To Synchronize The Timebase Of Two Or More Instruments - Agilent Technologies 4000 X-Series User Manual

If the externally supplied sample clock signal is lost, a hard unlock will
occur. The lock symbol in the upper right part of the display will become
an unlocked padlock icon and the oscilloscope will stop acquiring data.
The oscilloscope will resume sampling when the externally supplied
sample clock becomes stable again.

To synchronize the timebase of two or more instruments

The oscilloscope can output its 10 MHz system clock for the purpose of
synchronization with other instruments.
1 Connect a BNC cable to the BNC connector labeled 10 MHz REF on the
2 Connect the other end of the BNC cable to the instrument(s) that will
3 Press [Utility] > Options > Rear Panel > Ref Signal.
4 Use the Entry knob and the Ref Signal softkey to select 10 MHz output.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
rear panel of the oscilloscope.
accept the 10 MHz reference signal. Put a 50
to the other instrument to terminate the signal.
Utility Settings
termination at the input
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