TM 55-6930-214-10
a. Instructor Private Communications (PILOT/CPG INSTR PVT, OBV PVT). The
following criteria apply:
(1) Instructors can call and communicate with the other instructor or with
their own observer.
(2) Either observer can call and communicate with either instructor.
(3) When a call is initiated by a keypress, the caller switchlight and the
called party switchlight identifying the caller both flash.
(4) The flashing light is terminated by:
(a) The caller pressing the same switchlight.
(b) The caller selecting another interlocked switchlight.
(c) The called party answering the call by pressing the flashing switchlight.
(5) When the called party answers the call by pressing the flashing switch-
light, both the caller switchlight and the called party switchlight are lit
steadily, and a communications path between them is established. Actuation of
push-to-talk switches on the headset cord is required to enable the audio gates.
(6) The lights are extinguished and communications terminated by:
(a) The caller pressing the same switchlight.
(b) The caller selecting another interlocked switchlight.
(c) The called party deselecting the call by pressing the caller switchlight.
(d) The called party initiating another call on an interlocked switchlight.
(7) The instructor (PILOT INST PVT or CPG INST PVT) PRIVATE COMM is functional
in integrated and independent mode.
b. Trainee Private Communications (PILOT PVT, CPG PVT). The following criteria
apply:
(1) Either instructor can selectively communicate with either trainee.
(2) Private communications to trainees is operational in integrated and
independent mode.
(3) The trainee PRIVATE COMM (PILOT PVT or CPG PVT) is an override function.
The instructor can communicate with the trainee regardless of trainee
communications configuration.
(4) The instructor selects the desired trainee private communications
switchlight. The pertinent switchlight is then lit steadily, and a private commu-
nications path to the trainee is enabled. Hot-mic operation is used.
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