TB 9-5915-214-24
(b) MEGA parameter key.
(c) FREQ parameter key.
(6) Connect true rms voltmeter to OUTPUT CH 1 using 2 MHz low-pass filter.
(7) If true rms voltmeter does not indicate <200 PV, perform b below.
(8) Press corresponding keys as listed in (a) through (e) below and verify CUTOFF
FREQUENCY indicates 200.0.
2 data entry key.
(a)
0 data entry key.
(b)
0 data entry key.
(c)
KILO parameter key.
(d)
FREQ parameter key.
(e)
(8) If true rms voltmeter does not indicate <200 PV, perform b below.
(9) Repeat technique of (1) through (8) above for CH 2.
b. Adjustments. Perform adjustments as indicated in Section IV if not previously
performed.
12. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
ADJUSTMENT PROCESS
13. Preliminary Instructions. The procedure in paragraphs 14 through 19 should be
performed only if an out-of-tolerance condition exists in paragraphs 7 through 12 above.
14. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
the 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. Remove top and bottom protective covers from TI to gain access to test points and to
make adjustments if necessary.
b. Connect TI to a 115 V ac source.
c. Press POWER pushbutton to ON and allow at least 20 minutes for equipment to
warm-up.
11