Onwa Marine Electronics KAP-866 - Manual (Page 36)

3.9 Installation of external rudder indicator
Onwa rudder indicator KRI-80 is supplied an option. Connect KRI-80 to
KAP-866 as follow:
Center and Range Calibration is needed on the KRI-80 after installation. Place
the rudder on midship position, adjust "Center" VR on KRI-80 to get "0"
degree on the meter. Place the rudder to 30 degree on either port or starboard,
adjust "Range" VR on KRI-80 to get "30" degree on the meter.
31
+ +
Canter Range
5K control resistor
for dimmer control.
KAP-866 Autopilot
ALARM