TB 9-6625-357-35
(4) Repeat (3) above with autotransformer output settings of 105 and 125 V.
(5) Return autotransformer output setting to 115 V.
b. Adjustments. No adjustments can be made.
17. Low Pass Dial Accuracy and Unity Gain
a. Performance Check
(1) Connect equipment as shown in figure 4, using termination.
(2) Set CUTOFF FREQ Hz dial to 35 and selector switch to LOW PASS X10K.
as indicated on true rms voltmeter.
(4) Move true rms voltmeter connection from INPUT to OUTPUT. If true rms
voltmeter does not indicate between 0.94 and 1.06 V, perform b (1) below.
(5) Set CUTOFF FREQ Hz dial to 100 and selector switch to HIGH PASS X1. If
true rms voltmeter does not indicate between 0.94 and 1.06 V, perform b (2) below.
(6) Connect frequency counter to INPUT connector.
(7) Set CUTOFF FREQ Hz dial to 60 and selector switch to LOW PASS X100.
indication on true rms voltmeter.
PIN: 054515-001
