TMQ AP4 Autopilot (AP4S10) 19 of 62 Version 4.96 9/10/2017
No GPS Data Alarm (Waypoint Steering)
The alarm sounds 0.5 seconds on, 0.5 seconds off if the autopilot is not
receiving valid information from the GPS.
No Heading Reference (NMEA Heading or GPS Input)
The alarm sounds 0.5 seconds on, 0.5 seconds off if the autopilot is not
receiving heading data or GPS data for heading reference.
Bridge Navigational Watch Alarm System (BNWAS)
This alarm is set to ON or OFF via special display mode 913. When it is ON,
the external alarm terminal will be kept active low while the device is in auto
mode. It is intended for being connected to an external BNWAS controller. In
any other mode, different from auto, the external alarm will be open circuit.
From the factory, this alarm mode is OFF.