Stanford Research Systems SR865 Operation Manual page 52

34 Getting Started
17. Press [Play Pause/reset] briefly (don't hold it) to
re-start the scan.
18. Touch the white scale tile {Time} to display the
horizontal scale palette (bottom right of screen).
Touch repeatedly to zoom in to 10 S/div.
Touch the highlighted white scale tile again to
dismiss the scale palette.
Wait for the scan to finish.
19. Use the <Cursor> knob to move the cursor to the
peak of R (yellow).
20. Touch the white scale tile {Time} to display the
horizontal scale palette (bottom right of screen).
Touch start the strip chart again.
Touch the highlighted white scale tile again to
dismiss the scale palette.
21. Press and hold [Play Pause/reset] to reset the
scan back to the begin value.
22. Press [Play Pause/reset] briefly to start the scan
again.
SR865 DSP Lock-in Amplifier
The LED turns on indicating that the scan
Run
is running.
This scan is 100 s in length so set the graph to
10 divisions of 10 s to show a complete scan.
When the scan finishes, the
on.
When the scan in progress reaches the end
value the strip chart pauses.
The frequency will hold at the end value
(100.010 kHz) as displayed in the info bar.
The cursor is active when the strip chart is
paused.
Notice that data collection continued while the
chart was paused. Restarting the chart realigns
the time history so the current time is the right
edge again.
In this case, the frequency has been constant at
100.010 kHz the entire time we have been
examining the paused scan.
This resets the scan parameter back to the begin
value. The Done LED turns off.
This starts the scan again. The
on and the frequency ramps upward.
Chapter 1
LED turns
Done
LED turns
Run