120423 0 from dso exe file Why that CSV Exported data if MTB from 40s DIV to 4ms DIV the amount of samples is wrong as well the displayed MTB value seems to be wrong Example 4k depth 4ms DIV gt CSV shows timebase 294967296 ps and not 4000000000 ps 40k depth 4ms DIV gt CSV shows timebase 294967296 ps and not 4000000000 ps 512k depth 4ms DIV gt CSV shows timebase 294967296 ps and not 4000000000 ps 1M depth 4ms DIV gt CSV shows timebase 294967296 ps and not 4000000000 ps 4k depth 8ms DIV CSV shows timebase 589934592 ps and not 8000000000 ps 1M depth 8ms DIV CSV shows timebase 589934592 ps and not 8000000000 ps 4k depth 20ms DIV CSV shows timebase 1474836480 ps and not 20000000000 ps 1M depth 20ms DIV CSV shows timebase 1474836480 ps and not 20000000000 ps The number 294967296 is nothing else than buffer overflow by 3999999999 589934592 buffer overflow by 7999999999 etc A quick check of SaveWaveDataToCSVFile shows the problem source sprintf timebase d ns r n is using 96d but think lld was supposed to be there to allow maximum of 40s DIV to be saved in pico seconds The RecallCSVDataToDispBuf need of course to be changed as well to allow read back of the CSV data longer than 2000000000 ps 35 remove
13. de O Ji Peak e 20 0X 28 Nov 1210 57 l TT Average klem Depth CO dk SIM OM i When the Acquisition would be stopped and restarted or Timebase changed one position forth and back while Main window is focused the Main TB and displayed data will be fixed to proper length no artifacts shown anymore RAL HAR RES SM 800us M KANPE 5 Ud O 000s 28 Nov 12 10 57 za Nov 12 10 57 Acquire X Type CEqu Time Mode O Ii Peak O Average Mem Depth CO dk O512k EI Acquire X Type J Equ T ime Mode O Ji Peak 2 IL Average Mem Depth CO dk SIM EI With 2 channels enabled this bug DOES NOT EXIST this is because the doubled Main TB value is exactly what it should be for dual channel view ANL 1 EY M 8 a Acquire X T ype Real Time E Egu T ime Mode D IL Normal O in Peak Mem Depth CHAK M4OK ORTAR oo OO Uam CHIL 640mV O0 Q00QOHz 28 Someone told me that there was problem in csv exported data no timestamp inside This seems to be fixed in 2 06 3 121027 0 Honestly see timestamp in scientific format but no idea if this is really fixed for me it s a bit strange when multiple data points are on same stamp e g steps are here in ns valued but then cut in format 1 58E 03 0 000 1 59E 03 0 080 1 59E 03 0 080 1 59E 03 0 080 If the smallest step is e g 40ns then timestamp for every point should be always in ns and not increasing 4 0
14. e position one position forth and back the second channel waveform will get displayed and LED gets on AE T EM 8 00s a ee CH SED a ken Coarse 10x ot OFF Lt 38 MTB Area indicator is blinking Select 40k depth or 512k enable both channels set WTB to 400ns DIV or 200ns DIV and watch the area blinking A EM 8 00us mm MEETS Acquire izi Real Time 2 Normal qmm mem s ara pom D Averages Vinn n verted KO OS A 210 O54 Q 20K OE MM COTM Q M O ED END E GR A T M 8 00us Wo JWE 200ns Acquire ORC TIME 2 Normal eta pat e aaa dete tp ap Averages asy ftat oed ed UEM e I dies al hi lame l 018 O64 2129 bi Q20K 9 40K O1M Q2M EN 20 0v anm SEED 1 00001 MHz 39 Within FFT the information in status bar is not always showing the proper sampling rate sometimes even jumping from proper to bad value As the FFT cursor is taking in count the sampling rate the measure value might be not correct Example random values in 800ns DIV FFT here 100MS s w PAT 1 REN LI ons VV Wi ons Math X 62 5MHZ peration CH2 CHI CH1xCH2 OT BEL GE O BE GHI O Rectangular Bartlett O E lackman 0 00000Hz then 250MS s but still 800ns DIV vw PAT 1 REN EM 800ns MW IW 800ns 62 5MHZ peration CH2 CHI CH1 xCH2 OCH ACHZ OCH2 CHI 2 Hanning O F
15. e then updated to proper value 40 Ensurethatnemere thant file onthe Flash Drive
16. following automatic 20MHz lowpass filter while changing from 5mV DIV to 2mV DIV the user can enable it if he she need it automatic lowpass is annoying if Volt DIV already 2mV DIV 20MHz lowpass off while changing Memory Depth this one is really annoying user have to go back to channel disable filter go back to acquire menu to continue to work 36 If possible change the Frequency Counter to display in mHz resolution when counter value between 1Hz and 99 999kHz 99999Hz If not possible change displayed value to cut trailing zeros when there is no mHz no need to see zeros instead e g 10Hz should be shows as 10Hz and not 10 0000Hz This might be sometimes very confusing for the user imagine e g frequency of 32 768Hz the counter will show 32 000Hz and Wave measure 32 76Hz A RAE TI ML 8 00ms WAWWAAAWWW W 8 00ms Measure X O 000s Frequency k d oo Period 30 52ms Mean 1 60V Pk Pk 2 96V klirnimum 80 0mV Maximum 3 04V Pu lse Width 15 28ms Rise lime EP 02000 on Oe zv Modify 37 With Long Memory enabled 40k 512k 1M 2M when the WTB is 400ns DIV and lower up to 2ns DIV when enabling second channel the indicator in status line will be already displayed but the waveform is missing Additionally the CH2 LED is off 40 0us WW IW 400ns CH2 Sum BE Limit 0ff E Coarse w 10x E as Barr But after changing Timebase or wav
17. h should look like when trigger coupled in DC mode RAZE VIT Gi IM 800ns WWWW jwi 800ns m Edge CHI w F Rising Auto Ca L CHIF 4000v 3 6 00000Hz Wd MP LT ah M soons J WWW j soos Trigger Edge OUI a F Rising 14 9 Auto w DC nn b s lg 2 40 500 007 14 Dithering interpolation filter of waveform too sharp When enabling both channels this also occurs in single channel mode and 1GSs but test signal need to be higher to get same error and applying for example 16MHz square wave the waveform is switching between proper square f Joins 20 0ns Menu 2 Mar l2 16 46 and crippled square every second A PAE J f amp M 400ns AMAA Menu 2 Mar l2 16 49 15 Display Time base scaling strange behavior When you apply e g 1kHz signal set time base to 80us DIV and move the waveform to 500us DIV bug only in 4 40k memory depth SS WAT ISTIS E IM 80 0us W 80 us Ji CH G at AC L x Limit OFF a JLoarse Gn Off rds en 0 007 JE 1 00000ktiz When you now change time base to 40uS DIV the falling edge which should be still in the middle of the screen has been moved to 454uS position but it should stay on 500uS The same happens of course with 20uS DIV F M 40 0us W 40 0us CH1 x EROS Coupling O 5e DC OAND 2 MHz BW OQ 20 Limit On Volts Div OFine Probe 1 X a ava a l Z no L
18. he Trans DSOeachData and Trans PCeachData functions The g FFTWin table is defined too small due this SYSData FFT status is having only 0x00 hanning 0x01 flattop Ox02 rectangular Barlett and Blackman are missing always sending 0x00 and 0x01 instead of 0x03 and 0x04 In every 2 06 3 firmware DSO5xxxB BV BMV and DSO1xxxB in SYSData definition the field for FFT Vrms is missing only dBrms available Every 2 06 3 firmware DSO5xxxB BV BMV and DSO1xxxB contains error in the Trans DSOeachData and Trans PCeachData functions The g MSItem table is defined too small is having only OxOB size but since year there are 22 measurement s available Equivalent sampling not working properly got told that there is no room for improvement the firmware is running with full speed Honestly don t believe that but for now would say fix other bugs first Waveforms in memory in some combination of Timebase and memory depth in display memory and exported data having at begin or and end of the waveform random data Also the buffer length seems to be not as it should be e g 4100 instead of 4000 samples This error seems to be in all firmwares since Mid December 2011 UPDATE Exported csv checked other formats not because they not documented nor open data seems to be fine Display data seems to be fine for Normal and Peak sampling in average probably still some issues not sure if this is now related to
19. m window showing as well wrong MAL EM 400lus Wi 0 000s Acauire Acquire Real Time ISSN CH when we turn now the Timebase knob one position up 4us DIV is actually to max up position for MTB by 40k depth but by turning the know firmware is updating windows the waveform in top and bottom window is properly scaled A PAE J Te M 0 Dus 7 0000s Acquire Real Time Ca Normal D O CHIF 17 6V 5 5 00006MHz 27 While switching from single into dual window mode the main timebase is changing with a wrong factor e g from 200ns DIV in single into 400ns DIV in dual window mode Similar issue in 40k 512k and 1M in dual window the MTB is twice that high as before in single window mode Due incorrect timebase the display buffer is showing artifacts on both right and left side of the waveform end of buffer Example CH1 enabled 40k memory single window and windows timebase smaller than main timebase here 400ns DIV Main TB is 4us DIV for 40k war IA amp M 4 00us JWI 400ns Acquire X Type J Equ T ime Mode O Ji Peak D Average Mem Depth O 4 bl 2K COTM Now when switching to dual window the Main TB is changing to wrong value here from 4us DIV to 8us DIV actually it will be always doubled in length and artifacts from end of buffer right and left in top window are shown SSVAF 1 PA EM 8 00us ERO Acquire X Type JEqu T ime Mo
20. ompletely disabled a am Min a LE avatara a a KA A I V J y annoying bug l can t understandwhy there4s no QC See bug description ALO am ava am ammarva am ala am LI AA VV wu LAT VJ CA NA AS VA TNA Mk J M V NJ CA A VV U J INT m fih DA a a araia a ava a i aV o a ena ava atara a n ava n n n aia ava n AS VV M LA JA V Ay KA LAN KA J WN V V LJ VV L LAN OU KA L KA KA V V L e e e e section above Update fixed disHienerstiferacwetisietericaacverien fertestiae eah This is no in production firmware as well very annoying bug Switch once focus from minor bottom window to major top window window by pushing timebase knob down turn then timebase one position fort and back to get rid of waveform artifacts on left and right side of the waveform Nothing te say here Nothing to sayhere Simply set Screen Refresh Rate to 40 or 50 Frames s Display Menu gt Page 2 gt Refresh Rate Nothing to say here Nothing tosay here Nothing toe say here We could patch it with Hex Editor from 96d to 96lld to allow CSV export but import need to be changed in source code to work properly so would say let s wait for official fix Not a bug but really annoying thing 36 Not a bug but who need to see trailing zeros 37 Turn Timebase knob one position forth and back 38 This is funny bug isn t 39 Turn Timebase know one position forth and back in most cases the Sampling Rate within FFT will b
21. s text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text DCB hws 0 UUUAL 0004 oooc OO0E 0001 Done OOOE OOOE ODOC oona O00 0003 0003 0003 O00 O00z 0002 0003 0007 0007 0006 0006 oooc 0006 0007 O00 000E 0002 0002 0002 0002 0002 text 66659116 text 66659114 text 66659118 text 6665911C text 66659126 text 66659124 text 66659124 text 66659124 text 66659124 text 66659128 text 8805912C text 66659134 text 66659138 text 8805913C text 66659146 text 66059144 text 66059148 text 6665914C text 66659156 text 66659154 text 66659154 text 66659154 text 66659154 text 66659158 text 6665915C text 8885915C text 8805915C text 8805915C text 88859168 text 80059168 text 88859165 EI text 888059165 text 88059164 text 888059168 text 888059168 text 080059168 LDR R1 aSDS 45 40 S LDR R2 aParamSavWave s param sau waue sau MOU R3 R12 BL sprintf B loc_59154 loc_59124 CODE XREF GetWaveSaveFileName 4Ctj LDR R3 p_dso_4 LDR R2 R3 MOU R3 6x1198 LDR R12 R2 R3 LDR R3 a hsu mE STR R3 SP Oxi4 var 14 LDR RG R11 s w LDR R1 aSDS esedes LDR R2 ahntSdWave sau mnt sd waue sau HOU R3 R12 B
22. u Time Mode o f lO fly Peak O Average Mem Depth O40K OS5T2K with 40k and above when moving changing time base position waveform is NOT moving when in RUN mode but works in STOP mode WIRE IAT 3 200ns Acquire X Type O Egu T ime Mode Sh Peak O Average Mem Depth 4k 9 Insingle window mode sample memory 40k both channels ch1 ch2 enabled while switching to dual window mode artifacts on screen and DSO later crashing and not responding Artifacts disappear when changing timebase just after switch to dual window so just an init error Set like on picture RAL ia E M s800us A WW O w 200s ji Acquire w Real T ime quias a pir II M C FI cl Averages Pi k PC a J TE U a ge nn T p m a alaa A I I ie mo Y 4j iel EOS Ge E S 1 2n OQ 20K 1M O2M Mi o 500 T and switch dual window mode to see artifacts like this FISCH 9 0 000 Acquire j vn Mi Ho Real Time Normal ik n n CH1 y 10 In single window mode sample memory 512k both channels ch1 ch2 enabled when ary Averages 1 2 28 x Q 20K S in O ZM gt CA tal LPS switching to dual window mode artifacts on screen and DSO later crashing and not respondin Artifacts disappear when changing timebase just after switch to dual window so just an init error Set DSO like on picture
23. version Not exist in this version Not exist in this version Not exist in this version List of bugs improvement requests n dt Select any of the new functions like Printer Cfg Option Wave any many others push HELP button on the front panel and the DSO is crashing and not responding anymore Apply test signal do auto setup to trigger properly Set time base to 4ns DIV change Acquisition mode from Real Time to Equ Time hide menu by pushing FO turn time base knob from 4ns DIV to 2ns DIV and DSO is crashing and not responding anymore This bug seems to exist only on DSOs where the factory calibration not self calibration is somehow invalid After user executed factory calibration bug disappeared Is there something in chk1kb 091023 which can be changed to fix that User executed factory calibration is not an option Apply test signal do auto setup to trigger properly Set time base to 4ns DIV change Acquisition mode from Real Time to Equ Time hide menu by pushing FO When menu hidden you can see artifacts on the right side of the screen They don t need to be there This bug seems to exist only on DSOs where the factory calibration not self calibration is somehow invalid After user executed factory calibration bug disappeared Is there something in chkikb 091023 which can be changed to fix that User executed factory calibration is not an option Digital Filters to be implemented SDK to be rele
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