Chapter 3: Installation
39
3.10 Sleep switch (optional)
A Sleep switch, which disables the operation of the autopilot (but maintains power to
SeaTalk and SeaTalk
ng
bus), may be connected to inputs on the SPX SmartPilot. You
need to source an appropriate switch and cabling.
7. Install sleep switch (optional)
CAUTION: Turning the sleep switch to ON will turn the autopilot system
OFF in all situations and will override ‘AUTO’ mode.
•
Wire sleep switch.
•
Route sleep switch cable to SPX SmartPilot and connect it to the SLEEP terminal.
3.11 External alarm (optional)
The SPX SmartPilot sounds all critical alarms from all controllers. On large or noisy
boats you can fit a Raymarine external alarm (part number: E26033, connected
through E85001 interface box) as a high volume audible repeater.
3.12 Wind vane (sail boats)
The SPX SmartPilot can use wind angle information from a wind vane to maintain a
course relative to the wind. You can provide wind angle information to the autopilot
system by:
•
connecting the wind vane to a transducer pod connected to the SeaTalk
ng
back-
bone or
•
connecting the wind vane to a transducer pod connected to a SeaTalk or NMEA
instrument (providing wind angle and speed information). Refer to the installation
instructions provided with the wind vane and instrument.
D10463-1
Sleep switch
(closes circuit to
turn off course computer power)
POWER
OFF
ON
FAULT
SLEEP
FAULT
NMEA
87072-2.book Page 39 Thursday, November 22, 2007 8:43 AM
