Garmin VHF 720 User Manual download pdf (Page 38)

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 and 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 function is performed. key function.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43

No comments

Garmin VHF 720 User Manual Page 38