User`s guide
15 Reference
408 InfiniiVision Oscilloscopes User’s Guide
To synchronize the timebase of two or more instruments
The oscilloscope can output it’s 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 rear panel of 
the oscilloscope. 
2 Connect the other end of the BNC cable to the instrument(s) that will accept the 
10 MHz reference signal. Put a 50  termination at the input to the other instrument to 
terminate the signal.
3 Press [Utility]&Options&Rear Panel&Ref Signal.
4 Use the Entry Knob and the Ref Signal softkey to select 10 MHz output.
The oscilloscope will output it’s 10 MHz reference signal at TTL levels. 
To clean the oscilloscope
1 Remove power from the instrument.
2 Clean the external surfaces of the oscilloscope with a soft cloth dampened with a 
mixture of mild detergent and water.
3 Make sure that the instrument is completely dry before reconnecting it to a power 
source.










