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machinery or equipment using a large trans
former .
(5) FUSE
Note the type and rating of the fuse used.
(6) Operation in a Hot and Humid Place
This instrument is designed to operate in a tem
perature range of 0°C to +40°C and humidity
range of 40 to 90%.
Operation in a servere
environment may shorten the life of the instru
ment .
(7) Intensity
A burn-resisting fluorescent material is used
in the cathode ray tube.
If the cathode ray
tube is left with a bright dot or bright line,
or with unnecessarily raised intensity, its
fluorescent screen may be damaged.
When observ
ing waveforms the intensity should be maintained
at the minimum necessary level.
If the instru
ment is left on for extended periods, lower the
intensity and obscure the focus.
(8) EXT. BLANKING
When a cable is connected to the EXT BLANKING
connector don't place the oscilloscope in an
upright position to prevent damage to the cable.
(9) The highest sweep speed is 100 ns/DIV.
Sweep time switch can be changed from 0.2us/
DIV to 0.2s/DIV in accordance with your re
quirements, and by using the knob
, the
sweep time is magnified by 10 in each range.
Therefore, as permissive ranges of magnified
sweep speed one 0.lys/DlV-O.2s/DIV, don't use
xlO MAG at 0.2US/DIV, 0.5us/DIV.
(10) Caution for using the measured signal as an
external sync signal.
When using the measured signal connected to
the INPUT and EXT TRIG connectors as an exter
nal sync signal, use a divider so that the both
connectors are not connected directly.
Other
wise, the measuring waveform may be distorted
or oscillated.
2.3
Fundamental operation for observing waveforms
with the Oscilloscope V-151F are described
below.
(1)
Preparation
Before using the V-151F set the controls as
follows.
In addition, use these setting when
checking proper operation of the instrument.
10
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