PROBLEM
NO COLOR BAR
PICTURE COLOR INCORRECT
PICTURE TOO DARK
PICTURE TOO BRIGHT
NOISE OR SNOW ON PICTURE
(no electro-cautery)
NOISE OR SNOW ON PICTURE
WHEN USING ELECTRO-CAUTERY
NO VIDEO PICTURE WHEN
CAMERA HEAD IS PLUGGED IN
IMAGE NOT CENTERED
VARIABILITY IN COLOR
REPRODUCTION WITH VARIOUS
LIGHT SOURCES OR PERIPHERALS
FOGGY PICTURE
(loss of definition & clarity)
CLEANING DIRTY OPTICS
BLURRY PICTURE
NO WHITE BALANCE (WB)
TROUBLESHOOTING
SOLUTION
• Ensure video out from camera is connected to the video monitor and all video
systems are powered on
• White balance against clean white surface, see WHITE BALANCE section
• Check color settings on monitor
• Adjust light source for higher output
• Check fiber optic light cable for excessive broken fibers
• Press GAIN switch to increase illumination
• Set auto SHUTTER to OFF
• Adjust light source for lower output
• Select auto SHUTTER mode
• Ensure GAIN is OFF
• Ensure GAIN is OFF
• Reduce Enhancement
• Select auto SHUTTER mode to OFF
• Check and replace faulty video cables
• Plug electro-cautery into separate electrical outlet and separate power cords
• Separate camera cable and electro-cautery cable
• Reposition electro-cautery grounding pad on patient
• Check to ensure that all components in the video systems are plugged in and power
is on
• Check connector on camera head cable for broken pins
• Release scope from the coupler and re-connect. Make sure the scope is seated
correctly in the coupler.
• WHITE BALANCE the camera
• Check settings on video peripherals
• Ensure light source has proper infrared filter (check with manufacturer
specifications)
• Check camera focus and refocus
• Optics are dirty. Clean and dry both the scope and the coupler glass face.
• Moisture may exist between the camera head and the coupler. Remove coupler
from the camera head and clean this area thoroughly.
• Rotate the scope. If dust particles in the picture rotate, dust is located on the scope
itself. Follow manufacturer’s instructions for cleaning the eyepiece and negative lens.
• If particles do not move when rotating, particles are behind the scope. Remove the
scope and clean the window on the front of the coupler with a dry or alcohol tipped
cotton swab.
• If dust particles lie between the coupler and camera, remove the coupler and clean
the window on the coupler and the window on the camera head.
• BE SURE entire area is completely dry before reassembling or fogging may result.
• Check that coupler is in focus.
• Check that the Flex Filter switch is turned off.
• Picture too dark (see above for troubleshooting)
• Picture too bright (see above for troubleshooting)
• Color temperature too low - WB with light source connected and use
metal halide or xenon lighting (no fluorescent lighting).
12
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NOTE: If this troubleshooting guide does not solve the problems that you are having with your camera, please refer to the
Service and Claims
section in this manual for instructions on obtaining repair service from Stryker Endoscopy.
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