5
1.6 Precautions
1. Do not drop the camera or subject it to strong knock.
2. Do not point the camera lens toward the sun or other strong light.
3. Do not install the camera in environment with temperature beyond the
acceptable range (from -10°C to 50°C).
4. Never let liquid of any kind flow into this unit.
5. Do not directly touch the CMOS element. If it is necessary to clean the
element, use a soft cloth moistened with alcohol to wipe off the dust.
6. If any abnormality occurs, make sure to unplug the unit and contact your
local dealer.
7. This camera features AGC circuit, so when the camera is applied under
low illumination, sensitivity will enhance automatically, making images
look rough, which is normal.
8. Under the default setting, the lens has been adjusted till the object in a
1.5m-distance becomes clear. The lens can be readjusted as per the actual
surveillance scenes.
9. Lens Adjusting:
a. Loosen the zoom tightening knob and the focus tightening knob.
b. Slowly rotate the zoom ring to adjust the focal length.
c. After a zoom operation, slowly rotate the focus ring to obtain the
sharpest image on the monitor.
d. If there are still blurred images, loosen the locking screw with an Allen
wrench to adjust the back focal length and repeat the above
procedures.
e. Tighten the zoom tightening knob, the focus tightening knob and the
locking screw.