Simrad AP25 - Manual (Page 131)

Configuration and setup
20221495F
129
System Data Menu
Select System data by rotating
the course knob clockwise.
This menu provides you with
additional system data that
can be useful when testing or
trouble shooting the system.
Steer compass
Steering Compass readout, M=Magnetic, T=True
Rudder
Rudder angle. Normally between zero and 45 degrees.
Input voltage
Mains voltage on input terminals
Drive out
Power needed to drive the unit in percent of full (100%) to get
satisfactory rudder speed.
Clutch/bypass
Verifies if a clutch or bypass valve has been activated when
performing the rudder test.
SimNet and NMEA Data Screen
Select the screen by pressing
the STBD button and confirm
by rotating the course knob
clockwise.
The menu provides you with
status information about the
different SimNet and/or
NMEA messages used by the
system.
Decoding
The incoming signals are decoded according to a built in priority
table in the AP25. Cross Track Error and bearing information are
taken from the NMEA messages with highest priority.