TB 9-6625-2343-50
(b) DATA SPCL.
(c) DATA 49.7.
(d) DATA SPCL.
(5) Adjust A52R47 RMS OFS (fig. 15) for a TI indication of between -0.0005 and 0.0005. (R)
R44 NOTCH FLTR
GAIN
R38 RMS SENS
AUDIO TRUE RMS
AUDIO
DETECTOR AND
A52
R47
NOTCH
RMS OFS
FILTER GAIN
(6) Press TI keys as listed in (a) and (b) below:
(a) DATA 30.0.
(b) DATA SPCL.
(7) Using a tee connector, connect audio analyzer OUTPUT HI to TI
MODULATION OUTPUT /AUDIO INPUT and digital multimeter INPUT.
(9) Set audio analyzer for an output frequency of 2 kHz at a level of 3.9 V.
(10) Adjust A52R38 RMS SENS (fig.15) for a TI display equal to the indication of the
digital multimeter to the third decimal place. (R)
(11) Change audio analyzer output level to 100 mV.
(12) Press TI keys as listed in (a) and (b) below:
(a) MEASUREMENT S (shift).
(b) AUDIO DISTN.
(13) Adjust A52R44 NOTCH FLTR GAIN (fig. 15) for a TI display between 99.9 and 100.1%. (R)
(14) Change audio analyzer output frequency to 800 Hz.
(15) Press TI keys as listed in (a) and (b) below:
(a) BLUE.
(b) 400 Hz DISTN.
(16) TI indication should be greater than 98 percent.
(17) Reduce all outputs to minimum and disconnect equipment setup.
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