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Tenma 72-7630 Instructions Manual page 18

4 channel digital storage oscilloscope

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Setting up the Display System
The DISPLAY button on the control
panel is the function key for the
display system.
Functions Menu
Display type
Format
Persist
Intensity
Gratitude
X-Y Mode
This mode offers two separate displays. The
first group is CH1 and CH2, i.e. CH1 signal
input on the horizontal axis (X axis) and CH2
signal input on the vertical axis (Y axis).
The other group is CH3 and CH4, i.e. CH3
signal input on the horizontal axis (X axis) and
CH4 signal input on the vertical axis (Y axis).
In the normal X-Y mode, you can move XY figures horizontally with the CH1 or
CH3 position control and move XY figures vertically with the CH2 or CH4 position
control. Adjust the dimension and shape of XY figures with VOLTS/DIV of the
four channels and turn the SEC/DIV control to improve the display quality of the
Lissajous figure.
Thanks to the unique X-Y display feature, your oscilloscope can display channel
waveform and Lissajous figure concurrently.
The oscilloscope also offers the following functions :
Automatic measurement mode
Cursor measurement mode
Reference or math waveform
Note: The following functions are disabled under X-Y mode:
Dual time base
Horizontal position control
Setup
Vector
Sampling points are linked for display
Dots
Sampling points are directly displayed
YT
Operating mode of the oscilloscope X-Y is the display mode
XY
CH1 is X input CH2 is Y input
(2 groups)
CH3 is X input CH4 is Y input
Auto
Waveform on screen is refreshed at normal rate
1s
Waveform on screen is maintained for 1 sec then refreshed
2s
Waveform on screen is maintained for 2 secs then refreshed
5s
Waveform on screen is maintained for 5 secs then refreshed
Infinite
Waveform on screen remains on display. New data will be
added continuously until this function is disabled
In Fast ACQ mode intensity of the waveform can
1-32
be adjusted with the multifpurpose control.
Full
Grid
Set the grid display mode of the waveform zone to full, grid,
Crosshair
Cross Hair or frame
Frame
Notes
18

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