TB 11-6625-620-35-1
b. Specifications.
Output signal pattern . . . . . . . .Test message ("quick brown
fox" message); selected
characters, reversal (dot cycle)
Output signal reversal
(dot cycle) speeds . . . . . . . . . . 100, 75, 37.5, 37, 23 Hz,
Test message, alternate
R and Y characters
selected characters . . . . . . . . . ..7unit code at 45 or 150 baud
7.6 unit code l t 45, 50,
74 or 75 bauds
Signal distortion
1-4. General Instructions. a. Calibration Repor-
available. . . . . . . . . . . . . . . . . . . ..Mark bias, space bias, space
ting. During the performance of this procedure, an-
end mark end
Percent of signal distortion
notate DA Form 2416 (Calibration Data Card) in ac-
available.. ..................
0 to 50%
cordance with TM 38-750.
Accuracy of signal
b. Test Instrument. Teletypewriter Test Set TS-
distortion output . . . . . . . . . . . 2%
799/UGM-1 will be referred to as the Test In-
Types of output current:
Neutral operation,
strument.
internal supply . . . . . . . . .. 20 milliamperes (mA); 60 mA
1-5. Difference Among Models. None
SECTION II
EQUIPMENT REQUIREMENTS
NOTE
Minimum use specifications are the principal parameters required for performance of the
calibration, and are included to assist in the selection of alternate equipment, which maybe
used at the discretion of the calibrating activity. Satisfactory performance of alternate
items shall be verified prior to use. All applicable equipment must bear evidence of current
calibration.
2-1. Equipment Required. Equipment required for
calibration performance tests is listed in table 2-1.
2-2. Accessories Required. Accessories required
Table 2.1. Equipment Required
Table 2-2. Accessories Required
2