2 Features and Functions
Remote Interface Operation
TRIGger:SOURce {IMMediateEXTernalBUS}
Internal Triggering
In the Internal trigger mode, the U2761A continuously performs frequency sweep (as specified by the sweep time). This is the default trigger source for both soft front panel and remote interface use.
Soft Front Panel Operation
On the Trigger Setup panel as shown in Figure 2- 28, select
Internal from the drop down list 
at the Source panel.
Remote Interface Operation
TRIGger:SOURce IMMediate
Manual Triggering
In the Manual (software) triggering mode, you can manually
trigger the U2761A by clicking Trigger 
. The U2761A initiates one sweep each time you click the button. The
Trigger 
button is illuminated while the U2761A waits for a Manual trigger.
Soft Front Panel Operation
On the Trigger Setup panel as shown in Figure 2- 28, select
Manual from the drop down list 
at the Source panel.
86 | U2761A User’s Guide |
