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3. INSTALLATION
3.1 Main Unit
The main unit may be mounted on a tabletop or a bulkhead, using 5×25 self-tapping screws (sup-
plied).
When choosing a mounting location, consider the following points:
• It is essential that the mounting surface is flat, otherwise blurred recordings may result, as in the
example below. If it is necessary to level the unit, insert flat washer (supplied) between unit and
mounting surface at appropriate location(s).
• Locate the unit out of direct sunlight because of heat that can build up inside the cabinet.
• For bulkhead mounting, be sure the mounting location is strong enough to support the unit
under the vibration normally encountered on board the vessel.
• Choose a location where vibration and shock are minimal.
• Choose a location where the control panel can be easily operated.
• Leave sufficient space around the unit for servicing and maintenance. Refer to the outline
drawing for recommended maintenance space.
• Locate the unit away from areas subject to water splash and rain.
• A magnetic compass will be disturbed if the unit is placed too close to it. Separate the unit from
a magnetic compass by the distance noted on page iii to prevent interference to the compass.
Blurred recording
Flat washer
Self-tapping screw