Olympus DP71 Instructions Manual page 29

Problem
f) Picture is too dark.
g) The colors in the picture are
strange.
h) The picture is not in focus.
i) The 4080 x 3072 and 2040 x 1536
images are not neat.
j) The DP Controller window is not
displayed correctly. Or the menu
characters are not displayed
correctly.
k) External trigger signal is not
output.
l) Still image cannot be recorded
using the external trigger input.
Cause
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
exposure time was shorter than the
currently required exposure time, is active.
The output highlight level adjustment is
too low.
The microscope illumination is too dark.
The area selected in white balance
adjustment was improper.
The RGB balance is adjusted improperly
in manual white balance adjustment.
The area selected in black balance
adjustment was improper.
The screen color setting of the computer
is incorrect.
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 camera is 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.
External triggering is not enabled.
External triggering is not enabled.
Remedy
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.
Increase the microscope illumination
intensity or disengage the existing ND
filter to increase brightness.
Select a white area as the rectangular
white balance adjustment area.
Perform manual white balance
adjustment to adjust the RGB color
balance to obtain optimum colors.
Select a black area as the rectangular
black balance adjustment area.
Set the computer display color to 24-
bit color or higher. The recommended
setting is 32-bit color.
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.
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.
Enable external triggering on the DP
Controller.
Enable external triggering on the DP
Controller.
DP71
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