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•
Main indicates that the measurement range is within the main time base region.
•
Zoom indicates that the measurement range is within the zoomed time base region.
To use "Zoom", first enable the
Frequency Limit
•
LowPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the upper limit frequency or use the corresponding multipurpose knob to set
the value.
•
HighPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the lower limit frequency or use the corresponding multipurpose knob to set
the value.
•
BandPass: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
•
BandStop: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
The settable ranges of the upper and lower limit frequencies are related to the Math sample rate
(displayed at the bottom of the screen when the Math function is enabled). The sample rate of
the analog channel or the changes of the memory depth can affect the Math sample rate.
Label
It is used to set the label for the math operation results. For setting methods, refer to descriptions
To Turn the Channel Label Display On/Off
in
Expand
The oscilloscope supports two vertical expansion modes: GND (default) and Center.
•
GND: When the vertical scale is changed, the math operation waveform will expand or
compress about the ground level of the signal.
•
Center: When the vertical scale is changed, the math operation waveform will expand or
compress about the center of the display.
Grid
For setting methods, refer to the descriptions in
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Zoom Mode (Delayed Sweep)
.
To Set the Screen Grid
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15
10
20
5
25
0
30
Math Operation
Horizontal System
in the
.
sales@calcert.com
DHO1000 User Guide
menu.
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