5-8.Calibration of Probe
As explained previously, the probe makes up a wide range attenuator. Unless phase compensation is properly done, the
displayed waveform will be distortion causing measurement errors. Therefore, the probe must be properly compensated before
use.
Connect
10:l
probe
BNC
to the INPUT terminal of
CHI
or
CH2
and set VOLTSIDIV switch
at
50mV. Connect the
probe tip to the calibration voltage output terminal and adjust the compensation trimmer on probe for optimum Square wave
(minimum overshoot, rounding off and tilt).
FIG.
5-7
(a) Correct compensation
(b)
Over compensation
(c)
Insufficient compensation
5-9.DC
BAL
Adjustments
The ATT balance of the vertical axis can be adjusted easily.
(1)Set the input coupling switches of CHI and CH2 to
GND
and set the
TRIG
MODE to AUTO, then position the base line
to the center.
(2)Adjust the VLOTSmIV switch to 5mV-1
OrnV
and fix the line does not move.
5-1O.Function Generator
The instrument also provides the basic features of Function Generator to satisfy general demand with simply and intuitional
operation method by adjusting the control knobs directly fiom front panel for output waveform, amplitude,
DC
level and etc.
All the control knobs located in front panel are marked with the same color to prevent missetting.
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