TT21/TT22 Transponder Installation Manual 22 August 2017
00560-00 AP
______________________
58 Trig Avionics Limited
13.3 Front Panel Cut-out Options
The front panel controller can be fitted to either the compact mounting hole or
a conventional 57mm (2¼ inch) instrument cut-out. The compact mounting is
a truncated 58 mm opening; please note that the mounting screws are NOT in
the same location for the two options.
Note: The following diagram is intended to be to scale, however
variations in the printing process mean that you MUST check all
dimensions before using it as a template.