iC-m59 Datasheet, PDF (32/36 Pages) List of Unclassifed Manufacturers – VHF MARINE TRANSCEIVER

7 TROUBLESHOOTING
PROBLEM
No power comes on.
POSSIBLE CAUSE
• Power cord not connected properly.
• Blown fuse.
SOLUTION
REF.
• Check the power cord connection.
p. 23
• Check the polarity of the power connection, then, p. 26
replace the fuse.
No sound comes from the
speaker.
• [SQUELCH] is rotated too far clockwise.
• Rotate [SQUELCH] counterclockwise to a suit- p. 8
able position.
No beeps sound even when a • Beep function is turned OFF.
switch is pushed.
• Set beeps to ON in SET mode.
p. 20
Sensitivity is low and only
strong signals are audible.
• [SQUELCH] is rotated too far clockwise.
• Antenna feedline or the antenna connector sol-
der has poor contact or is short circuited.
• Rotate [SQUELCH] counterclockwise to a suit-
able position.
• Check, and if necessary, replace the feedline or
solder the antenna connector again.
p. 8
p. 23
Transmitting is impossible or
high power cannot be se-
lected.
• Transmission is restricted on some channels.
• Change channels.
p. 29
Desired channel cannot be
selected.
• Different channel group is selected.
• Push and hold [CH/WX • U/I/C] to select the ap- p. 7
propriate channel group (U.S.A., INT or CAN).
No display backlighting.
• Backlight function is turned OFF.
• While pushing [HI/LO • DIM], rotate the channel p. 11
selector to select the desired brightness.
Scan does not start.
• No “TAG” channels are programmed.
• Set channels to be scanned as “TAG” channels. p. 10
Receive signal cannot be un- • Voice scrambler has been turned OFF.
• Install the optional UT-79, then activate the func- p. 8
derstood.
• Voice scrambler code has not been set correctly. tion.
p. 20
• Reset the scramble code.
28