Garmin GNS 480 Installation Manaul page 96

Post-Installation Configuration & Checkout
AIRCRAFT TYPE (GTX 33/330 ONLY)
The aircraft type is transmitted by the Mode S transponder. Set the AC TYPE to rotor, to a weight of less
than 15,500 pounds, more than or equal to 15,500 pounds, or unknown, depending upon the type of
aircraft. The default value is 'less than 15,500 pounds'.
SELECTION
AC TYPE
AIRSPEED (GTX 33/330 ONLY)
The maximum airspeed is transmitted by the Mode S transponder. Set the AIRSPEED field 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, depending on the type of aircraft. Defaults to less than or equal to
150 knots. Enter the aircraft's maximum cruising true airspeed capability.
SELECTION
MAX AIRSPEED
3.2.1.8.4 Audio (GTX 33/330 Only)
While on the GTX Main Setup menu page, press the AUDIO line select key to configure the GTX
transponder audio settings. The GTX Audio setup page is shown in Figure 3-16.
Figure 3-16. GTX Audio Setup Page (GTX 33/330 Only)
Push the small, inner knob in to enter the editing mode. Use the large, outer knob to select the next or
previous editable data field and turn the small, inner knob to change the current setting. Set up the audio
warnings using the parameters described below. Either press the small, inner knob again or press the
MENU/ENTER key to save the settings. Press the BACK smart key to return to the GTX Main Setup
menu.
VOICE
Select desired VOICE (male or female) that will be used for aural message annunciations.
TRAFFIC ALERT
Sets the Traffic Alert to either Tone or Message. Traffic Information Service (TIS) provides notification of
close proximity traffic using the selected alert method.
3-16
DESCRIPTION
UNKNOWN, <15.5K LB, >=15.5K LB, or ROTOR.
DESCRIPTION
UNKNOWN, <=75 KT, <=150 KT, <=300 KT, or >300 KT.
560-0982-01 Rev L GNS 480 (CNX80) Installation Manual