Garmin VHF 725 User Manual
Page 38
32
Maintenance
&
Troubleshooting
APPENDIX D
Troubleshooting Guide
SYMPTOM
PROBABLE CAUSE
REMEDY
Unit does not come ON
Batteries are exhausted.
Recharge batteries
No sound from speaker
Squelch threshold level too
Set to a lower
high.
threshold point.
No channel broadcast is
Move to another
being received
channel.
Volume is set too low.
Increase volume.
Cannot transmit or
Some channels are for receive
Change channel.
transmission isn’t being
only.
received.
Batteries are exhausted.
Replace batteries.
Some channels are for low
Change channels.
power only.
Output power too low.
Press H/L key for
high power.
The displayed channel cannot
The LOCK function is on.
Press an hold the
be changed.
H/L key for at
least one second.
Error tone (2 beeps) is heard
Incorrect key selection and
Select correct key.
when a key is pressed and no
the programming is limiting
unit functoinis performed.
key function.