Turn Off Procedures.

TM 55-1915-200-10

2-5.4.7. Turn Off Procedures.

NOTE

The synchronizing knob is not to be

operated when the repeater motor is

a. Set ON/OFF POWER switch

(3)

energized.

Transmission Unit to OFF (down) position.

NOTE

q. Position RPTR switch (12, FIGURE 2-117) to

ON.

All repeater loads will require

resynchronization when the unit is

r. Adjust DIMMER control (6) as required.

turned back on.

2-5.4.6. MK 37 MOD E Transmission Unit and Power

2-5.4.8. Gyropilot Settings. (FIGURE 2-120)

Transfer Units Operation.

WARNING

a. Set RATE MULT control (64, Sheet 2 of 2) to

Ship's AC power is present at fuse F1

1.0.

and POWER switch S1 terminals on

the inside of the cabinet cover even

NOTE

when the unit is turned off. THESE

Use 1.0 for light draft loading and up

VOLTAGES ARE DANGEROUS. Use

to 2.0 for full draft loading.

extreme care when servicing or

operating the unit with the front

b. Set RUD LIMIT control (60) to 15 degree

cover open. Personal injury could

position.

result.

NOTE

a. On the MARK 37 MOD E Transmission Unit

Fifteen degree position is usually

(FIGURE 2-119), with the ON-OFF POWER switch (3)

sufficient for keeping heading and

in the OFF position (down), open the front cover of unit

normal heading changes.

and set the repeater switches (4) A2S1 through A2S12

to the OFF (down) position. Close the front cover of

c. Set WEATHER control (61).

unit.

b. Turn on and settle the gyrocompass.

NOTE

c. Set ON-OFF POWER switch (3) to ON (up)

A low setting in normal seas is

position.

desirable for accurate heading

d. Synchronize each compass repeater individually

keeping. A high setting in heavy

to the present compass heading. Locations of compass

seas will reduce ineffective rudder

repeaters are as follows:

activity.

(1) Top pilot house.

d. Set RUD MULT control (63) to initial setting of

(2) Port and starboard bridge wings.

1.0.

(3) Emergency steering room.

e. Set HAND/AUTO/REMOTE mode switch (62) to

HAND.

e. Set each associated repeater switch (4) on the

Transmission Unit to ON when synchronized.

2-360