TB 9-6695-263-35
(8) Adjust calibrator to frequencies listed in table 5. At each frequency, press all
RATIO, HP and LP FILTER pushbuttons to off. Then press RATIO % and FILTER
pushbuttons as listed in table 5. If TI does not indicate between 98.99 and 101.01 percent,
at each setting, perform b below.
Calibrator frequencies (Hz)
Test instrument FILTER pushbuttons
200
50
Hz HP FILTER
2,000
50
Hz HP FILTER
1,000
300
Hz HP FILTER
10,000
300
Hz HP FILTER
1,000
3
kHz LP FILTER
100
3
kHz LP FILTER
10,000
15
kHz LP FILTER
1,000
15
kHz LP FILTER
10,000
>20
kHz LP FILTER
1,000
>20
kHz LP FILTER
b. Adjustments
(1) Disconnect cable from TI INPUT.
(2) Connect signal generator output to TI INPUT.
1 kHz rate.
(4) Position controls as listed in (a) and (b) below:
(a) 41.0 SPCL pushbuttons pressed.
(b) MEASUREMENT AM pushbutton pressed.
(5) Press RATIO % pushbutton button.
(6) Press LP FILTER >20 kHz pushbutton.
(7) Adjust A2R44 20 kHz LPF GAIN (fig. 1) until TI indicates 100 percent (R).
(8) Press LP FILTER 15 kHz pushbutton.
(9) Adjust A2R40 15 kHz LPF GAIN (fig. 1) until TI indicates 100 percent (R).
NOTE
Do not perform power supply check if all other parameters are
within tolerance.
a. Performance Check
(1) Connect multimeter input between A10TP3 (fig. 1) and ground. If multimeter
does not indicate between 14.9 and 15.1 V dc, perform b below.
(2) Connect multimeter input between test points listed in table 6 and ground.