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Operation
Front-Panel Features
Front-Panel Features
Figure 2-2. Agilent 83491/2/3A front panels
SELECT
key Pressing this key changes the modulation rate of the input signal. The recov-
ered and retimed clock trigger is sent to the mainframe. The
Trigger On Data
selection is a bypass mode where the data stream directly triggers the main-
frame. Refer to “Block Diagrams” on page 2-7 to view a schematic of the nor-
mal and bypass paths.