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To swivel mount the Fishfi nder 250/250C display:
Tools (not included) — Drill, Screwdriver (Phillips or Standard), three #8 (4mm) pan head machine bolts
with matching nuts and washers and a 5/32” (5mm) drill bit, OR three #8 pan head self-tapping screws and
an appropriately-sized drill bit for drilling starter holes.
1. Using the swivel base as a template, mark the location of the three holes that are used to secure the
bracket to the mounting surface.
2. If securing the base with machine bolts, drill three 5/32” (5mm) holes at the locations you marked. OR,
if securing the base with self-tapping screws, drill starter holes at the locations you marked. Starter holes
should generally be no deeper than half the screw length.
3. Secure the swivel base with three bolts or screws. DO NOT OVERTIGHTEN.
4. Place the rest of the mount over the swivel base and secure with the short knob.
Installation
Unit Installation
Secure the base and attach the mount
The swivel base is designed to be secured using a pan
head screw or machine bolt. If you use a screw with a
countersunk head, you risk damaging the Mounting
Bracket.
OK
250C Manual.indd 2 1/27/2004, 3:54:51 PM