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Hantek2000 bugs and wishes (2c42,2d42,2c72,2d72)

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Post time 2018-12-30 02:04:23 | Show the author posts only Reply Awards |Descending |Read mode
Edited by AxGxP at 2019-12-13 07:00

Fixed firmware avaliable:


My Hantek2c42 often doesn't pass the calibration. It freezes on it! I wait for more then 5 min, nothing changed. Fixed!
A problem also with DMM. In "DC mA" is not zero even when i cross the probes. It always show 0.02-0.05 mA, without probes also. Fixed! (the flux between +battery (J1) and shunt resistor 1 Ohm wasn't washed)

Please make some changes in the new firmware:
0. Add some functionality to export saved oscillograms to PC.
1. Add Menu hide (toggle) on second pressing "Menu", "Trig", "Channel", "Time". (MyFix)(HantekHTXAxGxP0001)
2. In Channel mode change LEFT<->RIGHT buttons, in Time menu UP<->DOWN! (MyFix)(HantekHTXAxGxP0001)
3. Add horizontal scale settings during operation. At least option to see all the signal on the screen but not a part of it! (somesing like 1:1 or 1:10 in analog scopes)
4. Make working icon about channel coupling AC,DC, Gnd. (~,–,x). Fixed! (2019022001)
5. When menu is hidden. Make changing of arrow buttons usage: "F1" - CH1 changing, "F2" - CH2 changing, "F3" - trigger changing, "F4" - time changing. Without showing this menu! Only arrow buttons function changing! (MyFix)(HantekHTXAxGxP0001)
6. Change word "Double" to "Both" in triger edge selection.
7. DMM Buzzer mode. Bug with sound, after shorting it say "Pi-pause-piii" but not single "Piii". Very slow measurement near 8-10 sec before value is stopped. It better to mesure voltage, not resistance.
8. In "Trigger" mode change buttons "<-" and "->" form changing trigger level to changing trigger position, like it does in "Time" menu.

What about adding some new not documented features, for example X-Y mode etc. Can it be possible? Fixed! (X-Y pressent in2019030201)











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Post time 2019-3-31 07:14:57 | Show the author posts only
Hello!
It would be very cool if you will add software support for TF-card and ESP-12 (ESP8266) Wi-Fi module for those who can independently solder these elements to the provided places on the printed circuit board.
Thanks for your work.
Thank you in advance.

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 Author| Post time 2019-12-4 23:00:10 | Show the author posts only
what about make menu hide on pressing "Enter" or "Menu" second time?
Change button Left<->Right in Channel Mode (voltage/division)?
Change button Up<->Down in Time Mode (seconds/division)?

Is it so hard to make this changes?
Please! Do it!

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Post time 2020-12-26 10:40:51 | Show the author posts only

艾米同志!类似汉泰DSO和2000系列产品,严重依托软件才能工作的手持示波器,每解决一个问题或软件上的改进,都应该写一个说明,详细讲述新版本改进、增补或弥补那些不足。也好让我们具体使用者有一个选择,比如你们所提供的改进版本软件,我们根本就遇不到,那就可以选择不升级了,必定每次升级很麻繁还胆战心惊。艾米同志!你说呢?

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Post time 2020-2-20 04:52:07 | Show the author posts only
I would like to see a trigger delay added to the 2d72

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Yes, "Holdoff" function is a must even on basic oscilloscope, otherwise it unusable on many cases :(  Post time 2020-5-22 00:48

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Post time 2019-5-30 01:24:18 From the mobile phone | Show the author posts only
I wish thre was a way to load Arb1/Arb2/Arb3/Arb4 waveform generator from a file in the Software.

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Post time 2019-4-1 23:04:01 | Show the author posts only
1937 replied at 2019-3-31 07:14
Hello!
It would be very cool if you will add software support for TF-card and ESP-12 (ESP8266) Wi-F ...

Hi!
I consider this idea justified and I propose to implement it. Thank you.

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Post time 2019-1-4 10:20:11 | Show the author posts only



About the calibration problem, please refer to the following post and download the latest firmware to update.
https://www.eediscuss.com/forum. ... amp;extra=#pid16428

About the "DC mA" problem, please connect two red and black pens to the mA test ends and shorten them, what is the current value displayed?

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 Author| Post time 2019-1-5 20:28:58 | Show the author posts only
Edited by AxGxP at 2019-1-6 12:23

Done. Verification OK.
Seems the calibration freezing been fixed, thank you.

But something wrong, firmware version didn't changed. Is it OK?
"Menu">"Sys Info"
SOFT : 2018120601
PCB: 0000000001
FPGA: V02

Can you tell me something about my wishes, will you change it, how fast?
I need more information to make nice video overview about it (in russian).

May be you need some help with programming?
Contact me freely by email.



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 Author| Post time 2019-1-18 04:36:19 | Show the author posts only
New bug found!

Cant measure more then 399V DC or AC in DMM mode.
Drop voltage in diode mode maximum 0.999 V.

Fill it be fixed? And when? What about other my questions?

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 Author| Post time 2019-2-5 06:30:57 | Show the author posts only
AxGxP replied at 2019-1-18 04:36
New bug found!

Cant measure more then 399V DC or AC in DMM mode.

399V problem is solved. Resistance measurement was with error.
There was burned resistor R15 (1k).
It was a little brownish, and was changed to new one.

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Post time 2019-2-13 09:40:47 | Show the author posts only
AxGxP replied at 2019-1-18 04:36
New bug found!

Cant measure more then 399V DC or AC in DMM mode.

Sorry, there is a mistake in the manual about the drop voltage in diode mode. It should be 1V

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Post time 2019-2-13 10:47:41 | Show the author posts only
关于bug的反馈:
二极管档测量LED灯,灯不亮,不显示导通电压。二极管,三极管测量很鸡肋。
万用表功能经常处在假死状态,比如测量电阻时,偶尔用手碰一下,或者立马换一个电阻,就会像是死机一样没反应,需重新按键激活。
示波功能:采集刷新太慢,表现为:测试晶振时,正玄波不圆润,变形,同时频率显示不停的变化幅度太大。

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Post time 2019-2-15 16:05:39 | Show the author posts only
Edited by amy at 2019-2-15 16:06
罐头瓶子 replied at 2019-2-13 10:47
关于bug的反馈:
二极管档测量LED灯,灯不亮,不显示导通电压。二极管,三极管测量很鸡肋。
万用表功能经常 ...

二极管只能测试1V导通电压,发光二极管导通电压大于1.6V了,点不亮。
测电阻和刷新太慢,请先参照下面的帖子升级固件和FPGA
https://www.eediscuss.com/forum. ... e=1&extra=#pid16427
https://www.eediscuss.com/forum. ... e=1&extra=#pid16427

如果还有问题,请拍视频给我们

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Post time 2019-2-18 08:37:52 | Show the author posts only
amy replied at 2019-2-15 16:05
二极管只能测试1V导通电压,发光二极管导通电压大于1.6V了,点不亮。
测电阻和刷新太慢,请先参照下面的帖 ...

有什么方法请告知,把二极管测试提高到2-3v。我接受改装,这个功能在维修工作中占据着很重要的位置。
还有下面的问题:
1:就是设备连接到上位机以后,拔下来,示波器会初始化为出厂设置。
2:示波器的波形,测试晶振波形时,不是很圆滑的正弦曲线,感觉有点变形,且可以看到频率在一直的刷新。一般示波器测试12m,基本上就是12.或者多一点点,很稳定的数字,这个示波器就是11m--12多,这样不停刷新。
最近没怎么使用,忙完这段时间,深入使用后,我通过微信发送售后,总体来讲此款示波器做的是比较符合需求的,开关机速度,人性化,上位机,功能等。需求做的没什么问题,很符合使用需求。只是细节方面希望更提高一点。

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Post time 2019-2-22 08:39:11 | Show the author posts only
Edited by amy at 2019-2-22 08:41
罐头瓶子 replied at 2019-2-18 08:37
有什么方法请告知,把二极管测试提高到2-3v。我接受改装,这个功能在维修工作中占据着很重要的位置。
还 ...

把二极管测试提高到2-3v,这个硬件就完全不一样了。

如果必须这个功能,您可以考虑DSO1000B系列,这个可以点亮发光二极管。

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