User Manual

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Understand touch screen
2. Five operating areas on the touch screen
Frames of the waveform display divide the touch screen into five areas, only the function
menu turned off, can operate these areas. See figure 2-10.
Touchable area description:
1. Horizontal drag area: From the upper waveform window to screentop. You can move
waveform horizontally in this area.
2. Vertical drag and the current channel selection area: where the waveform displays
from the left frame to the right frame. Press the channel icon switch to the current
channel, vertical drag only applies to the current channel.
3. Current channel switch area: press the frame corner at Ch1, Ch2, Math, or Ref and
users can switch one of them to the current channel.
4. Waveform zoom area: the whole waveform display area can be used as waveform
zoom in/out area.
5. Trigger level and drag the cursor area: the area between waveform window's right edge
and screen’s right edge where users can move the trigger level or drag the cursor.