Keysight Technologies Infiniium MXR254A

38 Keysight Infiniium MXR-Series Real-Time Oscilloscopes User's Guide
2 Getting Started
The Timebase Reference range is from 0 to 100% of the screen. The center of the
screen is at 50%. The slider correlates to the hollow orange triangle at the bottom
of the display area, showing where the horizontal offset is on the screen.