The LTN-92 is a sophisticated device consisting of the following components:
Turn the MSU selector to the STBY (Standby) position.
The manual specifies that the LTN-92 only accepts NMEA GGA and RMC sentences at exactly 1 Hz, with a specific talker ID of “GP”. It also requires the GPS to output a 1PPS (pulse per second) signal on a dedicated pin. Standard GPS receivers often output 5 Hz or 10 Hz, which the LTN-92 interprets as noise. ltn-92 manual
The system provides a heading command to the HSI (Horizontal Situation Indicator). The autopilot can be engaged in mode to follow the LTN-92 guidance. 4.4 Using Wind Correction
The cockpit user interface containing the multi-line monochrome screen, alphanumeric keypad, and dedicated page keys (e.g., POS, FPL, STS). The LTN-92 is a sophisticated device consisting of
: The main computer screen interface. It displays five lines of green or amber text.
The "brain" containing the sensors and processors. Standard GPS receivers often output 5 Hz or
The LTN-92 consists of three primary, interconnected hardware units divided between the cockpit and the avionics bay: