WaveSurfer DSO
WS-OM-E Rev B 49
Finding Scale
You can access the Find Scale button from the channel setup dialog. This feature automatically
calculates peak-to-peak voltage, and chooses an appropriate Volts/Div scale to fully display the
waveform.
To Use Find Scale
1. Touch the trace label for the waveform you desire.
2. Touch the Find Scale icon.
Variable Gain
Variable Gain lets you change the granularity with which the gain is incremented. For example,
when Variable Gain is disabled, the gain will increase or decrease in preset increments of 10 or
100 mV each time you touch the Up/Down buttons.
However, when Variable Gain is enabled, you can increase or decrease the gain in increments
as small as 1 mV, depending on the scale of the waveform.
To Enable Variable Gain
1. Touch the descriptor label for the waveform whose gain you want to vary.
2. Touch the Variable Gain check box.
Channel Deskew
Unlike the Deskew math function, channel Deskew does no resampling, but instead adjusts the
horizontal offset by the amount that you enter. The valid range is dependent on the current
timebase +/- 9 divisions.
To Set Up Channel Deskew
1. In the menu bar, touch Vertical; from the drop-down menu, select a channel to set up.
2. Touch inside the Deskew data entry field and enter a value using the pop-up numeric
keypad.
TIMEBASE AND ACQUISITION SYSTEM
Timebase Setup and Control
Set up the timebase by using the front panel Horizontal controls, just as for analog scopes.
For additional timebase setups
1. Touch Timebase in the menu bar, then Horizontal Setup... in the drop-down menu. The
"Horizontal" dialog appears.
2. Touch inside the Time/Division data entry field and enter a value using the pop-up
numeric keypad, or use the up/down arrows to adjust the value.
3. Touch inside the Delay data entry field and type in a value, using the pop-up keypad.
Touch the Set To Zero button to set the delay to zero.
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