Products > Test Equipment
Hantek 2000 series - 2C42/2C72/2D42/2D72
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gf:

--- Quote from: Microcheap on May 15, 2019, 05:05:35 pm ---To change the BW  of your scope, you will need a ST-Link and then connect it to the device as described a few msg back in this same thread: https://www.eevblog.com/forum/testgear/hantek-2c422c722d422d72/msg2186756/#msg2186756
Extract the FW, open it with a Hex editor and look for the serial number in it, it will end with "-40" just change it to "-70" save and reprogram the flash memory. Now your handheld has a maximum BW of 70MHz.

--- End quote ---

Do you have evidence that the bandwidth of the 2000 series can be really changed w/o hardware modification? Besides the 20MHz BW limit switch, I'm not aware of any component in the analog frontend which would enable a variable bandwidth. Did I miss anything?

gf
IulianCioarca:
Does the 2D72 have autozero/REL mode for the multimeter?
laurentiumarian:
Hi Everyone, In short I have trouble with my 2C72 after FW updating as many of subscribers here, unfortunately. I followed the right steps for uploading the .bin file via USB/TTL converter successfully but the 2C72 device is still bricked. After reading some posts here, I think- having not so much experience in uC programming- the boot loader is missing or corrupt or whatever. Can you please help me with some hints?
Microcheap:

--- Quote from: IulianCioarca on May 22, 2019, 10:52:51 pm ---Does the 2D72 have autozero/REL mode for the multimeter?

--- End quote ---
No, I don't think this device has the REL mode.


--- Quote from: laurentiumarian on May 25, 2019, 08:56:49 am ---Can you please help me with some hints?

--- End quote ---
In the installation folder of the PC software (C:\Program Files (x86)\Hantek2xx2) there is a file named "rescure_en.txt" check it and see if it helps in your case.
dimkadm:
Hello,

Could you please provide the dump of 2D72 to flash the bricked device via St Link ?

Thank you!

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