HP 33120A User Manual page 15

Chapter 1 Quick Start
To phase lock using the triggered burst mode
Enter
11 Save the change and turn off the menu.
The external trigger setting is stored in volatile memory; the external
trigger state is disabled when power has been off or after a remote-
interface reset.
Single
ENTERED
12 Enable both instruments for phase-lock operation.
Press the Single trigger key on both function generators to enable
phase-lock operation. Next, change the output function both function
generators (e.g., change from square wave to sine wave and then back to
Single
square wave). The
function generator is in the single trigger mode.
13 Issue a single trigger to initiate the triggered burst.
Press the Single trigger key on the function generator with
enabled. The function generator triggers itself and also outputs a trigger
pulse from its rear-panel Ext Trig terminal.
At this point, the two function generators are phase-locked with the
specified phase relationship. The two signals will remain locked unless
you change the function or output frequency.
annunciator should be on to indicate that each
Trig
1
TRIG OUT
13