Samsung SDN-520N Instruction Manual page 21

Day & night color ccd camera
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If you have trouble operating your camera, refer to the
following table. If the guidelines do not enable you to solve
the problem, contact an authorized technician.
Problem
• Check that the power cord and line connection
Nothing appears on
between the camera and monitor are fixed properly.
the screen.
• Check that the DC/VIDEO selection switch on the
rear of the camera is set to a proper position
according to the type of your auto iris lens.
The image on the
• Check that you have set the 'Shutter' feature under
the setup menu to 'ESC' mode.
screen is dark.
• Check that you have set to a proper sensitivity
and brightness level in the 'Shutter' feature.
The afterimage of
• It occurs temporarily when the camera converge
available light to produce clear image under low
moving objects
illumination. It is normal.
remain on the
• If you decrease the sensitivity level of the 'Shutter'
screen.
feature under the setup menu, this symptom can be
eliminated, but the image on the screen may be
darker.
The image on the
• Check if the lens is stained. If dirty, clean the lens
screen is dim.
with soft, clean cloth.
The camera is not
• Check that you have properly connected the camera
working properly,
to an appropriate power source. Refer to page 17.
and the surface of the
camera case is hot.
40
COLOR CCD CAMERA
Solution
Problem
'Auto' mode does
•Have you set the 'Gain' feature under the setup
not activate.
menu to 'OFF'? Set the feature to 'AGC'.
•Have you set the level of video lens too low?
The color of the
• Check that you have properly set the 'White
picture is not
Balance' feature under the setup menu.
matched.
The contrast on the
• Adjust the contrast feature of the monitor.
screen is too weak.
• If the camera is exposed to too strong light,
change the camera position.
The image on the
• Is the camera facing to direct sunlight or
screen flickers.
fluorescent lighting? Change the camera position.
• Check that the DC/VIDEO selection switch on the
rear of the camera is set to a proper position
according to the type of your auto iris lens.
The image on the
• Check that the power frequency is proper in
screen is distorted.
'Sync.' If the power frequency is not proper, the
linelock synchronization mode cannot be used.
Set the 'Synchronization Mode' to 'INT' mode.
– NTSC Model's Power frequency in LL mode : 60Hz
– PAL Model's Power frequency in LL mode : 50Hz
T T
R R O O U U B B L L E E S S H H O O O O T T I I N N G G
Solution
41
COLOR CCD CAMERA

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