Table 3-1. Controls and Functions (cont)

TM 11-5820-917-13

Table 3-1.

Controls and Functions - Continued

Control or

Fig.

Function

ref.

indicator

When MODE switch is in MAN or SET position, switch

26.

RESET

lights to indicate reset function is enabled. When

switch-indicator

actuated in manual mode, resets frequency sweep to lower

limit, 2.00 MHz. When actuated in set mode, resets

selected path time to zero.

Stops sweep in manual mode. The switch lamp lights

27.

STOP

when MODE switch is in MAN position to indicate that

switch-indicator

switch function is enabled.

NOTE

STOP switch is illuminated when in SET mode,

but switch function is not active.

Starts sweep in manual mode; starts path clock in SET

28.

START

mode. The switch lamp lights when MODE switch is in

switch-indicator

MAN or SET position to indicate that switch function is

enabled.

Four-position rotary switch selects receiver mode of

MODE

29.

operation:

switch

a. CONT: Enables continuous sweeping.

b. MAN: Enables START, STOP, and RESET switches

for manual sweep control.

c. SET 1, SET 2, SET 3: Enables RESET and START

switches for control of path 1, path 2, or path 3 clock.

d. PROG: Enables automatic sweep under control of

the MINUTES PATH PROGRAMMER switches.

Controls brightness of CRT screen.

CRT BRIGHT

30.

potentiometer

ON-OFF control for battery circuit of program timer

BATT

31.

standby power supply.

switch

NOTE

Once the receiver is synchronized to any

transmitter this switch should be left on.

When on, battery control of the timer

becomes automatic in the event of primary

AC power failure.

3-6