SELECT key
key
key
key
Operation
Front-Panel Features
Front-Panel Features
Figure 2-2. HP 83491/2/3A front panels
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
mal and bypass paths.
2-4
to view a schematic of the nor-