TB 9-6625-2343-50
(24) Press TI keys as listed in (a) through (c) below:
(a) DETECTOR AVG.
(b) DISPLAY RATIO.
(c) DISPLAY LOG/LIN.
(25) Change calibrator output frequency to 10 kHz.
(26) TI will indicate within limits specified in second row of table 4. If not, perform b below.
(27) Repeat technique of (25) above for remaining calibrator frequencies listed in
table 4. If TI
indications are not within
limits specified, perform b below.
Calibrator
Test instrument
Frequency
Indication (%)
output
Min
Max
1 kHz
Ref.
Ref.
10 kHz
99.2
100.8
150 Hz
99.2
100.8
90 Hz
99.2
100.8
(28) Press TI keys as listed in (a) through (c) below:
(a) DISPLAY RATIO.
(b) DETECTOR PEAK+.
(c) DATA 5.1, SPCL.
(29) Set calibrator for a wideband output of 10 kHz at an amplitude of 383 mV.
(30) Adjust calibrator output amplitude for a TI indication of 80 percent multiplied
by the reading recorded in step (6) above.
Example: 80 percent AM X 1.004 = 80.32 percent AM
(31) Press calibrator NEW REF key.
(32) Press TI 80, RATIO keys.
(33) Change calibrator output frequency to 50 kHz.
(34) TI will indicate within limits specified in first row of table 5. If not, perform b below.
(35) Repeat technique of (33) above for remaining calibrator frequencies listed in
table 5. If TI
indications are not within
limits specified, perform b below.
Calibrator
Test instrument
Frequency
Indication (%)
output
Min
Max
50 kHz
98.9
101.1
100 kHz
96.9
103.1
50 Hz
98.9
101.1
20 Hz
96.9
103.1
(36) Press TI 3.1, SPCL keys.
(37) Change calibrator output frequency to 50 Hz.
(38) TI will indicate within limits specified in first row of table 6. If not, perform b below.
(39) Repeat technique of (37) above for remaining calibrator frequencies listed in
table 6. If TI
indications are not within
limits specified, perform b below.
10