GE Amersham Imager 680 - 8.2 Problems with image quality

8.2 Problems with image quality
An appropriate image does not
appear
Then...If...
Shorten the exposure timeAn image is overex-
posed
Prolong the exposure timeAn image is underex-
posed
Adjust the focus temporarily. See Section 4.3.2 Focus, on
page 81.
The focus is not correct-
ly adjusted
If the problem persists contact your GE representative.
Clean the tray, white insert or the window covering the
light source.
The tray, white insert or
window covering the
light source are dirty
Change to the correct sample trayThe wrong sample tray
is used
Select the correct light sourceThe wrong light source
is selected
Place the sample correctly on the sample tray and place
the tray in the correct tray position
The size of the object
exposed does not coin-
cide with the exposed
area
Light leaks on the image
Then...If...
Close the door to the instrument and expose the image
again
The door to the instru-
ment is not completely
closed
Avoid direct sunlightThe instrument is ex-
posed to direct sunlight
238 Amersham Imager 680 Operating Instructions 29271308 AB
8 Troubleshooting
8.2 Problems with image quality