TB 9-6625-2217-24
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 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.
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.
Additional maintenance information is contained in the manufacturer's manual and TM
11-6625-3232-40 for this TI.
d. Unless otherwise specified, all control and control settings refer to the TI.
7. Equipment Setup
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
OUPUT(S) to minimum after each step within the performance
check where applicable.
a. Remove protective covers as needed to make adjustments.
b. Connect TI to autotransformer and connect autotransformer to a 115 V ac source
and adjust for 115 V output.
c. Press POWER ON OFF pushbutton to ON and allow at least 72 hours for stabilization.
d. TI will assume the following states:
(1) Display 00000000.
(2) Hz, RESOLUTION, FREQ A, INPUT A
and INPUT B
LEDs ON.
(3) INPUT A and INPUT B TRIG LEDs may be ON or OFF.