Garmin MODE S TRANSPONDER GTXTM 330 - Manual (Page 6)

PRESSURE ALT: Displays the altitude data supplied to the GTX 330 in feet,
hundreds of feet (i.e., fl ight level), or meters, depending on confi guration.
FLIGHT TIME: Displays the Flight Time, controlled by the START/STOP
and CLR keys when Automated Airborne Determination is confi gured
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 confi gured 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 Confi guration Mode. Contrast is controlled by the 8 and 9 keys.
DISPLAY: This page is only displayed if manual backlighting mode is selected
in Confi guration Mode. Backlighting is controlled by the 8 and 9 keys.
GTX 330 Confi guration Mode
The GTX 330’s confi guration is normally set at time of installation, including the unique
Mode S aircraft address. To view or change any of the GTX 330 confi guration parameters,
you must access the GTX 330 Confi guration Mode. Use caution when changing confi gura-
tion. When in doubt, contact your authorized GARMIN Aviation Service Center. Your Garmin
dealer can assist in confi guration changes. The Confi guration Mode should not be used during
fl ight.
To use the GTX 330 Confi guration 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 confi guration 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 fi elds on each page.
4. When a fi eld is highlighted, use the 8 or 9 keys to select changeable fi elds or the 0 - 9
keys to enter numeric data.
5. Press the CRSR key to confi rm list selections.
Function Display