TB 9-6625-2138-35
WARNING
HIGH VOLTAGE is used or exposed during the performance of
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Set switches as listed in (1) through (11) below:
(1) CLOCK to 9600.
(2) PATTERN to 1:1.
(3) EXPONENT RANGE to 2.
(4) SINGLE/CYCLE (PRINTER) to CYCLE (PRINTER).
(5) OFF/LOOP to LOOP.
(6) OFF/XMIT ERRORS to OFF.
(7) OFF/FILTER to OFF.
(8) EVENT to JITTER/TOTAL PEAK.
(9) JITTER/TOTAL PEAK to JITTER.
(10) DATA-DATA to DATA.
(11) DTR/RTS/BACKWARD CHANNEL to DTR.
b. Connect autotransformer to a
115-V ac
source and
adjust for 115 V.
d. Set LINE OFF-ON switch to ON and allow at least 3 minutes for warmup and
stabilization.
a. Performance Check
(1) Remove TI top cover and connect oscilloscope to A14TP1 (fig. 1).