Simrad AP25 - Manual (Page 69)

Installation
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Notes!
1. On boats powered by outboards or stern drives it may be
difficult to install a rudder feedback unit (chapter 3.6 and
3.27). Use of the Virtual feedback algorithms in the software
may then be preferred as this requires no installation of a
rudder feedback unit (page 109). The Virtual Feedback can
be used on boats up to 40 ft.
2. In order to benefit from the virtual feedback technology your
autopilot system must be using a Simrad rate compass for
heading information.
3.5 AP25 System Layout
STBY PWR AUTO SPEED
SETUP NAV TURN
STBY
INSTR
MENU
NAV
AUTO
PWR
SPEED
SETUP
TURN
AUTO
SETUP
MENU
INSTR
SIMRAD R3000X
STBY AUTO
SPEED
NAV
PWR
STBY
TURN
Figure 3-1 AP25 system layout with options
3.6 RF300 Rudder feedback installation
The RF300 Rudder feedback unit mounts close to the rudder,
and is mechanically linked to the rudder tiller arm or rudder
quadrant.
Refer to Figure 3-2 for the recommended mounting arrangement.
Note that the RF300 transmitter arm has two slots for the