Operation Manual

37
(Continued from previous page)
Symptom Possible Cause Remedy
Squelch setting too high. Lower squelch.LCD looks normal but no sound.
Loudspeaker volume too low. Raise loudspeaker.
ANT connector (on transceiver
unit) is loose or disconnected.
Fasten ANT connector tightly.
Antenna has broken. Replace antenna.
Antenna cable is damaged or
immersed in water.
Lay new cable (50 ohm coaxial
cable).
Radio barrier (large vessel,
crane, etc.) in the signal path.
Noise but no or poor signal
reception.
Transmitter is too far away or
transmitting in low power.
Line-of-sight is a rule of VHF
communications. Wait until barrier no
longer exists or you are within
transmitting range of transmitter.
See items of “Noise but no or
poor signal reception.”
TX symbol appears but no or
low output power.
Power setting is “LOW” (1 W) Press the [H/L] key over one second
to display 25 W. Some channels are
programmed to operate at 1 W only.
See the list at the back of this manual.