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GX1280S Page 11
4 INSTALLATION
4.1 LOCATION
The radio can be mounted at any angle. Choose a mounting location that:
• is far enough from any compass to avoid any deviation in compass
reading due to the speaker magnet
• provides accessibility to the front panel controls
• allows connection to a power source and an antenna
• has nearby space for installation of a microphone hanger
• the antenna must be mounted at least 3 feet from radio
Note: To insure the radio does not affect the compass or radios performance
is not affected by the antenna location, temporarily connect the radio in the
desired location and:
a.Examine the compass to see if the radio causes any deviation
b.Connect the antenna and key the radio. Check to ensure the radio is
operating correctly by requesting a radio check.
4.2 ELECTRICAL CONNECTIONS
CAUTION
Reverse polarity connections will damage the radio!
Connect the power cord and antenna to the radio. Antenna and Power Sup-
ply connections are as follows (see Figure 1):
1. Mount the antenna at least 3 feet away from the radio. At the rear of the
radio, connect the antenna cable. It must have a PL259 connector. RG-
8/U coaxial cable must be used if the antenna is 25 feet or more from the
Figure 1. General Installation
GPS Navigation Receiver
Accessory Cable
Optional Speaker
Antenna
Fuse
Red
Power Source
Black
Water proof
Deck Outlet