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18
MAINTENANCE
76
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Frequency cannot be set via
microphone.
• The frequency lock function is activated.
• The microphone keypad lock function is acti-
vated.
• Priority watch is paused on the watching fre-
quency.
• Push and hold [
(VFO)
LOCK] to deactivate the
frequency lock function.
• Push [FUNC], then [
A
16KEY LOCK] to deacti-
vate the microphone keypad lock function.
• Push the selected band’s [
(M/CALL)
PRIO] to re-
sume the watch.
p. 16
p. 16
p. 48
Some memory channels
cannot be selected via the
microphone keypad.
• The input channel number has not yet been pro-
grammed.
• Rotate the tuning dial to check whether the
channel has been programmed or not.
p. 32
Scan does not operate.
• Squelch is open.
• The selected scan edge memory channels (e.g.
1 A and 1b) have the same frequencies (for pro-
grammed scan).
• Only 1 memory channel is programmed or other
channels are set as skip channels.
• Priority watch is activated.
• Set the squelch to the threshold point.
• Reset the scan edges.
• Program other memory channels or cancel the
memory skip function in the desired channels.
• Turn the function OFF.
p. 20
p. 43
pgs.
33, 45
p. 48
Transmission is automati-
cally cut off.
• Time-out timer is activated.
• Set the timer to OFF.
p. 72
Transmission continues
even when the PTT is re-
leased.
• One-touch PTT function is activated.
• Turn the function OFF.
p. 26
The function display shows
erroneous information.
• The CPU is malfunctioning.
• Reset the transceiver.
p. 77
IC-2710H.qxd 02.2.8 16:55 Page 76 (1,1)
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