Eagle Electronics FISH MARK 500CDF - Manual (Page 37)

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CAUTION:
Do not use this product without a 3-amp fuse wired into the power
cable! Failure to use a 3-amp fuse will void your warranty.
This unit has reverse polarity protection. No damage will occur if the
power wires are reversed. However, the unit will not work until the
wires are attached correctly.
An optional 8-foot, CA-4 external power cable with a cigarette lighter
adapter is available from Eagle.
Mounting the Unit: Bracket, In-Dash or Portable
You can install the sonar unit on the top of a dash with the supplied
gimbal bracket. It can also be installed in the dash or mounted on a
portable power supply.
If you use the supplied bracket, you may be interested in the optional
R-A-M

bracket mounting system. This converts the unit's gimbal
bracket to a swivel mount, which can be used on the dash or overhead
mounting positions. Installation instructions are supplied with the
R-A-M mounting kits.
Bracket Installation
Mount the unit in any convenient location, provided there is clearance
behind the unit when it's tilted for the best viewing angle. You should
also make sure there is enough room behind the unit to attach the
power and transducer cables. (A drawing on the next page shows the
dimensions of a gimbal-mounted sonar unit.)
Holes in the bracket's base allow wood screw or through-bolt mounting.
You may need to place a piece of plywood on the back side of thin fiber-
glass panels to reinforce the panel and secure the mounting hardware.