TM 55-4920-428-13
e. Adjust the test aid variable resistor until No. 1 multimeter indicates 2.0 volts ac. The meters shall
indicate as follows:
METER
No. 2 multimeter
DVM
SAS 1 NULL Meter
INDICATION
1.90 to 2.10 volts dc
1.93 to 2.06 volts dc
9 to 11 microamperes
f. Set SAS 1 EXTERNAL METER SELECT and SAS 1 LINK TEST switches to VALVE. The meters
shall indicate as follows:
METER
No. 2 Multimeter
DV M
INDICATION
-1.23 to -1.37 volts dc
-1.230 to -1.375 millivolts dc
g. Adjust the test aid variable resistor until No. 1 multimeter indicates 1.0-volt ac.
h. Set SAS 1 EXTERNAL METER SELECT and SAS 1 LINK TEST switch to CROSS FDBK. The
meters shall indicate as follows:
METER
INDICATION
No. 2 Multimeter
0.95 to 1.05 volts dc
DVM
0.96 to 1.04 volts dc
SAS 1 NULL Meter
4 to 6 microamperes
i. Set SAS 1 EXTERNAL METER SELECT and SAS 1 LINK TEST switches to VALVE. The meters
shall indicate as follows:
METER
No. 2 Multimeter
DV M
INDICATION
-0.617 to -0.683 volts dc
-.607 to -.693 millivolts dc
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