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    APX4500 screen blank on startup

    Hi, We have a couple of APX4500 Motorola mobiles and one of them is working fine, but the other doesn't seem to start up properly. During startup, there is no "APX 4500" banner and then the display is all white. The zone up/down look like they still work and I could get to a channel that would...
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    Blanking Receive to Transmit

    I searched and couldn't seem to find anything on this so please excuse me if I overlooked a thread on this already. How are you guys accomplishing receive blanking during transmit (on separate but co-located radios)? I have an amplified receive antenna feeding several receivers (AOR 8200 mk3...