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Chapter 3
To Run a Scan
Press [Scan/setup] briefly (don't hold it) to turn on the scan to ready. This key turns
scanning on and off.
The
Ready
time, the scanning parameter (if it is being displayed on screen) is shown in orange
indicating that it is under scan control.
Press [Play Pause/reset] briefly to start the scan.
The
Run
from its begin value to its end value. Press [Play Pause/reset] briefly to pause and resume
the scan. The
When the End Mode is set to Repeat or Up/Down, the scan repeats over and over.
When the End Mode is Once, the scan stops at the end value, the strip chart is paused and
the
Done
Restarting the chart realigns the time history so the current time is the right edge again.
Press and hold [Play Pause/reset] to reset the scan back to the Begin Value. This leaves
the
Ready
Press [Play Pause/reset] briefly to start the scan again.
To Stop Scanning
Press [Scan/setup] briefly (don't hold it) to turn off the scan. This key turns scanning on
and off. The [Play Pause/reset] has no effect unless scanning is on and the
lit.
Turning the scan off reverts the scanned parameter back to its original value (from before
scanning) and its display back to white (under front panel control).
Changes to Scan Parameters
Once the scan is turned on to ready by briefly pressing [Scan/setup], the scan
configuration is loaded into the scanning system for use. Edits to scan parameters, such as
Scan Time, End Mode, etc., can be entered from the scan setup screen but will not affect
the current scan. To put any changes into action, [Scan/setup] must be briefly pressed to
turn off the
Ready
Ready
[Aux Output]
Press [Aux Output] to display the Aux Output screen.
LED turns on indicating that the scan is ready (at the begin value). At this
LED turns on indicating that the scan is running. The scanning parameter starts
LED turns on indicating a scan is paused.
Pause
LED turns on. Note that data collection continues while the chart is paused.
LED on and turns the
Ready
LED, and then briefly pressed again to re-enable scans and turn the
LED back on. Alternatively, press and hold [Play Pause/reset] to return to the
LED on state; this will also put newly changed scan parameters into effect.
Done
LED off.
Operation
Ready
SR865A DSP Lock-in Amplifier
89
LED is
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