User's Manual
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TFM-550 Installation & Operating Instructions TiL 99RE262 Rev A Issue 8
A-11
NOTE: For the following tests, select a frequency at the top, middle and bottom of each band of
the TFM-550 transceiver.
30 to 50
MHz Band
138 to 174
MHz Band
403 to 512
MHz Band
Frequency #1
Frequency #2 489
Frequency #3 510
H. At a safe altitude engage the autopilot or stability augmentation system. Modulate the TFM-550
transmitter on the above frequencies for at least 20 seconds. Observe any effect on the autopilot
or stability augmentation system.
Observations:
I. Perform a coupled ILS approach to the aircraft's certified limits. Modulate the TFM-550
transmitter on the above frequencies for at least 20 seconds. Observe any effect on the autopilot.
Repeat for second flight director/autopilot if equipped.
Observations: