TM 11-4920-292-15
VOLTS ADJUST control until EXC VOLTS
b. Using the field tester with cable W4, con-
meter indicates 23.5 volts.
nect the equipment as shown in figure 11-1.
j. Rotate MODE SELECTOR clockwise to
c. Connect cable W1 between J805 of 400-
MON, COMP, and IND positions successively
cycle power supply and 1J1 POWER of con-
while observing EXC VOLTS meter at each
trol console.
setting. EXC VOLTS meter shall indicate 23.5
d. Connect cable W4 between 5J2 INPUT
volts in MON and IND positions of MODE
of field tester and 1J4 EXT CX & TEST and
SELECTOR and 0 volt in COMP position.
1J3 MONITOR of control console.
k. Set E1 NORM-El REV switch to E1
e. Connect J803 of 400-cycle power supply
NORM. El NORM indicator shall light.
to 28-volt dc power source.
l. Set E1 NORM-El REV switch to E1 REV.
f. Set POWER ON-POWER OFF switch of
El REV indicator shall light.
control console to POWER ON. POWER ON in-
dicator shall light and FREQUENCY meter
m. Set E2 NORM-E2 REV switch to E2
shall indicate 400 5 cycles. If these values
NORM. E2 NORM indicator shall light.
are not obtained, perform steps g and h, below.
n. Set E2 NORM-E2 REV switch to E2
g. Check 11/2-ampere fuses. Replace defective
REV. E2 REV indicator shall light.
fuse.
o. Set E2 NORM-E2 REV switch to OFF.
h. Check indicator lamp. Replace defective
lamp.
p. Set E1 CHECK-E2 CHECK switch to E1
CHECK. E1 CHECK indicator shall light.
i. Set MODE SELECTOR to CAL and adjust
E1 and E2 line regulation, readout command accuracy, and 800-cycle index error tests.
11-3
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