TMQ AP4 - Heading Data Output Selection; Heading Data Input

TMQ AP4 Autopilot (AP4S10) 36 of 62 Version 4.96 9/10/2017
Heading Data Output Selection
Selection procedure
 Switch AP4 MODE switch to SET
 Press and hold pressed GPS button
 Press TIMER button - display reads 900
 Release GPS and TIMER buttons
 Rotate COURSE knob until display reads 912
 Press TIMER button – display reads S-1
 Rotate COURSE knob for the required selection
S-1 = HDM
S-2 = HDT
S-3 = HDM with checksum
S-4 = HDT with checksum
S-5 = HDM & HDT
S-6 = HDM & HDT with checksum
 Press TIMER button to save the setting and exit the procedure
Heading Data Input
The AP4 pilot can accept NMEA 0183 heading data input from any source, for
example, GPS compass or other electronic compass. which will connect to the
internal terminal strip T4.
Heading data input from other external source (GPS Compass)
Heading data input is connected to T4 pins 3 and 4
1
TX 2 Heading data out
2
NEG Heading data negative
3
RXD– NMEA data in heading negative
4
RXD+ NMEA data positive in
5
ALARM negative (switched)
6
ALARM positive 10 Volts