GTX 330 Installation Manual Page 5-17
190-00207-02 Revision G
5.2.13 Mode S Aircraft Type Page
Used for air to air communication with TCAS.
SELECTION DESCRIPTION
AC TYPE
UNKNOWN, <15.5K Lb, >=15.5K Lb, or ROTOR.
MAX AIRSPEED
UNKNOWN, <=75 kt, <=150 kt, <=300 kt, or >300 kt.
AIRCRAFT TYPE
Sets the AIRCRAFT TYPE Message to ROTOR, to a weight of less than 15,500 pounds, more than or
equal to 15,500 pounds, or unknown weight. Defaults to less than 15,500 pounds.
MAXIMUM AIRSPEED
Sets the AIRCRAFT AIRSPEED Message to a speed of less than or equal to 75 knots, between 75 knots
and 150 knots, between 150 knots and 300 knots, more than 300 knots, or unknown airspeed. Defaults to
less than or equal to 150 knots. Enter the aircraft's maximum cruising true airspeed capability.
5.2.14 Gray Code Input Page
GRAY CODE
This field shows the status (1 = ground, 0 = open) of each of the ten gray code altitude inputs. This
information may aid in installation troubleshooting. This page is not used in systems that contain serial
altitude input.
DECODED ALTITUDE
This field displays the gray code altitude input in feet. Verify that it is the correct altitude.
5.2.15 External Switch State Page
IDENT
This field displays the state of the EXTERNAL IDENT discrete input. The box is filled when
EXTERNAL IDENT is grounded.
STANDBY
This field displays the state of the EXTERNAL STANDBY discrete input. The box is filled when
EXTERNAL STANDBY is grounded. If EXTERNAL STANDBY is active during power-up, the word
FAIL appears on the screen after 30 seconds.
SQUAT
This field displays the state of the SQUAT SWITCH input. The box is filled when the SQUAT SWITCH
input is active (the aircraft is on the ground as configured on the SETUP 2 page).
MODE S (A/C Type) Page
GRAY CODE INPUT Page
EXTERNAL SWITCH Page