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Chapter 5: Installation 5-7
5.4 Chartplotter
The display unit can be mounted using the trunnion (yoke) bracket, or
panel mounted using the optional Panel Mounting Kit.
When planning the installation of your Raychart 320, the following
points should be considered:
• Convenience: The unit should be installed in a convenient position
where it can be viewed straight on or with a viewing angle of less than
35°. You may wish to apply power, before you install the unit, to deter-
mine the best viewing angle prior to fixing. The mounting location
should be easily accessible to allow operation of the front panel con-
trols.
• Access: There must be sufficient space behind the display unit to allow
cable connections to the rear panel connectors, avoiding tight bends in
the cable.
• Interference: The selected location should be far enough away from
devices that may cause interference, such as motors and generators
(see the EMC Installation Guidelines earlier in this chapter).
• Cable runs: The unit must be located near a DC power source. The
power cable supplied is 1.5m, but a longer cable can be used if
required. Power must be supplied via a 1A quick blow fuse or circuit
breaker. Refer to Section 5.6, Cable Running.
• Environment: The unit should be protected from physical damage,
heat sources and excessive vibration. Although the unit is waterproof,
it is good practice to mount it in a protected area away from prolonged
and direct exposure to rain and/or salt spray. Refit the Sun Cover when
not in use to avoid damage to the LCD screen.
The dimensions of the unit, including the bracket, are shown in
Figure 5-4.
81167_3.BOOK Page 7 Wednesday, November 21, 2001 2:12 PM