Question about Motorola MU21CV (1 Channel) 2-Way Radio
The codes and chanels match but one of the units can not be heard as though the mike does not work. Can I solve or trouble shoot?
Check your programming by holding in the PTT button while turning on the radio. The first announced number is your frequency. Press the MONITOR button, and then it will announce your code. Press the MONITOR button again finish. Then shut the radio off and back on for normal operations.
If the numbers on your radios do not match, you can use your PTT button to change the number it has announced. Press the MONITOR button to lock in your new setting after setting the frequency and/or code.
Final thought, check your mic hole on the face of the radio to be certain is does not have debris or tape over it.
Posted on Mar 04, 2009
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Posted on Jan 02, 2017
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