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NATO RESTRICTED
S P E N D E X
4 0
U A
8 2 5 1 / 0 1
O P E R A T I N G
M A N U A L
4 CONTROLS AND CONNECTIONS (see Fig. 4.1 and Fig. 4.2)
4 . 1
S w i t c h e s
4 . 1 . 1 O n / O f f S w i t c h
The function of this switch is to switch the supply voltage on and
o f f .
4 . 1 . 2 H o o k S w i t c h
The hook switch detects the picking up and replacing of the handset.
Picking up leads to going off hook, so that the terminal is switched
to the line. Replacing leads to going on hook, so that the terminal
is switched off the line. During the replacing of the handset an
alarm that may be present is reset.
4 . 1 . 3 P t t S w i t c h
The Ptt switch has no function.
4 . 2 P u s h B u t t o n s
4.2.1 SECURE Push Button
After a clear call has been set up, pressing the SECURE push button
will establish a secure call providing a Net variable has been
selected.
4.2.2 ZEROIZE Push Button
When the ZEROIZE push button is pressed, all key variables that are
stored will be rendered useless. If the supply voltage is present,
then moreover the contents of a possibly present CIK module will be
destroyed.
9 9 2 2
1 5 4
1 3 0 6 1
4 - 1
NATO RESTRICTED
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