3. Image Acquisition
NuGenius/
N
User manual
20
3.4
Capturing an image of a Stain-Free gel (N)
Step 1 – Position sample and choose lighting
Press the 'Live' button, then position the sample on the centre of the
Transilluminator and then close the door. Select ‘STAIN-FREE QUICK’ (2.5 min) or
‘STAIN-FREE FULL’ (5 min) from the lighting options.
Step 2 – Adjust lens
Adjust the aperture, zoom and focus settings until a suitable image is displayed,
preferably with the sample filling the screen for maximum resolution.
Please note that opening the aperture too far may result in areas of the sample
being saturated.
You can select to display any saturation on screen by pressing the ‘DISPLAY
SATURATION’ button.
Step 3 – Set exposure time
The exposure time can either be set manually or automatically. Adjusting the
exposure time will alter the brightness of the image. To manually increase or
decrease the exposure time, use the following icons.
Click on the
or
to increase or decrease the exposure time, or
alternatively, click on the time
to set it manually.
Set an exposure time you are happy with and press ‘CAPTURE’.
Alternatively, the auto-exposure function sets the exposure time to a level that
ensures no saturation of the image occurs. To use the auto-exposure function press
‘AUTO’.
You can then save or print the image.
