TB 9-6625-2343-40
a. Performance Check
(1) Press TI keys as listed in (a) through (c) below:
(a) INSTR PRESET.
(b) DATA 30.0.
(c) DATA SPCL.
(2) Reset calibrator.
(3) Connect calibrator WIDEBAND OUT to TI MODULATION OUTPUT/AUDIO
INPUT using cable and termination supplied with calibrator.
(4) Set calibrator for a wideband output frequency of 50 Hz at a level of 3 V.
(5) Press calibrator NEW REF key.
(6) If TI does not indicate within limits specified in first row of table 12, perform b below.
(7) Repeat technique of step (4) above, changing only the calibrator output
frequency to frequencies listed in table 12. If TI does not indicate within limits specified in
Calibrator
Test instrument
Indications
Output
(V rms)
frequency
Min
Max
50 Hz
2.88
3.12
500 Hz
2.88
3.12
5 kHz
2.88
3.12
40 kHz
2.88
3.12
(8) Change calibrator output to a frequency of 40 kHz at a level of 100 mV.
(9) Press calibrator NEW REF key.
(10) If TI does not indicate within limits specified in first row of table 13, perform b below.
(11) Repeat technique of step (8) above, changing only the calibrator output
frequency to frequencies listed in table 13. If TI does not indicate within limits specified in
Calibrator
Test instrument
Indications
Output
(mV rms)
frequency
Min
Max
40 kHz
96.0
104.0
5 kHz
96.0
104.0
500 Hz
96.0
104.0
50 Hz
96.0
104.0
(12) Change calibrator output to a frequency of 380 Hz at a level of 100 mV.
(13) Press TI keys as listed in (a) through (d) below:
(a) MEASUREMENT S (shift).