Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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Sparky:
New DS2000(A) series firmware: v00.03.00.00.00
tom66:
I have a DS1074Z I'm trying to unlock options on. I can unlock them, but have the broken 500uV range with "DSFR". Is there a code for all options minus 500uV?  I have searched the thread quickly with no obvious hints. Do I have to install separate keys?
Rigby:
use separate keys.  if the scope UI bothers you, enter them using SCPI.  If you don't know how to do that, it might be quicker just to fight the knob than to figure it out, I don't know.
seronday:
tom66,
   DSER is the code for everything except the 500uV/div.
Uninstall the DSFR key by using the SCPI command " :SYSTem:OPTion:UNINSTall " .
Then generate and install a new key based on DSER.

Refer to this post.  https://www.eevblog.com/forum/testgear/sniffing-the-rigol%27s-internal-i2c-bus/1951/
tom66:
Thanks, I did not see that. It is working now.
Great thanks to all contributors to this most excellent reverse engineering and hacking.
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