TB 55-4920-428-35
(e) PRESS TI SAS2 FEEDBACK SELECT to CROSS.
(f) FUNCTION SELECT to CLSD LOOP.
(50) Digital multimeter will indicate between .8 and 1.0 vac. Observe TI DVM for an indication between .8 and 1.0.
(51) Set TI POWER to OFF.
(62) Position TI controls (a) thru (e) below:
(a) SYSTEM SELECT to BITE.
(b) EXTERNAL METER SELECT SAS2 to CROSS FDBK.
(c) BITE to SAS2 CROSS.
(d) POWER to ON.
(e) PRESS TI SAS2 FEEDBACK SELECT to SELF.
(53) Digital multimeter will indicate between .8 and 1.0 vac. Observe TI DVM for an indication between .8 and 1.0.
(54) Set TX POWER to OFF and disconnect test equipment.
b. Adjustments.
(1) Adjust TI 28 vdc power supply PS2 potentiometer R10 for 28 vdc indication on digital multimeter (R).
(2) Remove bracket from TI DVM and adjust TI DVM ZERO adjust on left side of indicator for 00.00 on TI DVM
(R).
(3) Remove bracket from TI DVM if necessary and adjust TI DVM SPAN (R1) adjust on back of indicator for the
reading recorded in 8a(10) above on TI DVM (R).
NOTE
TEST SET has been Modified and Calibration Procedure Specifications have been Changed. Modified
Test Set Only.
10. Power Supply and Bite Voltages (Modified Test Set Circuit).
a. Performance Check.
(1) Set TI POWER switch to OFF.
(2) Connect digital multimeter (A4) leads B6) to the TI terminal board TB 4-10 (HI) and TB 4-4 (LOW).
(3) Set digital multimeter RANGE switches to 50 vdc.
(4) Set TI POWER to ON.
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