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TM 11-6625-646-15
indicates 10 units to the left of null. Record the
OUPT. Operate the 115V 400~POWER switch to on
resistance on the decade resistor.
(up) position Allow a 20-minute warmup.
g. Hold the CARD TEST SIGNAL switch at R and
adjust the decade resistor until the FUNCTION meter
NOTE
indicates 10 units to the right of null. Record the
When an amplifier card is plugged
resistance on the decade resistor.
into the TS-1894/ASM, a FUNCTION
h. Disconnect the decade resistor.
Install a
meter deviation maybe noted. If the
resistor having a standard value closest to the average
null position is more than two units
of the two values recorded in f and g above for resistor
from zero, the card is defective.
R9. The indicated resistance should not be more than
Each division on the meter scale
68 ohms.
equals two units.
i. Repeat f and g above to insure that the resistor
installed meets the test requirements.
f. Hold the CARD TEST SIGNAL switch at L.
Adjust the decade resistor until the FUNCTION meter
(Next printed page is 65)
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