Installation Instructions
GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page 5-58 Rev. 4
Surveillance Integrity Level (GTX 33 Only)
This field sets the correct GPS Integrity for the interfaced GPS receiver. Set to 1E-3, 1E-5, or 1E-7. When
interfaced to the GTN, the GPS Integrity must be set to 1E-5.
NOTE
The GPS INTEGRITY configuration field indicates the integrity of the GPS sensor that
is connected to the transponder. It is measured in errors per flight hour, 1E-3 being the
worst and 1E-7 being the best rating. This data is used in ADS-B transmissions.
Temperature Switch Installed (GTX 33 Only)
This field determines if a temperature switch is connected to the GTX 33. Select Yes if a temperature
switch is connected to the transponder. Select No otherwise.
5.5.4.7.3 Transponder Audio Configuration
Select the Audio Config key from the Transponder
Configuration menu. The remote transponder audio
configuration page, shown in Figure 5-35, will display the
following information.
Altitude Monitor
Select the desired audio type for the Altitude Monitor alert.
The choices are Off, Tone, or Message.
Countdown Timer
Select the desired audio type for the Count Down Timer alert.
The choices are Off, Tone, or Message.
TIS Alert
Select the desired audio type for TIS alerts. The choices are
Off, Tone, or Message.
Voice Setting
Set the voice type to male or female.
Volume
Adjust the desired volume level for transponder audio.
Volume is adjusted from 0 to +63 dB. Ensure the volume level
is sufficient for all anticipated cockpit noise environments.
Figure 5-35.
Remote XPDR Audio
Configuration page