User's Manual

A-4
C. Determine if the image frequency for the VOR/ILS Nav falls within the range of the TFM-138
series unit. If so, select a two sets of frequencies that will cause the TFM-138 series
transceiver to be set as close as possible to the image frequency. Chose one set in the
localizer frequency range, and one in the VOR frequency range. Record those values in the
spaces provided in the following chart. Modulate the TFM-138 series transmitter on the
following frequencies for at least 20 seconds. Listen for any noise or detected audio
signals on the receiver audio; look for any moment of flags or needles on the navigation
display.
FREQUENCIES RESULTS
VOR/ILS #1 TFM-138 series PASS FAIL
108.000 162.0000
108.100 162.1500
Image:
Image:
FREQUENCIES RESULTS
VOR/ILS #2 TFM-138 series PASS FAIL
108.000 162.0000
108.100 162.1500
Image:
Image:
NOTES: