Teledyne LeCroy LabMaster 9Zi-A - Manual (Page 85)

Getting Started Manual
922157-00 Rev A 77
Zoom and Math Controls
NOTE: Zoom and Math front panel controls correspond with screen menu
selection: Math → Zoom Setup....

Horizontal Position - Press to reset the horizontal zoom position to
zero. Turn to change the horizontal position of the selected math or
zoom trace.

Horizontal Ratio - Press to toggle between fixed and variable
horizontal zoom ratio adjustment. Turn to change the horizontal
zoom ratio of the selected math trace.

Quick Zoom - Press to automatically display magnified views of up to
four signal inputs on multiple grids. With four input signals, the
signals are displayed along with four zoom traces, each on its own
grid. Pressing this button also turns off all other traces.

Vertical Position - Press to reset the vertical zoom position to zero.
Turn to change the vertical position of the selected math or zoom
trace.

Vertical Ratio - Press to toggle between fixed and variable vertical
zoom ratio adjustment. Turn to change the vertical zoom ratio of the
selected math trace.