COMMUNICATIONS, VHF COM
Operation
Aircraft Operations Manual
4/3.2
C
PAGE
2
Jun 01/18
COLLINS PRO LINE II
CONDITIONS
NORMAL PROCEDURES
2.4
COMMUNICA-
TIONS
Frequency set up
1. Frequency selector
SET FREQUENCY.
. . . . . . . . . . . . . . . . . . . . . . . . . .
−
Proceed with item 3 below.
Frequency set up from memory
1.
XFR/MEM switch
MEM PRESS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Proceed with item 3 below.
2.
XFR/MEM switch
XFR PRESS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Momentarily press switch to XFR, will make chosen memory frequency ac-
tive.
Receiving
3. COM volume lever
AS REQUIRED
. . . . . . . . . . . . . . . . . . . . . . . . . .
−
Use headsets or hand microphones and loudspeakers.
4. NORM/SQ OFF selector
CHECK
. . . . . . . . . . . . . . . . . . . . .
−
Selector normally in NORM
−
position. However, it may be necessary to
deactivate squelch (SQ OFF) to receive weak signals.
Transmitting
3.
XMIT SELECT
−
COM 1/COM 2
SELECT
. . . . . . . . . . . . . . . . . .
−
Check button to be illuminating.
PTT button on ACP
4. PTT button
PRESS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check a T to appear right of active frequency.
5. PTT button
RELEASE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
After message.
PTT on hand microphone
4.
PTT button
PRESS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check a T to appear right of active frequency.
5.
PTT button
RELEASE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
After message.
For Collins Pro Line II VHF COM:
If transmitting on one COM with a frequency separation of 6.4 MHz or less be-
tween the two COMs, the other COM will be blocked out from receiving.
NOTE