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Features and Functions 2
U2761A User’s Guide 83
Soft Front Panel Operation
On the Sweep Time panel as shown in Figure 2- 28, input
the desired sweep time and select the unit from the drop
down list.
Remote Interface Operation
SWEep:TIME <seconds>
Sweep Trigger Source
In the sweep mode, the U2761A outputs a single sweep
when a trigger signal is received. After one sweep from the
start frequency to the stop frequency, the U2761A will
continuously output the preset waveform at the start
frequency while waiting for the next trigger.
• The sweep trigger source consists of Internal (immediate),
External, or Manual (software). The default trigger source
is Internal.
• When the Internal source is selected, the U2761A outputs
a continuous sweep at a rate determined by the specified
sweep time.
• When the External source is selected, the U2761A accepts
a hardware trigger applied to the device Trig In
connector. The U2761A initiates one sweep each time
Trig In receives a TTL pulse with the specified polarity.
• When the Manual source is selected, the U2761A outputs
one sweep each time the soft front panel Trigger is
clicked.
Soft Front Panel Operation
On the Trigger Setup panel as shown in Figure 2-28, select
the desired sweep trigger source from the drop down list
at the Source panel.