Advanced settings, Service menu, System data – Simrad AUTOPILOT SYSTEM AP50 User Manual
Page 147: Advanced settings 6.1 service, Menu, 6 advanced settings, 1 service menu

Advanced Settings
20221032B
145
6 ADVANCED SETTINGS
6.1 Service Menu
Select STANDBY mode and then enter the Installation Menu by 
pressing and holding the NAV/SETUP button for 5 seconds. 
Select "SERVICE" by pressing the (STBD) button and 
confirm by rotating the course knob clockwise. 
SYSTEM DATA
NMEA DATA
NMEA PORT TEST
Master reset?
No
Yes
“SYSTEM DATA” and “NMEA DATA” are test functions to 
analyze data processed by the AP50. 
To exit the menu, press any mode key (STBY, AUTO or NAV). 
System Data
SYSTEM DATA
Steer compass 220.0°M
Monitor comp. 225.2°
Rudder P 03.07
Steer Course 240°
System Filter Values
WAVES Fc: 05s Db:04°
Input voltage 11V
Drive out 100%
Clutch/bypass
installed
FUV1R2
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. 
Monitor comp. 
Monitor Compass readout. 
Rudder 
Rudder angle. Normally between 0 and 45°. 
Steer Course 
Current steered course in AUTO and NAV modes. 
System Filter Values 
Values set by the automatic sea state filter (in AUTO and NAV 
modes). 
Fc = Wave filter time constant in seconds. 
Db = Deadband in degrees to each side of the set course. The 
boat has to be outside the deadband before the autopilot 
responds. 
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. (Refer to page 151 for adjustment). 
