TB 9-4931-488-35
(6) Set AM switch to INT and adjust AM control for a multimeter indication of
0.707 V ac. Adjust METER DRIVE A2R29 (fig. 1) for TI meter indication of 10 on 0 to 10
scale (R).
(7) Adjust AM control for TI meter indications listed in table 13. Multimeter will
indicate as specified; if not, readjust METER DRIVE A2R29 (fig. 1) for best in-tolerance
condition.
Multimeter indications
Test instrument meter
(V Rms)
indications
Min
Max
(0 - 10 Scale)
7
0.487
0.503
5
0.345
0.362
3
0.205
0.220
10
0.697
0.718
(8) Disconnect multimeter from TI. Connect RF OUTPUT to measuring receiver
sensor module.
(9) Position controls as listed in (a) through (i) below.
(a)
LEVEL VOLTS pushbutton pressed.
(b)
AM control fully ccw.
(c)
FM switch to OFF.
(d)
COUNTER MODE LOCK ON released.
(e)
RANGE MHz switch 64-32.
(f)
50 MHz.
(g) OUTPUT LEVEL switch to +10 dBm.
(h) OUTPUT LEVEL vernier control(s) fully cw.
(i) RF OFF/ON switch to ON.
(10) Set measuring receiver to measure AM with AVG DETECTOR.
(11) Adjust AM control for a measuring receiver indication of approximately 20%.
Press measuring receiver RATIO % key.
(12) Adjust OUTPUT LEVEL vernier control(s) for a TI meter indication of -7dB.
(13) Adjust DET A26A1R19 (A26A1R34 for option 002) (fig. 3) for measuring receiver
indication of 100% (R).
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