12 RC435 and RC435i Chartplotters
2.4 Installing the Chartplotter
When planning the installation of your RC435/435i, the following points
should be considered to ensure reliable and trouble free operation:
• 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 s ufficient space behind the unit to allow cable
connections to the rear panel connectors, avoiding tight bends in the
cable. At least 50mm (2in) should be allowed at the right of the chart-
plotter to enable chart cards to be inserted and removed.
• Interference: The se lected loca tion should be far enough a way from
devices that may cause interference, such as motors and generators.
• Power Source: The unit should be located near a DC power source.
The power cable supplied is 1.5m (5ft), but a longer cable can be used
if required. Power must be supplied via a 1A quick blow fuse or cir-
cuit breaker. Refer to Running the Cable on page 16.
• Interconnections: The unit transmits navigation and waypoint data
on NMEA and, therefore, can be connected to an NMEA compatible
autopilot or compatible instrument repeater(s). The navigation data
transmitted by the chartplotter is detailed in Appendix A.
• 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.
When surface mounting the unit to an enclosed compartment, make
sure that the compartment is ventilated and drained. Failure to meet
this requirement may lead to excessive build up of moisture within
the unit, leading to condensation on the screen.
The dimensions of the unit, including the bracket, are shown in Figure 2-
2 .
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