TRIG TT21 / TT22 Supplement GRT Avionics
TT22-2
Revision A
Table of Contents
Section 1: Introduction
1.1 About the Trig TT21/TT22……………………………………………………………………………………….. 3
1.2 Data Port and Hardware Requirements…………………………………………………………………… 3
Section 2: Installation & Wiring
2.1 Suggested Connections…………………………………………………………………………………………… 4
2.2 Worksheet: My System…………………………………………………………………………………………….. 4
2.3 Mechanical Installation…………………………………………………………………………………………… 4
Figure 2-1: Mounting Tray & Overall Dimensions………………………………………………….. 5
Figure 2-2: Trig Adapter Dimensions………………………………………………………………………. 6
Figure 2-3: TT21/TT22 with GRT Trig Adapter Photos…………………………………………….. 7
Figure 2-4: Sample HXr Wiring Diagram…………………………………………………………………. 8
Figure 2-5: GRT Trig Adapter Wiring Diagram………………………………………………………… 9
Section 3: Setup & Programming
3.1 Display Unit & Transponder Setup………………………………………………………………………….. 10
3.2 Post-Installation Checkout………………………………………………………………………………………. 11
Section 4: Pilot’s Guide Supplement
4.1 Remote User Interface…………………………………………………………………………………………….. 13
4.2 Changing Squawk Code………………………………………………………………………………………….. 14
4.3 IDENT Function……………………………………………………………………………………………………….. 14
