Products > Test Equipment
HP / Agilent 34401A hidden menu
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dimmog:
i just acquired a very interesting edition of 34401A multimeter. It has some additional sub-menus in the sys menu. I attached pictures.
This meter can save their state and after next power-on it returns to this state. It has quite popular firmware 07-05-02 and hardware looks the same.
I wonder if anyone knows how to activate this sub-menu?
J-R:
Mine has 10-05-02 and I do not have that menu.
dimmog:
I have several 34401A with different firmware versions and they don't have this menu either.
NoisyBoy:
My two units have 11-05-02 and 11-05-03 (which should be the latest release).  The menu does not exist on them, it can be a handy feature, I wonder why it was removed.

I wonder if all meters with 07-05-02 has this feature.
joeqsmith:

--- Quote from: dimmog on September 11, 2020, 08:48:52 pm ---i just acquired a very interesting edition of 34401A multimeter. It has some additional sub-menus in the sys menu. I attached pictures.
This meter can save their state and after next power-on it returns to this state. It has quite popular firmware 07-05-02 and hardware looks the same.
I wonder if anyone knows how to activate this sub-menu?

--- End quote ---

Mine also has 07/05/02 and does not have these menus available (at least be default).  The service manual that came with the meter makes no mention of them.   
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