User Manual

A-6
NOTE:
For the following tests, select a frequency at the top, middle and bottom of the range of the TFM -
138 series transceiver.
Frequency #1 ______________
Frequency #2 ______________
Frequency #3 ______________
E. At a safe altitude engage the autopilot or stability augmentation system. Modulate the
TFM- 138 series transmitter on the above frequencies for at least 20 seconds. Observe
any effect on the autopilot or stability augmentation system.
Observations:
F. Perform a coupled ILS approach to the aircraft's certified limits. Modulate the TFM-138
series transmitter on the above frequencies for at least 20 seconds. Observe any effect on
the autopilot. Repeat for each different system such as ILS #2, GPS, FMS ETC.
Observations: