DN082-02v02
JYE Tech - 1 -
LCD Digital Storage Oscilloscope
Manual of Operation
Applicable Models: 08201/08201B, 08202/08202B
1.
Packing List
Items
08201/08201B
08202/08202B
082 Digital Storage Oscilloscope
1
1
AC/DC Power Adapter
1
1
BNC Probe
1
Operating Manual
1
1
2.
Precautions
1)
Do not use a supply voltage higher than the specified maximum input voltage of
9-12VDC to the instrument, as this may damage it and also invalidate your
warranty.
2)
Do not attempt to directly measure mains power supply without using a step down
transformer. DO NOT EXCEED 50V MAX
3.
Panel Description
The photo above shows the screen and various front panel controls. They are explained
respectively below.
Screen
1)
Vertical position indicator
–
the small triangle on the left border of the grid
–
indicates the 0 volt input
level. Its position can be changed up or down, by pressing [VPOS] and turning the adjustment knob.
2)
Trigger level indicator
–
the small triangle on the right border of the grid
–
shows the threshold
voltage of trigger. It is triggered when the input signal level crosses the threshold voltage level; the
trigger level is referenced to the input signal ground.
3)
Window position indicator
–
indicates the displayed portion of sampled memory. The distance
between the two short vertical bars at the bottom represents the whole length of sampled memory,
which is usually much longer than the screen can display. So at any given moment the screen can only
display a portion of the sampled data. The window position indicator shows which portion is being
Fig 1
