-> I was using one of my IC-02at radios the other day (for packet) and
-> noticed that I was not receiving any responses to my packets.
->
-> I pulled out the plug that goes into the earphone jack and found
-> that there was no audio. I thought that the problem might be with
-> the battery, so I hooked it up to the 12-volt supply. Using this
-> source (or a BP-7 13.2v battery), I found that I do get some
-> low-volume audio. However, it is not enough to be useable.
->
-> Does anyone recognize this symptom (voltage-dependent volume) and
-> have any idea what the solution might be? Thanks for any help you
-> might have.
  I suspect the Audio Output transistor or chip has died since there
is audio but at a very low level.  I personaly woud concider a IC-02at
as a poor radio for Packet. Because of it's massive minaturization it
does not have very good "Continous Operation capabilities" and a session
of heavy packet traffic could overload it.
--- GEcho 1.20/Pro
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