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Chapter 6 WinSpec/32 and WinView/32 First Light Procedure 55
6.6 Verify Shutter Operation
Perform the following procedure to verify the shutter is operating properly and light is being
received at the NIRvana-LN camera:
1.
From the WinSpec/32 menu bar, select
Acquisition —> Focus
to begin data
acquisition.
NOTES:
1. Depending on the display settings, either a spectral band
image or a graph will be displayed.
2.
Background noise will decrease as the camera cools to its
default temperature.
2. Turn off the light source at the spectrograph’s entrance slit.
Does the displayed image change to a background noise pattern or low intensity graph?
• Yes
Light entering the spectrograph is being seen by the camera and the system is
operating properly.
Proceed to
Section 6.7, Rotational Alignment , on page 56.
• No
There is no observable difference in the displayed data.
Click
Stop
to halt Focus mode, and proceed to step 3.
3.
Verify the spectrograph has an entrance slit shutter installed.
NOTE:
When using a spectrograph with an internal shutter, refer to the
manufacturer’s user manual for information about shutter
access and operation.
4.
Verify that the entrance slit is open a minimum of 10 µm.
NOTE:
When using a spectrograph with an internal shutter, refer to the
manufacturer’s user manual for information about shutter
access and operation.
5. Verify that the light source has power and is turned on.
6. From the WinSpec/32 menu bar, select Acquisition —> Experiment Setup .
7. Click on the Timing tab and verify the following configuration settings:
• The system is configured for an appropriate Exposure Time .
• Verify that Shutter Control is set to Normal .
Make any necessary configuration changes, and click OK to save and apply the changes.
8. Verify all shutter cable connections are secure.
9. From the WinSpec/32 menu bar, select Acquisition —> Focus to resume data
acquisition.