13
420 TVL Weatherproof IR Camera
SECTION 6: TROUBLESHOOTING
c. Check the monitor display for ripple on other video channels.
d. Check cable routing for proximity to high electrical or
magnetic fields.
3. The picture is not clear.
a. Check the camera zoom and focus adjustments.
b. Check that your monitor is correctly adjusted.
c. Confirm that the glass in front of the lens is clean.
If there is dust, dirt or fingerprints on the glass, the image
quality will be affected. To clean the glass use a soft, dry and
non-abrasive cloth or a commercially available lens cleaning
set.
4. The picture has interference.
a. The camera or cables to the camera may be close to a high
voltage source, such as a power generator.
b. The BNC cable is not terminated properly.
c. The video cables are not connected properly.
