The translated 1940 Offizier and Staff Procedure
Codes and Ciphers
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14. In order to speed up the cipher service, cipher groups are to
be formed. For details, see "Schluesselanleitung zum Funk-
schluessel M - M.Dv. Nr. 32/1," section entitled "Praktischer
Schluesseldienst." ("Practical Cipher Service").
15. If the message is to be relayed further by radio, the radio
personnel enciphers it like a message to be enciphered per
Details are set down in the "Schluesselanleitung zum
Funkschluessel M - M.Dv. Nr. 32/l".
D e c i p h e r i n g
16. The following items are to be taken out of the Book Groups of
the cipher form delivered from the radio room, or, as the case
may be, out of the teletype which has come in by wire:
a) Time group
b) Urgency sign
c) Address and signature
d) Reference to Offizier or Staff procedure
e) Indicator letters (Bezeichnungebuchstaben) of the Message
Any dummy letters* appearing on the cipher form behind
the indicator letter which served to fill out the four-letter
group are to be crossed out.
The Book Group following thereupon, is to be especially
17. Corresponding to the Offizier or Staff procedure used, the
Enigma is to be gotten ready as per paragraph 2, and the
Message Setting determined by the indicator letter is to be
set up at the windows of the Enigma.
18. The deciphering begins at the Book Group which has been es-
pecially marked - i.e. at that Group which follows upon the
indicator letter and dummy consonant.
(dummy letters) is written in longhand. The
printed word, which is crossed out, is