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89
Appendix H
Installing Ferrite Clamp
Installing the Ferrite Bead Clamp (GPSMAP 182C Only)
In order to fi lter Radio Frequency Interference (RFI) radiation, which could possibly interfere with
items such as televisions, radios, or other marine electronics that are operating in close proximity to
the GPSMAP182C with GA 29 remote antenna, a ferrite bead fi lter clamp and neoprene foam strip are
included for attachment to the unit’s antenna cable. The clamp attaches to the antenna cable near the point
at which it connects to the back of the GPSMAP 182C. The foam strip has adhesive on one side and is
used to keep the clamp stationary on the cable.
To install the ferrite bead clamp:
1. Choose a location which is no more than two inches (5 cm) from the back of the GPSMAP 182C.
2. Remove the backing from the adhesive foam strip. Place the strip at an angle to the cable with
adhesive facing towards the cable. Snugly spiral wrap the foam strip around the antenna cable. (Fig. 1)
3. Open the fi lter clamp by slightly pulling on the latch and opening the fi lter halves.
4. Position the clamp (Fig. 2) and squeeze it shut around the cable until the latch is securely fastened. If
the clamp is diffi cult to close, you may want to remove some of the foam strip.
The clamp should not need to be replaced under normal use. Please contact your Garmin dealer or
Garmin Support if you have any questions or require a replacement fi lter clamp.
Figure 1
Figure 2
Ferrite Bead Filter
Installed fi lter
182C Manual Part 2.indd 89 6/4/2003, 2:54:35 PM