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Hantek HDG2002B AWG: 5Mhz or 100MHz? Let's see!
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idpromnut:

--- Quote from: tinhead on May 21, 2014, 02:20:33 pm ---
--- Quote from: idpromnut on May 21, 2014, 01:49:02 pm ---@tinhead: nice SA screen caps, thanks for that!

--- End quote ---

they has been made by RFasic, i only re-posting them

https://www.eevblog.com/forum/testgear/hantek-hdg2002b-awg-5mhz-or-100mhz-let's-see!/msg447032/#msg447032

--- End quote ---

Doh! I thought they looked a bit familiar ;)
tinhead:
and btw, i don't have any HGDxxxx here, i'm running only firmware dump of such AWG on S3C2416 dev board (with no FPGA/DAC), so all i can tell/do are things related to the SoC/firmware, but not to the performance of the AWG.
idpromnut:

--- Quote from: tinhead on May 21, 2014, 03:03:18 pm ---and btw, i don't have any HGDxxxx here, i'm running only firmware dump of such AWG on S3C2416 dev board (with no FPGA/DAC), so all i can tell/do are things related to the SoC/firmware, but not to the performance of the AWG.

--- End quote ---

Right, I think I remember you saying something to that effect already at the beginning of this thread.
fremen67:

--- Quote from: fremen67 on May 21, 2014, 10:26:08 am ---
--- Quote from: idpromnut on May 20, 2014, 11:45:34 pm ---
--- Code: ---./test_bkl on 105
--- End code ---

Poof the display popped back on! Of course on reboot it turned back off again. So after temporarily re-enabling the backlight, I went back into Utility -> System Status -> Startup and set it to Default, power cycled and boom, back in business no worries.   :palm:

--- End quote ---
Nice that you discovered that it was related to backlight :)
I also had the same problem but I solved it with the def.hsf file. I should have posted it before but It went out of my mind. I will try again this evening to see exactly how I did.


--- Quote from: idpromnut on May 20, 2014, 11:45:34 pm ---
--- Code: ---./test_bkl on 105
--- End code ---
Well I guess there are still a few bugs in the firmware  ::)   Please note that you can run into this bug REGARDLESS OF WHETHER YOU CRACK THIS FUNCTION GENERATOR OPEN OR NOT, and it has nothing to do with modifying the HDG2002. Except that if you don't crack it open after you do this, you seemingly have no way to recover.   :-//

--- End quote ---
I think we should investigate on how the firmware update process is working (like Tinhead did for DSO5000) so that we can have a way of backing up/restoring files... doing things from the front USB jack or SD slot without opening the enclosure.
Of course in that case it would be difficult to restore things easily that way but for this one, we could at least describe the blind "key push "sequence to follow in order to restore settings (I think we can do it without turning the knob, just with simple keys).

--- End quote ---

Ok, I tried again to modify the setup so that it restart with the last settings. On reboot you have indeed a beautifull but useless black screen. Then just push the "Default" key. This will restore (but not save) the settings so that the screen will appear again. Than you can change the option in the utility so that it starts on power on with default settings.
I will put a warning on the first page.

idpromnut:

--- Quote from: fremen67 on May 21, 2014, 06:20:21 pm ---Ok, I tried again to modify the setup so that it restart with the last settings. On reboot you have indeed a beautifull but useless black screen. Then just push the "Default" key. This will restore (but not save) the settings so that the screen will appear again. Than you can change the option in the utility so that it starts on power on with default settings.
I will put a warning on the first page.

--- End quote ---

 :phew: Glad there's a work around for that!
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