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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
2 KEY VARIABLE SETTINGS
2 . 1
G e n e r a l
For the purpose of secure communication Net variables are available
to the terminal.
Net variables are loaded into the SPENDEX 40 from a loading device
KYK-13 or a tape reader KOI-18 and are stored in encrypted form in a
memory. This memory receives its supply from the battery, so that its
contents are not lost in case of a power breakdown.
2 . 2 N e t V a r i a b l e
A Net variable is a key variable for setting up a secure call with a
terminal of type SPENDEX 40. The user can himself choose from the Net
variables stored in the memory, on condition, however, that a key
variable is selected which is available also to the terminal at the
other end. The memory can hold at the most 20 Net variables
(compartments 00...19).
9 9 2 2
1 5 4
1 3 0 6 1
2 - 1
NATO RESTRICTED
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