PNI PMR R80 PRO Manual Del Usuario página 11

You cannot communicate with other
PMR users
You can hear other users but they
cannot hear you
The other users receive you
intermittently
Check if you are using the same
channel or if you are using the same
CTCSS/DCS cone as the other
users.
Check if you are not outside the
communication range of the radio.
Check if you are using the same
channel or if you are using the same
CTCSS/DCS cone as the other
users.
The signal is too weak. Too big a
distance between users.
The radio's microphone may be
faulty. Call a service center.
11 User manual