TB 9-4931-383-50
(3) Set voltage divider (A7) to one-tenth of value of dc transfer standard setting.
(4) Adjust TI for a nominal 10-volt output and set its POWER switch to ON.
(5) Adjust TI voltage dials for a null indication on null detector (A4). Do not change
TI voltage dials until instructed.
(6) Set TI POWER switch to STANDBY/RESET.
(7) Replace dc transfer standard with standard cell in equipment setup.
(8) Set TI POWER switch to ON.
(9) Adjust voltage divider for a null indication on null detector. Record the voltage
divider indication.
(10) Set TI POWER switch to STANDBY/RESET.
(11) Compute the actual value of the dc transfer standard output as follows. If in
step (9) above the voltage divider setting was increased, subtract the amount of change
multiplied by 10 from the standard cell value. If the setting was decrease add the amount
of change multiplied by 10 to the standard cell value. Record the value for future use.
7. Regulation
a. Performance Check
(2) Set decade resistor (A3) to 20 ohms.
(3) Set voltage divider (A7) to .999999X.
(4) Adjust dc transfer standard (A2) for a 1-volt mean output.
(5) Adjust TI voltage dials for a nominal 1-volt output and turn POWER switch to
ON.
(6) Adjust TI voltage dials for a null indication on null detector (A4). Record voltage
dial indication.
(7) Adjust autotransformer (A1) output to 105 volts and wait 1 minute.
(8) Adjust TI voltage dials for a null indication on null detector.
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