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1. Horizontal zooming in-out.
2. Vertical zooming in-out.
3. Undo zooming.
4. Select between phase (start and end point) picking and single point picking.
5. Only P-wave is enabled in this Application. (In other Applications, selection between P-wave and S-wave picking are possible).
6. Undo picking.
7. Horizontal zooming tool. The User may alternatively zoom in-out the waveform by clicking on this small vertical bar and move the
8. mouse left-right.
9. Collapse the details of the waveform.
10. Move the selected (zoomed) part of the waveform left-right.

Note that differentDisplacement, Velocity or Acceleration can be selected as response unit for the waveforms (see 'Seed Response Calculation' in Low-Level services chapter)  

Picking Phase:

The User has to pick a starting and an ending point from the Vertical component of a station (**Z channel - see Figure 5). Then, he/she has to repeat this picking for the other stations.

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