1. Manuals
  2. Communications Support
  3. 3M Support
  4. Intercom System Support
Support User Manuals
Question About 3M Intercom System 445AA
445AA D-20...

D20 looking for the jumper settings on the main board (78-8028-9241-0) there is (3) The mic or VOX does not work and 2 of the jumper are enabled. Any help would be appreaciated.

Asked by Tom on 05/07/2012 0  Answer

ManualsOnline posted an answer 12 years, 6 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual