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HP8924C MMI Button Problem

This forum exists for the purposes for discussing service monitors (This includes but is not limited to Motorola, HP, Aeroflex, GD, etc). Additional topics allowed include test procedures, interpretation of test results, where to find information about specific tests, antenna VSWR, return loss testing, duplexer and filter alignment, etc.

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HP8924C MMI Button Problem

Postby Jatla » Mon Jan 02, 2017 4:02 pm

I have this issue with the buttons not working on my HP8924C. The Knob works to navigate the screens, but none of the buttons have any effect, nor does pushing the knob to make any selections. I can move from field to field but can make no changes, or switch any functions; AF, RX, Tx etc.

I have tried reseating ribbon connectors and such from the Man Machine Interface to the mainframe.

Any Ideas?
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