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RESTRICTED
Pos
8
Name
PREAMBLE button
ENCI button
10
OUTPUT button
Function
Spring-loaded button for putting AROFLEX into the PREAMBLE
mode for inputting of Format Lines 5 . . .11 and, if required, Format
Lines 14 and 15 before the End of Message function. The Line Feeds
of Format Lines 5 . . .11 are counted for the paging procedure. Lit
lamp indicates PREAMBLE mode.
Spring-loaded button for selecting the enciphering function (indicated
by lit lamp).
In the DIRECT mode, printing/punching of the cryptogram begins
immediately when the ENCI button is pressed, and is terminated by
releasing the PROCEDURE button or by pushing the PREAMBLE
button (for entering Format Lines 14 and 15 in clear text) and then
releasing the PROCEDURE button to generate the EOM.
When the ENCI button is pressed in the INDIRECT mode, AROFLEX
prints ten slants (//////////) to indicate the point at which enciphering
begins. The input is printed/punched in clear text. When enciphering
in the INDIRECT mode is terminated (by releasing the PROCEDURE
button or pushing the PREAMBLE button) ten slants are printed again.
Spring-loaded button for producing the enciphered or deciphered
output prepared in the INDIRECT mode.
The lamp inside the button is lit during production of the output.
Pushing the lit button twice stops the output and starts it again at the
beginning; the 'output can be repeated as many times as required.
If the OUTPUT lamp lights during enciphering in the INDIRECT mode
(accompanied by the procedure signal and blocked keyboard) the
memory is full, and enciphering must be terminated in order not to
exceed the permitted maximum length of a cryptogram according to
ACP-127. In the DIRECT mode it is possible to continue the cryptogram
(contrary to ACP-127) to 99 complete pages; the deciphering of
such an extremely long cryptogram should also be done in the DIRECT
mode.
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