TB 9-5915-214-24
(2) KILO parameter key.
(3) FREQ parameter key.
c. Connect calibrator to INPUT CH 1 using 50 : termination and adjust calibrator for
a 20 kHz, 0.1 V output.
d. Connect true rms voltmeter to rear panel CH 1 OUTPUT using 50 : termination
and reference true rms voltmeter to 0 dB.
e. Adjust calibrator for a 2 MHz, 0.1 V output. If true rms voltmeter does not indicate 0
dB, r0.01 dB, adjust C265 (fig. 1) until true rms voltmeter indicates 0 dB, r0.01 dB, or as close
to 0 db as possible.
f Press corresponding keys as listed in (1) through (5) below and verify CUTOFF
FREQUENCY indicates 1.500.
(1) 1 data entry key.
(2) . data entry key.
(3) 5 data entry key.
(4) MEGA parameter key.
(5) FREQ parameter key.
g. Adjust calibrator for a 5 MHz, 0.1 V output. If true rms voltmeter does not indicate 0
dB, r0.05 dB, adjust R249 (fig. 1) until true rms voltmeter indicates 0 dB, r0.05 dB, or as close
to 0 db as possible.
h. Repeat b through g above until both indications are within tolerance.
i. Repeat technique of a through h above for CH 2.
a. Press MODE parameter key until CUTOFF FREQUENCY display indicates bYP.
b. Press INPUT(db) ’ and OUTPUT GAIN(db) ’ control keys until displays indicate 00.
c. Press corresponding keys as listed in (1) through (5) below and verify CUTOFF
FREQUENCY indicates 175.0.
(1) 1 data entry key.
(2) 7 data entry key.
(3) 5 data entry key.
(4) KILO parameter key.
(5) FREQ parameter key.
d. Connect calibrator to INPUT CH 1 using 50 : termination.
e. Connect true rms voltmeter to OUTPUT CH 1.
f. Adjust calibrator for a 175 kHz, 0.1 V output and reference true rms voltmeter to 0 dB.
g. Press MODE parameter key until CUTOFF FREQUENCY display indicates L.P.
