31
English
Connecting to an external speaker
You can use an external speaker to monitor the radio from a different part of your boat or in
a noisy environment. If you adjust the
VOLUME-PWR
knob on the radio, it will also adjust the
external speaker volume.
Your radio supports an external speaker with the following specifications:
x
Minimum impedance of 4 Ohms
x
Minimum power handling of 10 Watts
1. Connect the BLACK wire of the accessory cable to the GROUND WIRE of your external
speaker.
2. Connect the RED wire of the accessory cable to the POSITIVE (+) WIRE of your external
speaker.
3. Be certain all wire connections are secure and that all open wires are adequately
covered.
#
nOte: to extend the life of the radio, use waterproof tape to seal electrical connections.
4. Plug the accessory cable into the accessory cable pigtail on the back of your radio.
MaintenanCe anD trOubleshOOting
Due to its rugged design, your radio requires very little maintenance. However, it is a
precision electronic instrument, so you should follow a few precautions:
x
If the antenna has been damaged, you should not transmit except in the case of an
emergency. A defective antenna may cause damage to your radio.
x
You are responsible for continued FCC technical compliance of your radio.
x
Periodically test your radio’s performance.
Problem
Things to Try
The radio won’t power on.
Check the power connections.
Check the fuse.
Check the master battery switch and branch circuit that
connect to the radio.
The radio won’t transmit.
Make sure you are not in weather or scan mode.
Make sure you are not trying to transmit on a receive-
only channel (see the channels and frequency tables
beginning on page 35).
Make sure you are transmitting at the correct power level
for this channel (see the channels and frequency tables
beginning on page 35).
Make sure the duration of each transmission is less than
5 minutes.
Noise comes out of the
speaker all the time
Adjust the squelch level; it is probably too low.
I can’t hear anything (no
volume) from the speaker.
Adjust the squelch level; it is probably too high.
