Kenwood TH-255A Marine Radio User Manual


 
74
TROUBLESHOOTING
The problems described in this table are commonly encountered
operational malfunctions and are usually not caused by circuit
failure.
Problem Solution
Nothing appears on the display
when the transceiver is switched
ON, or the display is blinking ON
and OFF.
The battery pack is discharged.
Recharge the battery pack or
replace the batteries.
Most keys and the Selector do
not function.
Transceiver Lock function is
ON (the “ ” icon is visible).
Press
[F]
,
[MUNU]
to turn OFF
Transceiver Lock.
The transceiver is in Channel
Display Mode. Press
[PTT]
+
[MR]
+
Power ON
to exit Channel
Display Mode.
You cannot recall any memory
channel.
You have stored no data in any of
the memory channels. Store the
desired frequencies in the memory
channels.
You cannot select the exact
desired frequency using the
selector.
The current frequency step size
does not allow the frequency to be
selected. Select an appropriate
frequency step size. Press
[F]
,
[3]
to change the frequency step size.
Programmable VFO frequency
range is too narrow. Expand the
frequency range in Menu No. 1
(P.VFO).
Increasing the Volume control
does not allow you to hear audio.
The selective call function (CTCSS
or DCS) is ON. Turn OFF the
selective call function.