Getting Started 1
Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide 43
 
Learn the Oscilloscope Display
The oscilloscope display contains acquired waveforms, setup information, 
measurement results, and the softkey definitions.
4. TRIG OUT 
connector
Trigger output BNC connector. See “Setting the Rear Panel TRIG OUT 
Source" on page 292.
5. Calibration 
protect button
See “To perform user calibration" on page 294.
6. EXT TRIG IN 
connector
External trigger input BNC connector. See “External Trigger Input" on 
page 182 for an explanation of this feature.
7. USB Host port This port functions identically to the USB host port on the front panel. 
USB Host Port is used for saving data from the oscilloscope and loading 
software updates. See also USB Host port (see page 40).
8. USB Device 
port
This port is for connecting the oscilloscope to a host PC. You can issue 
remote commands from a host PC to the oscilloscope via the USB device 
port. See “Remote Programming with Agilent IO Libraries" on page 307.