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Page 5-8 GTX 330 Installation Manual
Revision G 190-00207-02
5.2.4 Display Mode Page
DISPLAY MODE
SELECTION DESCRIPTION
AUTO (Automatic)
DEFAULT. Display automatically changes between Positive mode
(during the day) and Negative mode (at night), depending on ambient
light level received by the photocell.
NGTV (Negative)
Display always has light characters on a black background, regardless
of ambient lighting.
PSTV (Positive)
Display always has black characters on a light background, regardless
of ambient lighting.
LEVEL
Sets the ambient light level for AUTO mode to change between negative and positive display. The higher
the number, the brighter the ambient light level to change over. This field has a range of 0 (zero) to 99,
with the default set to 75.
5.2.5 Display Backlight Page
BKLT (Backlight)
SELECTION DESCRIPTION
AUTO (Automatic)
DEFAULT. Display backlighting is automatically controlled, based
on the parameters entered on this configuration page. When AUTO is
selected, the DISPLAY page does not appear to the pilot.
MAN (Manual)
Display backlighting is controlled manually by the pilot on the
GTX 330 DISPLAY page. No backlight parameters can be entered
when the manual mode is selected.
LVL (Level)
Shows the current level of display backlighting, based on the lighting input source (lighting bus voltage,
or the ambient light if the source is PHOTO) and the settings on this configuration page. This field has a
range of 0 (zero) to 999. The level is set by pressing the 8 and 9 keys when MAN mode is selected.
When in AUTO mode, the field is for display only.
RSP TIME (Response Time)
Sets the speed with which the brightness responds to ambient light changes (only for AUTO backlight
mode). The higher the number, the slower the display responds. This field has a range of 0 to 7, with the
default set to 4.
DISPLAY MODE Page
DISPLAY BACKLIGHT Page