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42
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7.2.2 Preparation of auxiliary
tape
1. Push OFF-LINE and
PROC buttons
2. Type Y
3. Insert and turn SPECAT key
4. Type a CR or LF
5. Switch on tape punch and
ensure that AROFLEX is in
DIRECT mode.
6. Push ENCI button
7. Type MACHINE O.K.
CR-CR-LF-NNNN
8. Press and release PROC
button
9. Switch off tape punch; re
move and store SPECAT
key.
Lamps light inside both buttons.
AROFLEX prints 99999 plus check-
word from Step 7 of para 7.2.1,
plus SELECT on next line.
AROFLEX prints Y; procedure
signal sounds; CORR lamp flashes
rapidly.
AROFLEX prints 66666 plus check-
word from Step 12 of para 7.2.1,
plus SELECT on next line.
AROFLEX generates 15 x LF, 2 x
CR, 15x"Ltrs".
INDIRECT button up, lamp ex
tinguished.
ENCI button lights, PROC lamp is
extinguished; AROFLEX prints and
punches eleven 5-letter groups.
AROFLEX prints and punches en
ciphered text.
ENCI lamp is extinguished. ARO
FLEX prints and punches rest of
cryptogram, finishing with BT, group-
count, 8 x LF, NNNN.
RESTRICTED
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