ComNav 1500 / 1510 Autopilot - 3 -
1.3 Components
1.3.1 Autopilot Instrument Control Head
The control and display of all Autopilot functions are provided
by the Control Head. It is waterproof and may be mounted
below or above deck. Multiple Control Heads are connected
in parallel (daisy chain) and any station may be activated by
pressing any one of its keys. A portable Control Head is also
available for remote control (not shown).
PN 20620044
1.3.2 45 ° Flux Gate Compass
The flux gate compass provides a stable heading reference
for the Autopilot and course repeater function on the Control
Head. It is gimbaled to accept up to +/- 45 ° of pitch and roll
and should be bulkhead mounted below decks near the
center of pitch and roll for maximum stability. Construction is
splashproof. The Autopilot may also be used to transmit
NMEA heading data to additional receivers such as radars,
plotters, compass repeaters etc.
PN 20640006
1.3.3 35 ° Flux Gate Compass
The flux gate compass is low weight, fluid damped and
compact in size allowing for mounting in cramped areas. It
can be flush mounted and is auto-deviated from the Autopilot
Instrument Control Head.
PN 20640007
1.3.4 Distribution Unit
The Distribution Unit contains the course computer and motor
drive circuitry and acts as a central distribution for
interconnecting wiring. This unit accepts data from the
compass, Control Heads, radio navigational receivers and
Rudder Transmitter. The DU-1500 is waterproof and may be
mounted in any convenient and cool area. The DU-1510 is
splashproof and should be mounted in a water protected cool
area. (shown) DU-1500 PN 20090002
DU-1510 PN 20100002
1.3.5 Rudder Follower & Linkage
The Rudder Follower & Linkage provides the Autopilot with
accurate rudder position information. It is mounted near the
rudder shaft and connected to the tiller or quadrant with a ball
joint linkage. PN 20330008+20330007
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