TB 9-6625-2173-24
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR TEKTRONIX, TYPE SC504
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
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 manufacturers' manuals for this TI.
d. When indications specified in paragraphs 28 through 33 are not within tolerance,
perform the power supply check (paragraph 34) prior to making adjustments. If power
supply adjustment is made, repeat paragraphs 26 through 33. Do not perform power
supply check if all other parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.