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GTX 330 Installation Manual Page 5-11
190-00207-02 Revision G
5.2.7 Contrast Configuration Page
CONTRAST MODE
SELECTION DESCRIPTION
AUTO (Automatic)
DEFAULT. Display contrast is automatically compensated for LCD
temperature and other factors. An offset can be entered in the contrast
level adjustment described below.
MAN (Manual)
Display contrast is manually adjusted either here or by the pilot using
the GTX 330 CONTRAST page.
CONTRAST LEVEL ADJUSTMENT
This is a “slider” bar graph control. Use the 8 key to move the graph to the left, decreasing the numbers
and contrast level. Use the 9 key to move it to the right, increasing the numbers and contrast level. In
manual contrast mode, this is a direct adjustment of the display contrast. In automatic contrast mode, this
adjusts the offset to the automatically compensated contrast, with the default set to an offset of 50.
5.2.8 ARINC 429 Configuration Pages
ARINC 429 INPUT
The ARINC 429 INPUT Pages configure the ARINC 429 input
ports. Each port can be configured independently for the
desired function(s). The ARINC 429 IN 1 INPUT allows
automated start and stop of the flight timer and places the transponder in ground (GND) mode upon
landing. The same input data source cannot be selected for multiple input channels 1 through 3. ADLP is
included for future use.
SPEED (Channel 1 – 3)
SELECTION DESCRIPTION
Low
Standard low-speed ARINC 429 (nominally 12.5 kilobits per second)
High
High-speed ARINC 429 (nominally 100 kilobits per second)
DATA (Channel 1 – 4)
CHANNEL SELECTION DESCRIPTION
All OFF
No unit connected to this ARINC 429 input
GPS
Selected waypoint information and GPS ground speed recognition.
ADC NO ALT
Temperature and speed information
ADC W/ALT
Altitude, temperature and speed information
AHRS
Attitude and heading information
EF/AD NO ALT
Selected course, heading, temperature, joystick waypoint and speed
information
1
through
3
EF/AD W/ALT
Selected course, heading, temperature, joystick waypoint and speed
information plus altitude data
4 ADLP
Airborne Data Link Processor. ADLP is available only on channel 4.
CONTRAST CONFIGURATION Page
ARINC 429 INPUT (First) Page
ARINC 429 INPUT (Second) Page