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Page Title:
Table 3-1. Controls and Functions |
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|  TM 11-5820-917-13
Controls and Functions
Control or
Fig.
ref.
Function
indicator
1.
Displays relative signal mode time delay and signal
CRT Display
amplitude in Y-axis, frequency in X-axis. Refer to
2.
DISPLAY 1
When pressed to lighted position, selects last received
path 1 chirpsounder record for display on CRT.
switch-indicator
3.
When pressed to lighted position, selects last received
DISPLAY 2
path 2 chirpsounder record for display on CRT.
switch-indicator
4.
When pressed to lighted position, selects last received
DISPLAY 3
path 3 chirpsounder record for display on CRT.
switch-indicator
5.
Sequentially cycles each of the three paths for display
CYCLE
switch-indicator
on the CRT. Displayed time (cycle rate) is about two
seconds per path.
6.
When pressed, erases a stored cursor when overlapped
CURSOR
ERASE
with movable cursor.
switch
7.
When pressed, moves cursor from right to left on CRT.
CURSOR
switch
8.
CURSOR
When pressed, moves cursor from left to right on CRT.
switch
9.
When pressed, causes a cursor to be stored and displayed
CURSOR
STORE
on the CRT screen in a fixed frequency position. The
switch
position corresponds to the position of the movable cursor.
Up to six fixed cursors can be stored and displayed.
10.
Provides digital readout of movable cursor frequency
CURSOR FREQ.
on MHz display. Cursor frequency substitutes for
pushbutton switch
receiver frequency when switch is actuated. When a
fixed cursor frequency readout is required, the movable
cursor is positioned behind the fixed cursor and the
switch depressed.
When pressed to lighted position, initiates both a
TEST
11.
receiver functional test cycle and a standby battery
switch-indicator
voltage test.
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