Question about Radio Communications
The button is lost on my RM 430 hailing unit and I need a new one. It is gray about 3/4 in long and 3/8 wide. About 5-10 years old. Can I buy one without replacing microphone?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: transmission problem
A couple of things you can try:
1. Use electronic contact cleaner (spray type) on the PTT switch;
2. Use an external speaker/microphone and/or handsfree VOX headset
3. Replace the PTT switch. 4 solder points. Might not be easy but doable.
The last would require that you remove the defective PTT switch and use that as per sample when looking for replacement. Some printers uses the same type of switch. Familiarity with electronic components/circuitry, use of a DVM and a soldering iron would also be required.
Hope this be of some idea/help. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Posted on Jan 10, 2008
SOURCE: One way comm only
swap batteries if does not work this unit should need repair or replace, display blinking can be produced for power failure ( battery, contacts, circuits) or can be a controller issue.
Posted on Feb 14, 2008
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