HP 33120A, User Manual

Page: 39 / 118

4 Move down to the parameter level and set the count to “3”.
Notice that the
Burst
annunciator flashes, indicating that the displayed
parameter is for the burst mode. For more information on editing
numbers in the menu, refer to “Menu Example 3” earlier in this chapter.
∧
00003 CYC
You can also select an infinite burst count. Press the right or left arrow
keys until the “
CYC
” units are flashing. Then, press the down arrow key
to display “
INFINITE
”.
5 Save the change and turn off the menu.
The function generator beeps and displays a message to show that the
change is now in effect. You are then exited from the menu.
ENTERED
At this point, the function generator outputs a continuous three-cycle burst.
You can generate a single burst (with the specified burst count)
by pressing the “Single” key from the front panel or applying a trigger
pulse to the rear-panel Ext Trig terminal. For more information,
see “To trigger a burst or sweep” on page 51.
You can also use an external gate signal to turn the output signal
on and off. For more information, see “Burst Modulation” in chapter 3.
Enter
∨
Chapter 2 Front-Panel Menu Operation
To output a burst waveform
48