HP83640B OPTION H10 WHAT IS OPTION H10?
I found some information for you about this option. H10 is a Special Handling option, which means it is a custom modification that was specifically requested by a Keysight customer.
H10 removes a few things like the display and keys on the front panel, a reference oscillator, and the battery from the processor board.
Option H10 adds:
Hope this helps.
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