TB 11-6625-620-35-1
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE
FOR
TELETYPEWRITER TEST SET TS-799/UGM-l
Headquarters, Department of the Army, Washington, D.C.
14 May 1974
Paragraph
Page
IDENTIFICATION AND DESCRIPTION
SECTI0N
Purpose and scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Reporting of technical bulletin improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Descriptive data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
Difference among models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
II. EQUIPMENT REQUIREMENTS
Equipment required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 2-l
Accessories required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
III. PRELIMINARY OPERATIONS
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Teat Instrument controls...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
SECTION
Baud rate frequency test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Distortion generation test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Power supply test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Final procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
SECTION I
IDENTIFICATION AND DESCRIPTION
tronics Command, ATTN: AMSEL-MA-DS, Fort Mon-
1-1. Purpose and Scope. This bulletin provides in-
formation for the `periodic calibration of
mouth, NJ 07703.
Teletypewriter Test Set TS-799/UGM-1. It is to be
1-3. Descriptive Data. Teletypewriter Test Set TS-
used by personnel trained and qualified in the use of
799/UGM-l is a transistorized test set, consisting of
three main functional circuits: the test message
are trained and qualified in the usage of test and
generation logic, the distortion generation logic, and
measuring equipment, detailed instructions con-
the output circuits. Additional data is listed in a, b,
cerning the operation and use of these equipments
and c as follows:
are not contained in this bulletin.
a. Identification.
1-2. Reporting of Technical Bulletin Im-
Nomenclature ., . . . . . . .Test Set, Teletypewriter TS-
provements. The reporting of errors, omissions, and
799/UGM-1
recommendations for improving this bulletin is
Federal stock number 6625-975-0196
Size . . . . . . . . . ... . . 82 3/32 x 17 1/8 x 8 7/16 in.
authorized and encouraged. Submit reports on DA
Weight . . . . . . . . . . . . . . . . . . . . . . ..21 lbg
Form 2028 (Recommended Changes to Publications
References . . . . . . . . . . . . . . . . . . ..TM 11-6625-620-12
and Blank Forms) direct Commander, US Army Elec-
TM 11-6625-620-45-1
1