I have a Motorola cp200d radio that will transmit and receive fine with nothing plugged into the accessory jack and with an external speaker/mic plugged into the jack. However when I plug in my headset that works with all of my other radios, it will only receive but not transmit. Any help is appreciated.
A few things come to mind: 1) Be certain your radio is turned off when plugging in an audio device. This insures they are pairing properly. 2) Be certain the audio device is plugged in all the way to the click position. You should feel a slight click when it is seated properly. 3) If the jack on this radio is slightly wobbled out from audio devices being plugged and unplugged the headset's plug may not be touching the sweet spot to make transmitting possible. Press slightly to the side on the plug's grommet to see if it works. If this is the case, trade headsets with another unit and see if you still have the same problem. Sometimes it is as simple as playing musical chairs with audio devices. 4) If you are using the radio in digital mode, not all audio devices will work. Check with your Motorola dealer to see which audio accessories will work with your unit in digital mode. (They will have a digital emblem stamped on them.)
SOURCE: using headset jack - unit always transmits
Try plugging in headset BEFORE turning on radio. You should see the word VOX (not iVOX) on your display. At least this is what works for me.
SOURCE: not transmitting or receiving when plugged in
The head set is stuck in Transmit. try shutting off the radio and then plug in the headset then turn on the radio. some radios can since the presence of accessories but the accessories must be connected before powering on the radio.
SOURCE: Transmit button on the lapel mic will not key the radio
Two things which come to mind, one would be if the PTT on the remote mic is bad/defective, second would be you are plugging the audio device in with the radio turned on.
If your remote mic is failing, the PTT is a repairable item, as is the cord on most models.
SOURCE: I have two motorola cp 185 radios. I was using
your unit is stuck in the external mic mode. when external mic is engaged, it automatically re-routes input to the external device. this situation can happen if such an external device has not been used on the unit in a long time. i would consider this a hardware issue rather than software. solution may be to open (dismantle the radio) and clean at the interface / jack for the external connection. this should sort it out.
regards
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