TB 9-4931-700-50
(33) Position TI controls as listed in (a) through (c) below:
(a) Press VOLTAGE RANGE 100mV pushbutton.
(b) Set voltage controls to obtain indication of 100.0000 mv.
(c) Press ERROR RANGE 0 pushbutton.
(34) Set distortion analyzer range to 100 mV.
(36) Adjust ac/dc voltmeter dials to obtain a null indication. Leave voltage readout
dials set.
(38) Position TI controls as listed in (a) through (c) below:
(a) Press VOLTAGE RANGE 1V pushbutton.
(b) Set voltage controls to obtain same indication recorded in (17) above.
(c) Press ERROR RANGE X.1 pushbutton.
(39) Adjust ERROR MEASUREMENT control to obtain null indication on ac/dc
voltmeter. The % ERROR scale will indicate within 0.052 percent.
(40) Set decade resistor dials to 3010 ohms and connect across TI OUTPUT
terminals, using cable (B7).
(41) Repeat (33) through (39) above.
b. Adjustments
NOTE
adjustments.
(1) Press FREQUENCY RANGE X10K pushbutton and adjust FREQUENCY
control to obtain FREQ scale indication of 10.
(2) With thermal transfer standard in manual balance mode and dc output state,
adjust its manual balance controls to obtain ac/dc voltmeter indication equal to the value
of TI voltage controls setting.
(3) Set thermal transfer standard to ac balancing state. Adjust TI A3C12 (fig. 2)
to obtain null indication on thermal transfer standard meter with its null X5 pushbutton
pressed (R).
(4) Set thermal transfer standard to ac balancing state. Adjust TI A6R16 (fig. 2)
to obtain null indication on thermal transfer standard meter with its null X5 pushbutton
pressed (R).
(5) Press FREQUENCY RANGE X1K pushbutton and adjust FREQUENCY
control to obtain FREQ scale indication of 10.
(6) Set thermal transfer standard to ac balancing state. Adjust TI A14R7 (fig. 2)
to obtain null indication on thermal transfer standard meter with its null X5 pushbutton
pressed (R).
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