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Zero Carryover Test
SECTION IV. CALIBRATION PROCESS WITHOUT POWER METER CALIBRATOR

Calibration Procedure For Power Meter, Me-441/U Model 432A And Model 432B Page Navigation
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TB 9-6625-1935-24
Figure 4. Bottom view - component locations.
(5) Energize TI.
WARNING
HIGH VOLTAGE is present at digital panel meter face,
connector XM1, and power supply transformer pins. DEATH
ON CONTACT may result if personnel fail to observe safety
precautions.
(6) Using nonmetallic screwdriver, adjust potentiometer marked Z (upper right
corner of TI panel meter face) for a 0 indication on TI meter (R).
(7) Deenergize TI and reinstall circuit board assemblies A1/A2 and meter with
meter cover. Remove short from pins 10 and 12 of XA2.
(8) Energize TI and repeat paragraph 11 a above.
12. Final Procedure
a. Deenergize and disconnect all equipment and reinstall covers which may have been
removed from TI.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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