Products > Test Equipment
DG4000 - a firmware investigation
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KedasProbe:
I just got an accurate 10MHz source (Leo Bodnar, Mini) and I thought about calibrating the freq of my DG4102  (not hacked, yet, FW1.07 HW1.01)

In the manual they mention:

--- Quote ---Warm DG4000 up for at least 30 minutes. Press Utility Test/Cal
Secure Code, use the knob and direction keys to enter the correct password, press
Secure and the calibration safety protection turns off.
--- End quote ---

Do we know what this secure code is? (I didn't find it in this thread?)

The internal frequency is only off  by 1.2Hz too low though.
Orange:

--- Quote from: KedasProbe on November 04, 2023, 05:35:26 pm ---I just got an accurate 10MHz source (Leo Bodnar, Mini) and I thought about calibrating the freq of my DG4102  (not hacked, yet, FW1.07 HW1.01)

In the manual they mention:

--- Quote ---Warm DG4000 up for at least 30 minutes. Press Utility Test/Cal
Secure Code, use the knob and direction keys to enter the correct password, press
Secure and the calibration safety protection turns off.
--- End quote ---

Do we know what this secure code is? (I didn't find it in this thread?)

The internal frequency is only off  by 1.2Hz too low though.

--- End quote ---

Secure code is 2010 - this will enable the Test/Cal Submenu on the DG4062/FW 00.01.04
KedasProbe:
I got access to the calibration menu and tried to update the frequency but something isn't right.
When I press the up or down button it adds a lot of jitter so I didn't press save.
Pressing the other button doesn't restore it to what is was. (1 up + 1 down should have changed nothing)

It stayed in this bad situation until I power cycled,  I didn't press save.

I'm just going to keep my 10Mhz attached to it.
I only find it annoying that it changes the 10Mhz ref input to output without asking my OK, if it doesn't see a signal.
It would be ok if it also switch back to external when it sees a signal. (power on delay)
So it's very easy to end up with two signal outputs connected and not be aware of it. (not good for my reference output)
(I used my DHO914S Gen to see what it did since I didn't want to risk my 10Mhz ref)

Yellow is my stable reference, triggered on blue = Out CH1 of DG4102
KedasProbe:
Anyone know where I can find the odler firmwares for the DG4000?

I need an older one to be able to upgrade starting from 1.07
On the Rigol website they say contact Rigol in case of an older firmware but they just ignore my email.

I understand that I need to upgrade the bootloader first before I can update to the latest versions.
RoGeorge:
Have you tried the modified .GEL, from TV84 in this post:  https://www.eevblog.com/forum/testgear/dg4000-a-firmware-investigation/msg2828866/#msg2828866
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