SECTION VI CALIBRATION PROCESS FOR GENERAL RADIO, MODEL 14154A

TB 9-1430-201-50

17. Final Procedure

a. Deenergize and disconnect all equipment.

b. In accordance with TM 38-750, annotate and affix DA Label 80 (US Army

Calibration System). When the TI cannot be adjusted within tolerance, annotate and affix

DA Form 2417 (Unserviceable or Limited Use tag).

SECTION VI

CALIBRATION PROCESS FOR

GENERAL RADIO, MODEL 14154A

NOTE

Unless otherwise specified, verify the results of each test and

take corrective action whenever the test requirement is not

met before continuing with the calibration.

18. Preliminary Instructions

a. Personnel should become familiar with sections I, II, and VI before beginning the

calibration.

b. Items of equipment used in this procedure are referenced within the text by common

name and item identification number as listed in tables 2 and 3. For the identification of

equipment referenced by item numbers prefixed with A, see table 2 and, for prefix B, see

19. Ratio Accuracy

a. Performance Check

(1) Connect equipment as shown in figure 2.

(2) Position TI dials to 999(10).

(3) Adjust voltage divider (A3) to 999999X.

(4) Adjust output of voltage standard (A4) to 12 volts.

(5) Adjust lead compensator (A5) BALANCE 1 control for null on null detector (A1).

(6) Set TI and voltage divider controls to zero.

(7) Adjust lead compensator BALANCE 2 control for null on null detector.