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In message <camqqfuk0athhcx6waqqczn3vvnstcqej7+yz8ppc2pkqvkj...@mail.gmail.com>
, Didier Juges writes:
>The issue is that the RAM battery is due to be replaced about now and it is
>my understanding that it is A LOT cheaper to replace them before they are dead.
>So I may need some advice as to what is the best way to do that.
You want to make a backup-copy of the CALRAM via GPIB before you do
anything with the hardware.
There is code to do here:
https://github.com/bsdphk/pylt/blob/master/hp3458a.py
And somebody else has turned that into a windows program too.
The ugly detail is that it is tricky to download the contents again
via GPIB, basically need to download a M68K program and execute it.
But make the backup copy of the CALRAM no matter what, it can save
you the cost of a calibration.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
[email protected] | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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