WaveSurfer DSO
WS-OM-E Rev B 47
VERTICAL SETTINGS AND CHANNEL CONTROLS
Adjusting Sensitivity and Position
To Adjust Sensitivity
1. Press the appropriate channel push button, for example to select channel 1. Or
touch the channel descriptor label.
2. Turn the volts per division knob for the selected channel. Or you can touch
inside the Volts/Div field in the channel setup dialog and type in a value using the pop-up
keypad, or use the up/down arrows.
3. The voltage that you set is displayed in the trace descriptor label and
in the Volts/Div field.
To Adjust the Waveform's Position
Turn the vertical offset adjust knob. Or you can touch inside the Offset field and type in a value
on the pop-up keypad. To set the vertical offset to zero press the front panel Offset button, or
touch the Zero Offset button directly below the Offset field in the channel setup dialog.
Coupling
The choices of coupling are as follows:
• DC 50
• GROUND
• DC 1 M
• AC 1 M
Note: The choices offered may differ if a ProBus® probe is connected to the instrument.
Overload Protection
The maximum input voltage is 4 V peak. Whenever the voltage exceeds this limit, the coupling
mode automatically switches from DC 50 to GROUND. You will then have to manually reset the
coupling to DC 50 , as described next.
To Set Coupling
1. In the menu bar, touch the Vertical button, then Channel X Setup... in the drop-down
menu. Or you can touch the channel descriptor label twice.
2. Touch inside the Coupling field and select a coupling mode from the pop-up menu.
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