User Guide
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17.8.3
Method 2: Click with your mouse on the “Exposure Timer” text box and type in
the desired value. Click on the Set button, once the time has been accepted,
the SET button will be greyed out. The allowable exposure time range by this
method is 0.2 to 999.9 seconds. If a value outside the range is entered, an
error message “Value is outside allowable range” will appear. Select “Cancel”
and re-enter an acceptable value.
17.9 Exposure Settings: Disabling Exposure Timer
17.9.1
To disable the exposure timer de-
select the checkbox next to “Exposure timer
active (S)”. This will allow the shutter to remain in the open or closed position
as per the shutter control, without any pre-set timing function.
17.10 Intensity Reading
17.10.1
To get the intensity level, open the shutter and under Intensity Reading click on
the GET button. The value will correspond to the mode selected; relative
power, absolute power (W), or irradiance (W/cm2). When the shutter is closed,
the intensity will read 0.
17.11 Shutter Control
17.11.1
To activate the shutter control once the appropriate intensity and exposure
settings have been entered, click on the “Open” button in the “Shutter Control”
section.
17.11.2
With the “Exposure timer active (S)” selected, after the exposure cycle has
been completed, the shutter will close and the exposure time will automatically
reset to the pre-selected value. The Unit Status indicator will display Shutter
“Close”. To interrupt and close the shutter during an exposure cycle, click on
the “Close” button.
Note:
If another value is not selected, the S2000 will automatically retain the
value that was previously selected prior to the error message being displayed.
Note:
During a timed exposure cycle, when the shutter is open, a red bullet will
appear next to “Exposure” in the Exposure settings section. The Exposure
bullet will NOT be high lighted when the “Exposure timer active (S)” control
has been disabled. The Unit Status indicator next to Shutter will indicate
“Open” during the open duration.