Stanford Research Systems DS345, Manual

Page: 16 / 139

Getting Started
1-4
4) Press [SWEEP MODE DOWN ARROW] three
times.
5) Press [SHIFT][BRST CNT]. Then [1][0][Hz].
6) Press [SHIFT][TRIG SOURCE] Then press
[MODIFY UP ARROW].
7) Press [SHIFT][TRIG RATE] then [4][0][0][Hz].
8) Press [SWEEP ON/OFF].
9) Press [SHIFT][BRST CNT].
10) Press [MODIFY DOWN ARROW] twice.
Set the modulation type to BURST.
Set the number of pulses in the burst to 10. Any
of the units keys may be used to terminate the en-
try.
Display the burst trigger source. Then change the
source from single trigger to the internal trigger
rate generator.
Set the internal trigger rate generator to 400 Hz.
Enable the burst. The MOD/SWP LED will light.
The scope should show two bursts of 10 cycles of
a sine wave.
Display the burst count again.
There should now be 8 pulses in each burst.