OPERATING PROCEDURE

TM 11-5820-890-10-8

FCTN Switch: Run self-test (TEST).

FCTN Switch (Used with the INIT switch to):

Set RF Power (RF).

Set AT MODE (RT MODE), to include turning power off.

Change channels (CHAN).

Select COMSEC key (VAR).

Select CT or PT (COMSEC).

Control status (Should read "M").

INIT Switch: Used in conjunction with the FCTN switch to make

the changes cited above. Moving the INIT UP causes FCTN

markers to move to the right; moving it DOWN moves markers to

the left.

RADIO Switch: Selects the radio to be controlled.

Position 1 controls the RT in the A position of the VAA;

Position 2 controls the RT in the B position of the VAA, and,

Position 3 is for an RT in the A position of a second VAA.

OPERATING PROCEDURE

To place the control monitor in operation and be assured it is

performing properly, follow the steps shown in Figure 4-30, below.

Set VAA CB1 to ON; VIC (if used) to ON; RT FCTN

(1)

to REM.

Test C-M: set C-M FCTN to TEST; check

(2)

displays; must read "Gd" and "M" or "S" at end of

test.

Set RADIO switch to RT being controlled;

(3)

CONTROL must indicate "M" (if not set FCTN to

CONTROL and use INIT switch to change).

Check initial displays: RF at LO; RT MODE at SC;

(4)

CHAN at 0; COMSEC at PT; VAR blank (If display

shows "F7" lift INIT and release; "Ud" (update)

should then appear and controls show as above).

Figure 4-30. CONTROL MONITOR OPERATION

4-43