User manual

OPERATION
73
Note
With an external source, a sweep is output each
time a trigger pulse (TTL) is received from the
Trigger input port on the rear panel.
The trigger frequency must be equal to or greater
than the sweep rate (sweep time) plus 100nS
(trigger pulse width > 100nS).
Example: External
trigger input
signal
Sweep output
0V
Trigger input
signal