TB 9-6625-2215-35
b. Adjustments
(1) Remove bottom cover from TI.
(2) Connect signal generator to TI 50 Ω input.
(4) Set TI GATE TIME SEC switch to .1 and RANGE MHz switch to 500.
(5) Adjust A1R6 (located bottom side lower center of board A1) to obtain stable
indication of applied frequency on measuring system (R).
(6) While reducing signal generator amplitude, adjust A1R6 to obtain maximum
sensitivity.
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA Label/Form in accordance with TB 750-25.
MODEL 5303B
19. Preliminary
Instructions
a. The
instructions outlined in
paragraphs 19 and
20 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
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified all controls and controls settings refer to the TI.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
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.
a. Remove bottom cover from TI.