Deciphering - Philips AROFLEX CRYPTO EQUIPMEN UA8116 Series Operating Instructions Manual

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5. Push the ENCI button(9); the first 11 groups of the cryptogram are
punched.
6. Insert the tape of the message to be enciphered into the tape reader;
the lamp on the reading head should be lit when the tape is inserted
correctly and the cover is closed. Switch on the tape reader by
means of the switch on the adaptor. The clear text tape runs through
the tape reader and the cryptogram is punched simultaneously.
Switch off the tape reader at the end of the tape.
7. Release the PROCEDURE button at the end of the clear text
tape; owing to the text extension the punch may continue running
for some time.
8. It is possible to exceed the maximum length of a transmission
section (6 pages) for enciphering extremely long messages when the
MEMORY FULL warning (lit OUTPUT button and procedure
signal) is ignored.
Cryptosynchrony will not be lost when such a long message is
deciphered in the DIRECT mode.
9. Using the red button on the tape punch, run out a sufficient length
of tape so that it can be torn off easily.
5.3 Deciphering 1. Insert the plugs of both tape machines into the mains supply sockets.
2. Push the OFF-LINE button and the DECI button; make sure that the
INDIRECT button is released.
3. Load the crypto tape into the fast tape reader.
4. Switch on the fast punch. Wait till the "ready" signal is lit, and start
the tape reader. The deciphered text is punched in bursts.
5. When deciphering is complete, feed out some more tape so that the
punched tape can be torn off; release the DECI button.
RESTRICTED