Troubleshooting - Digital Watchdog D4252 Series Instruction Manual

TROUBLESHOOTING

Before sending the camera out for repair, check the items below. Before sending the camera out for repair, check the items below.
If the problem persists after checking these items, contact your If the problem persists after checking these items, contact your
service center. service center.
■ If no image appears ■ If no image appears
Is the coaxial cable attached securely? Is the coaxial cable attached securely?
Is the power and voltage within operational specification? Is the power and voltage within operational specification?
Has the iris of the lens been adjusted correctly (within specification Has the iris of the lens been adjusted correctly (within specification
levels? levels?
Is there adequate illumination? Is there adequate illumination?
■ If the image is unclear ■ If the image is unclear
Is the lens in focus? Is the lens in focus?
Is the lens dirty? Is the lens dirty?
Dirt or fingerprints on the lens can adversely affect the Dirt or fingerprints on the lens can adversely affect the
image. Gently wipe any dirt or fingerprints off the lens image. Gently wipe any dirt or fingerprints off the lens
with a soft cloth or lens cleaning paper and cleaning with a soft cloth or lens cleaning paper and cleaning
fluid (commercially available).
Is the monitor adjusted correctly?
WARNING:
TO PREVENT THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE