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ScopeMeter® Test Tool 190 Series II
Users Manual
26
Variable Input Sensitivity
The variable input sensitivity allows you to adjust any input
sensitivity continuously, for example to set the amplitude
of a reference signal to exactly 6 divisions.
The input sensitivity of a range can be increased up to 2.5
times, for example between 10 mV/div and 4 mV/div in the
10 mV/div range.
To use the variable input sensitivity on for example
input A, do the following:
1 Apply the input signal.
2
MANUAL
AUTO
Perform an Auto Set (AUTO must
appear at the top of the screen).
An Auto Set will turn off the variable input sensitivity. You
can now select the required input range. Keep in mind that
the sensitivity will increase when you start adjusting the
variable sensitivity (the displayed waveform amplitude will
increase).
3
A
Display the INPUT A key labels.
4
F4
Open the INPUT A menu.
5
ENTER
Select and accept Variable.
6
F4
Exit the menu.
At the bottom left of the screen the text A Var is displayed.
Selecting Variable will turn off cursors and automatic input
ranging.
7
mV
V
RANGE
Press mV to increase the
sensitivity, press V to decrease
the sensitivity.
Note
Variable input sensitivity is not available in the
Mathematics functions (+ - x and Spectrum).
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