Garmin 328 Manuale del pilota - Pagina 7

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Timer Operation

To operate the Flight Timer:

1. Press the FUNC Key until 'FLIGHT TIME' is displayed.

2. If the GTX 328 is conﬁgured with Automated Airborne Determination, the timer begins

automatically when the unit senses that the aircraft has become airborne. The timer

may be reset to zero at every take off, continue accumulating time at take off or may be

controlled manually.

3. If desired, press START/STOP to pause or restart the timer.

4. Press CLR to reset the timer to zero.

5. If the timer is conﬁgured to start automatically it will stop when the Automated Airborne

Determination senses that the aircraft is on the ground.

To operate the Count Up timer:

1. Press the FUNC Key until 'COUNT UP' is displayed.

2. If necessary, press CLR to reset the Count Up timer to zero.

3. Press START/STOP to begin count up.

4. Press START/STOP again to pause the timer.

5. Press CLR to reset the timer to zero.

To operate the Count Down timer:

1. Press the FUNC Key until 'COUNT DOWN' is displayed.

2. Press CRSR and use the 0 - 9 keys to set the initial time. All digits must be entered (use

the 0 Key to enter leading zeros).

3. Press START/STOP to begin count down.

4. Press START/STOP again to pause the timer.

5. When the Count Down timer expires, the 'COUNT DOWN' banner is replaced with a

ﬂashing 'EXPIRED', and the time begins counting up.

6. Press CLR to reset the timer to the initial time value.

Automatic ALT/GND Mode Switching

If the GTX 328 is conﬁgured for Automated Airborne Determination, normal operation

begins when take off is sensed. When the aircraft is on the ground the screen automatically

displays GND. The transponder does not respond to ATCRBS interrogations when GND

is annunciated. When a delay time is set in the Conﬁguration Mode, the GTX 328 waits a

speciﬁed length of time after landing before changing to GND mode.

Failure Annunciation

If the unit detects an internal failure, the screen displays FAIL. When FAIL is annunciated

no transponder data is transmitted.