Table 3-1. Controls and Indicators (cont)

TM 11-5820-918-13

Table 3-1.

Controls and Indicators - Continued

Figure

Function

Control

reference

NOTE

Changing position of UPPER FREQ switch during a frequency sweep

may cause the transmitter to reset to 2 MHz until the next sweep

start time. The position of this switch should only be changed when

the sweep is stopped.

ADV TIMER

When actuated, advances system time one minute.

17.

MODE switch must be in SET position.

Pushbutton

12 toggle switches labeled 0 through 55 in five

MINUTES

18.

Programmer

minute increments for control of sweep start dur-

ing any hour period. These switches are active

Switches

only when MODE switch is in SET or PROG posi-

tion. When in up position, the transmitter sweep

will start; with the switch in down position the

sweep is disabled for the particular five-minute

period.

.1 PWR/FULL PWR

A two-position toggle switch that selects either

19.

full power or 1/10th of full power for TCS-4B

Switch

transmitter output to antenna.

When MODE switch is in MAN or SET position,

20.

RESET

Pushbutton

switch lights to indicate reset function is enabled.

When actuated in manual mode, resets frequency

Switch-indicator

sweep to lower limit, 2.00 MHz. When actuated in

set mode, resets system time to zero.

STOP

Stops sweep in manual mode. The switch lamp

21.

Pushbutton

lights when MODE switch is in MAN position to

indicate that switch function is enabled.

Switch-indicator

NOTE

STOP switch is illuminated when in SET mode, but switch function

is not enabled.

Starts

sweep in manual mode; initiates system time

22.

START

Pushbutton

in set

mode. The switch lamp lights when MODE

switch

is in MAN or SET position to indicate that

Switch-indicator

switch

function is enabled.

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