Garmin GTXTM 330 Function Display, GTX 330 Configuration Mode, To use the GTX 330 Configuration Mode:, COUNT UP TIMER: Controlled by START/STOP and CLR keys, FLIGHT TIME:, CLR

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 and CLR keys when Automated Airborne Determination is configured as normal. Under Automated Airborne Determination control, the timer begins when lift off is sensed.

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.

GTX 330 Configuration Mode

The GTX 330’s configuration is normally set at time of installation, including the unique Mode S aircraft address. To view or change any of the GTX 330 configuration parameters, you must access the GTX 330 Configuration Mode. Use caution when changing configura- tion. When in doubt, contact your authorized GARMIN Aviation Service Center. Your Garmin dealer can assist in configuration changes. The Configuration Mode should not be used during flight.

To use the GTX 330 Configuration Mode:

1.Press and hold the FUNC key while powering on the unit using the STBY, ON, or ALT key (or using an avionics master switch).

2.Press the FUNC key to sequence through the configuration pages. Press the START/STOP key to sequence in reverse. Reverse sequence stops on the Display Mode page.

3.Use the CRSR key to highlight selectable fields on each page.

4.When a field is highlighted, use the 8 or 9 keys to select changeable fields or the 0 - 9 keys to enter numeric data.

5.Press the CRSR key to confirm list selections.