GE ImageQuant LAS 4000, Original Instructions Manual

Page: 55 / 86

4.3.3 Focus adjustment
Action Step
Click the Focusing button. 1
Result: The focusing controls appear.
6
5
1 2 4 3 3
Function Part
Decrease image brightness 1
Increase image brightness 2
Coarse focus adjustment 3
Fine focus adjustment 4
Return to the main display 5
Click on the image to zoom 6
Note:
Adjusting the brightness does not influence the actual exposure.
Check that the sample is correctly positioned and focus the image. 2
Click the Return button. 3
4.3.4 Set exposure type and exposure time
For a detailed description of the different exposure types, refer to the ImageQuant LAS 4000 User
Manual.
Action Step
Select the Exposure Type from the drop-down list. 1
Getting Started with ImageQuant LAS 4000 28-9607-59 AB 55
4 Operation
4.3 Performing an exposure
4.3.3 Focus adjustment