TB 9-4931-217-40
(2) Adjust ac generator detector DET GAIN control for a convenient indication on
null meter.
(3) Alternately adjust MAIN DIAL and D-Q dial for a null indication on ac
generator detector meter.
(4) Repeat (2) and (3) above as required. It will be possible to obtain a sharp null on
null detector.
(5) Rotate ac generator detector DET GAIN and GEN VOLTAGE controls fully ccw.
b. Adjustments. No adjustments can be made.
24. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR DC GENERATOR DETECTOR MODEL 801
25. Preliminary Instructions
a. The instructions outlined in paragraphs 25 and 26 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
NOTE
Do not remove TI protective cover except when necessary for
access to internal test points. or adjustments. Reinstall
protective cover immediately after completion of performance
check or adjustment.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.