1. INSTALLATION
1-8
1.3 How to Install the Display Unit (SC-702)
The display unit can be installed on a desktop, overhead (bulkhead) or flush mounted
in a panel. Install the SC-702 on the chart table or near the helm, referring to the out-
line drawing at the back of this manual.
Mounting considerations
When selecting a mounting location for the display unit, keep the following in mind:
1.3.1 How to install the SC-702 on a desktop or overhead
The display unit is shipped with the hanger, and must removed from the hanger in or-
der to be installed correctly.
1. Place the SC-702 on a firm, flat surface, then unfasten the two knobs on either
side of the display unit to remove the unit.
2. Drill four holes for the self-tapping screws (I5x20) at the installation location.
3. Secure the hanger to the desktop or overhead bulkhead with four self-tapping
screws (I5u20, included). The hanger should be oriented with the insertion slots
facing forwards. For mounting dimensions and required clearance, see the outline
drawing at the back of this manual.
4. Referring to section 1.5.6, connect the cabling to the SC-702.
5. Fit the SC-702 to the hanger and tighten the bolts on either side evenly. Adjust the
angle of the SC-702 so the screen can be viewed clearly.
• Keep the unit out of direct sunlight.
• The temperature and humidity should be moderate and stable.
(See the specifications at the back of this manual for operating temperatures.)
• Locate the unit away from heat sources, such as exhaust pipes and vents.
• The mounting location should be well ventilated.
• Keep the unit away from areas subject to rain or water splash.
• Install a ship-board earth to the grounding terminal at the rear of the unit.
• Mount the unit where shock and vibration are minimal.
• Keep the unit away from electromagnetic field generating equipment, such as motors
and generators.
• Referring to the outline drawings at the back of this manual, leave sufficient space
around the unit to allow access for maintenance.
• A magnetic compass will be affected if the unit is placed too close to it. Observe the
compass safe distances listed on page ii to prevent magnetic disturbance.
• Leave enough slack in the unit’s cabling to allow for maintenance and service.
• For flush mount installations, make sure the mounting location is flat.
• To avoid damage to the cabling when mounting the SC-702, make sure the cabling
is not excessively bent.
Desktop mounted Roof (bulkhead) mounted
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