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To flush mount the sounder:
1. Remove the four M5 screws from the back of the unit and remove the mounting bracket.
2. Using the mounting template provided in the box, determine where you wnat to mount the unit and
tape the template in place.
3. Using a hammer and center punch, mark the centers of the relief hole and mounting screw holes.
4. Using a drill and a 2.75” hole saw, cut the center relief hole from the panel. Drill four 0.25” screw
holes using a 1/4” drill bit.
5. From the front, place the unit until the relief hole rests flush against the mounting surface.
6. Secure the unit to the mounting surface using M5 screws. Note: for thick mounting surfaces, insert
the M5 screws directly through the four drilled holes (figure 1). For thin panels, place the mounting
bracket on the back side of the panel for additional support (figure 2).
7. Attach the power/data/transducer cable and antenna connector.
SECTION
A
APPENDIX
Installation
CAUTION!
The four M5 screw holes on the back of the unit
are blind holes (having a closed end). Do not try to
force screws deeper into these holes than the holes
will allow. Over insertion of screws will damage
the housing and break the waterproof sealing.
GPSMAP 235 Mounting Template
19000138.10A.QXD 11/11/99 8:47 AM Page 92