Olympus DP30BW Instructions Manual page 29

Problem
f ) Picture is too dark.
g) Still image cannot be recorded
using the external trigger input
signal.
h) The external trigger signal cannot
be output.
i ) The picture is not in focus.
j ) The DP Controller window is not
displayed correctly. Or the menu
characters are not displayed cor-
rectly.
Cause
The input highlight level adjustment is
too low.
The microscope illumination is too
bright.
Exposure correction is set in the –
direction.
The metering area is set to a bright area
outside the region of interest.
AE lock, which was set when the expo-
sure time was shorter than the currently
required exposure time, is active.
The output highlight level adjustment is
too low.
The area selected in black balance
adjustment was improper.
The microscope illumination is too dark.
The PCI interface board and Trigger IO
board are connected improperly.
The PCI interface board and Trigger IO
board are connected improperly.
The microscope is not focused
properly.
The aperture iris diaphragm of the
condenser is open too wide.
The field iris diaphragm is not set
properly.
Lens components of the microscope are
contaminated or the cover glass on the
front of the camera is stained.
The microscope and/or camera are
subjected to vibration during recording.
The resolution setting of the screen is
not correct.
A large font has been selected in the
font size of the screen.
Remedy
Reset the current level adjustment
and adjust the optimum level again.
Reduce the microscope illumination
intensity or engage an ND filter to
reduce brightness.
Return the exposure correction value
to 0 and set the desired exposure
correction value.
Move the metering area to the area
where you want to obtain optimum
exposure.
Cancel AE lock.
Reset the current level adjustment
and adjust the optimum level again.
Select a black area as the rectangu-
lar black balance adjustment area.
Increase the microscope illumination
intensity or disengage the existing ND
filter to increase brightness.
Turn off the PC, unplug the power cord
and connect the PCI interface board
and Trigger IO board correctly.
Turn off the PC, unplug the power cord
and connect the PCI interface board
and Trigger IO board correctly.
Adjust the focus correctly with the fine
adjustment knob.
Close the aperture iris diaphragm a
little.
Adjust the field iris diaphragm until the
image circumscribes the field of view.
Clean the objective, photography lens,
condenser and/or window lens of the
microscope, or clean the cover glass
on the bottom of the camera head.
Record images in an environment in
which the microscope and camera
are not vibrated. It is effective to use
an anti-vibration bench.
Set the resolution setting at 1280 x
1024 or more in the property of the
screen.
Select a small font in the property of
the screen.
DP30BW
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