Garmin VHF 720 소유자 매뉴얼 및 참조 - 페이지 38
{카테고리_이름} Garmin VHF 720에 대한 소유자 매뉴얼 및 참조을 온라인으로 검색하거나 PDF를 다운로드하세요. Garmin VHF 720 43 페이지. Waterproof marine radios
Garmin VHF 720에 대해서도 마찬가지입니다: 사양 (2 페이지)
페이지 인쇄
Maintenance
&
T roubleshooting
SYMPTOM
Unit does not come ON
No sound from speaker
Cannot transmit or
transmission isn't being
received.
The displayed channel cannot
be changed.
Error tone (2 beeps) is heard
when a key is pressed and no
unit function is performed.
Troubleshooting Guide
PROBABLE CAUSE
Batteries are exhausted.
Squelch threshold level too
high.
No channel broadcast is
being received
Volume is set too low.
Some channels are for receive
only.
Batteries are exhausted.
Some channels are for low
power only.
Output power too low.
The LOCK function is on.
Incorrect key selection and
the programming is limiting
key function.
REMEDY
Recharge batteries
Set to a lower
threshold point.
Move to another
channel.
Increase volume.
Change channel.
Replace batteries.
Change channels.
Press H/L key for
high power.
Press and hold the
H/L key for at
least one second.
Select correct key.