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Two types of antenna assemblies are used with the
GPS 125 Sounder:
• White, GA28 Marine Antenna with 30 ft. cable
and BNC connector
• Black, GA26 Low-Profile Antenna with 8 ft.
cable, BNC connector, flange, and Velcro™
mounting hardware.
Mounting the White, GA28 Antenna
To install the GA28 antenna:
1. Attach a 1” X 14 mount (not included) to the desired
antenna location using the appropriate fasteners.
2. Screw the antenna directly onto the 1” X 14 mount.
3. Route the cable to the location of the GPS 125 Sounder,
using the appropriate tie-wraps,escutcheon plates, and
sealant to secure the cable along the route and through
any bulkhead or deck.
4. Once the GPS 125 Sounder unit has been installed, con-
nect the cable to the antenna connector on the back of
the unit. Turn the antenna connector 1/4 turn clockwise
to lock the cable into place.
65
APPENDIX A
Installation
Transducer Installation:
For instructions on transduc-
er installation, see the
booklet included with your
transducer.
125 Man Rev B 7/23/98 11:48 AM Page 65