Section 923
GARMIN GTX 328 Transponder
923 - 6
Page Date: 5. December 2008
Pilot´s Operating Handbook
EXTRA 300L
'ALTITUDE MONITOR'
The ALTITUDE MONITOR function is not available in this installation.
'OAT/DALT'
The OAT/DALT function is not available in this installation (no temperature input).
'COUNT UP TIMER'
Controlled by the
START/STOP
and
CLR
keys. Pressing the
CLR
key zeros the display.
'COUNT DOWN TIMER'
Controlled by
START/STOP
,
CLR
, and
CRSR
keys. The initial Count Down time is entered with
the
0 - 9
keys. Pressing the
CLR
key resets the timer to the initial value.
'STBY'
The transponder will not reply to any interrogations.
'GND'
This page is not active.
'CONTRAST'
This page is only displayed if manual contrast mode is selected during installation configuration.
Contrast is controlled by the
8
and
9
keys.
'DISPLAY'
This page is only displayed if manual backlighting mode is selected during installation configuration.
Backlighting is controlled by the
8
and
9
keys.
923.1.5
CONFIGURATION MODE
The configurartion mode is not active.
The GTX 328’s options are normally set at time of installation. To request any changes of the GTX
328 parameters, contact an authorized Garmin Aviation Service Center.
923.1.6
ALTITUDE TREND INDICATOR
When the '
PRESSURE ALT
' page is displayed, an arrow may be displayed to the right of the
altitude, indicating that the altitude is increasing or decreasing. One of two sizes of arrows may be
displayed depending on the vertical speed rate. The sensitivity of these arrows is set by an
authorized Garmin Aviation Service Center.
923.1.7
FAILURE ANNUNCIATION
If the unit detects an internal failure, the screen displays
'FAIL'
. When
'FAIL'
is annunciated no
transponder data is transmitted.
Page Date: 5. December 2008
Summary of Contents for 300L
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