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(c) Between procedure signs (except that it is not used before the “erase" sign nor before the “finale” sign AR) and between the last group of a portion of a dispatch and a procedure sign.
(d) In signals as indicated in the detailed procedure for sending signals.
Example (a). (1) B 25
B 34 II Y II GR 9 II Proceed on service assigned at time previously indicated 2210 AR. (2) B 25 B 34 II GR 35 II The following dispatch has been
received from Navy Department quote 1024 Direct Commanding Officer Pennsylvania proceed immediately to Washington and report to Chief of Naval Operations for temporary duty 0830 signed Secnav unquote comply 2045 I TOR II 2330 AR.
Example (6) B 25 B 34 II GR 4 BT LUBO I AKYB II QKCD II 1040 I
IMI I GR 4 BT LUBO I AKYB I QKCD II 1040 AR.
Example (c). B 25
B 34 II GR 105 II First portion of dispatch II B. NOTE.-The spacing on each side of a “break”sign should be lengthened sufficiently to make it quite distinctive; the "break” sign itself may then be made as quickly as possible, care being taken, however, that its component parts are not run into one another and thus confused with the letter “H."
IM, THE “SIGNALS” SIGN. 378. The “signals” sign or signals follow" sign, IM, made as one sign (..--), may be called the signal indicator, and its use and position in signals correspond to the use and position of the double dash sign (BT) for code dispatches. The signal sign precedes all “ʻsignals” and indicates the signification of that which follows is to be found in a signal book. The construction of the signal will show which signal book is used.
IMI, THE “REPEAT” SIGN. 379. The "repeat” sign, IMI made as one sign (..--..), signifies "repeat." It is used during, or immediately following, the transmission of a signal or dispatch to request a repetition of that
part which was not received; and it must be used prior to acknowledging receipt of the signal or dispatch. Once the signal or dispatch has been acknowledged as having been received "R"), the repeat sign must not be used to request a repetition, but such repetition must be obtained by use of the procedure sign “J."
380. When a dispatch is made twice through (as in dispatches sent in code), the "repeat” sign is inserted between the first and second transmission.
B 25 B 34 II GR 3 BT LUBU II ABQK II 1040 II IMI II
Example (6) B 34 has the following dispatch for B_25: “Following received from operations quote 1028 FACED IMOPU CABAD BABAB 1525 unquote Commander Battleship Division Seven comply 2028.?! B 34 sends the dispatch as follows:
B 25 B 34 II GR 18 I Following received from
operations quote BT 1028 II FACED II IMOPU II CABAD II BABAB II 1525 II IMIII BT 1028 II FACED II IMOPU II CABAD II BABAB II 1525 unquote Commander
Battleship Division Seven comply 2028 AR. 381. Requests for repetitions of parts of a dispatch necessarily entail either:
(a) Quoting or otherwise indicating those parts of the dispatch which were correctly received and which stand next to (before, after, or on either side of) the doubtful part, or
(6) Indicating the doubtful part itself.
382. Requests for repetitions are normally made by using IMI as shown below. A special case, used in plain-language dispatches, is dealt with by using IMI in conjunction with "
“WA. PROCEDURE FOR USE OF IMI. 383. The general method of using IMI when quoting words or groups in full is as follows:
(a) IMI AB (word or group) signifies "Repeat all before(word or
(6) (Word or group) II IMI II (word or group) signifies “Repeat from (word or group) to (word or group).
(c) IMI AA (Word or group) signifies'“Repeat all after (word or group).
384. If the repetition of single words in plain-language dispatches is required, the word after” sign (WA) is used after IMI and followed by the word after which repetition is desired. Thus: “IMI WA immediately AR" signifies repeat word after “immediately," while “IMI WA immediately II WA of RA” signifies repeat word after “immediately" and word after “of.”
385. In the event of the word preceding the faulty word occurring more than once in the dispatch, "WA”' should be followed by two or three consecutive words immediately preceding the faulty one.
386. In dispatches composed entirely of code groups, in quoting groups by number-
(a) IMI AB (No.) signifies "Repeat all before group No. " (O) (No.) II IMI II (No.) signifies “Repeat from group No. to (c) IMI AA (No.) signifies “Repeat all after group No..." (d) IMİ GR (No.) signifies “Repeat group No. (e) IMI GR (No.) II GR (No.) signifies “Repeat group No. -- and
group No. "
INT, THE “INTERROGATORY” SIGN. 387. The "interrogatory” sign, INT made as one sign (:
-), is used to verify a portion of a code dispatch of which the reception is doubtful. In this connection it signifies “Have I correctly received the portion of the dispatch which I am repeating back?" It questions the receiving ship's own reception of a small portion of the message, and must not be confused with the procedure for "IMI”
(1) B 25 is doubtful of the 22nd group which he has read as “MBQC." B 25 makes:
INT 22 II MBQC AR.
(2) B 25 is doubtful of the time of origin (34th group) which he has read as “1030." B 25 makes:
INT 34 II 1030 AR.
34 I 1040 AR. after which B 25 makes:
R 388. The “interrogatory” sign is never to be used by the receiving ship for obtaining repetition of dispatches or parts of dispatches which have already been answered. In such cases the procedure sign for “Check the coding from the decode and repeat” ()) is to be used, since it can not otherwise be ascertained whether the error (if any) is due to coding or transmission.
389. The "interrogatory” sign is used to give an interrogative sense to a conjoined procedure sign as follows:
(a) With the group sign (GR) as shown in article 373.
(6) With “K” as shown in article 425, and with “Y” as shown in article 450.
IX, THE “PRELIMINARY-EXECUTIVE” SIGN. 390. The_" preliminary-executive” sign for the “executive to follow" is IX (...
made as one sign. 391. It is used immediately preceding the executive sign ( 10 sec.) as a preliminary executive and signifies“ The executive sign will follow immediately.” It is to be repeated several times, or until the transmitting ship is assured the receiving ships are ready and prepared for the executive sign ( 10 sec. ).
Erum ple (a). The commander in chief, having sent by searchlight the signal for "ships right 300" which all ships have received, and desiring to execute the signal makes:
IX IX IX, etc., (until repeated by all ships) followed by a ten-second flash.
TOR, THE "TIME OF RECEIPT” SIGN. 392. The "time of receipt" sign, the letters TOR made separately
- .), is used in conjunction with a four-figure tim
group (similar in composition to the time of origin number) to denote the time at which the receiving ship completes the reception of the dispatch. Thus, in example (a), (2) of article 377, the "TOR II 2330" indicates that B 34 received the quoted dispatch from the Navy Department (department's 1024 0830) at 11.30 p. m.
UN, THE "UNOFFICIAL" SIGN. 393. The “unofficial” sign, the letters UN made separately (..--.), is used in the prefix to indicate the unofficial nature of a dispatch.
394. It immediately precedes the name of the addressee and the name of the person signing the dispatch, thus: “UN to Captain Smith from Jones.'
Example (a). B 25 B 34 II UN to Lieutenant Commander Brown from Stone II will meet you at time indicated AR. 395. The number of groups in an unofficial dispatch is not usually indicated.
WA, THE "WORD AFTER” SIGN. 396. The "word after” sign, the letters WA made separately (. -), is used in conjunction with the “repeat” sign (IMI for obtaining repetitions in plain-language dispatches, to signify “Repeat word after 397. Its use in this connection is explained in article 384.
THE "EXECUTIVE” SIGN. 398. The "executive” sign is a ten-second flash (or blast), which is written in these instructions as (10 sec.). The purport of the signal is to be carried out immediately on the termination of the tensecond dash.
399. The ten-second executive sign is preceded by IX (... as a preliminary signal of execution.
400. When making the executive sign, the text of the signal which is to be carried out is to be repeated before the "executive' sign if
(1) There is any possibility of doubt to which signal the executive sign refers.
(2) When a second further signal requiring an "execute" is made before the "execute” sign is made for the first signal.