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Page 5-4 GTX 330 Installation Manual
Revision G 190-00207-02
5.1.3 Function Display
PRESSURE ALT Displays the altitude data supplied to the GTX 330 in feet, hundreds of
feet (i.e., flight level), or meters, depending on configuration.
FLIGHT TIME Displays the Flight Time, controlled by the START/STOP key or by one
of four airborne sources (squat switch, GPS ground speed recognition,
airdata airspeed recognition or altitude increase) as configured during
installation. The timer begins when the GTX 330 determines that the
aircraft is airborne.
ALTITUDE MONITOR Controlled by START/STOP key. Activates a voice alarm and warning
annunciator when altitude limit is exceeded.
OAT/DALT Displayed when the GTX 330 is configured with temperature input.
Displays Outside Air Temperature and Density Altitude.
COUNT UP TIMER Controlled by START/STOP and CLR keys.
COUNT DOWN TIMER Controlled by START/STOP, CLR, and CRSR keys. The initial Count
Down time is entered with the 0 – 9 keys.
CONTRAST This page is only displayed if manual contrast mode is selected in
Configuration mode. Contrast is controlled by the 8 and 9 keys.
DISPLAY This page is only displayed if manual backlighting mode is selected in
Configuration mode. Backlighting is controlled by the 8 and 9 keys.