TB 9-6625-2342-24
SECTION IV
ADJUSTMENTS
14. Calibration Constants Restoration
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.
a. Press POWER-ON-OFF pushbutton to OFF (out) and remove the cabinet from test
instrument. Remove jumper J156 (fig. 1) from P156 on side board (located on right side of
instrument near rear).
Figure 1. Test instrument jumper location (cabinet removed).
CAUTION
Operation of TI with the cabinet removed may cause damage to
electrical components in the test instrument.
b. Replace cabinet on TI.
c. Connect TI to ac power source.