I have a PM400 UHF model # M50SPF9AA3AN firmware R03.01.00 programmed with Commercial Series R05.12.
Added a new channel set with low transmit power.
I key the radio and get a straight tone that ends after about 2 seconds. After the key is released, I hear a tone similar to the low battery tone given out by our HT1000 when the battery is low. The transmission inbetween the tones is loud and clear.
I dont get the tones on any of the other channels.
ANy ideas?
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PM400 UHF tones
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