Information

Symptom Cause/solution

Reference

pages

Audio input contains

noise.

• Check the following.

• Grounding of the camera, a switching hub or

peripheral devices are not done.

• The camera is used near an electrical power line.

• The camera is used near a device which produces

strong magnetic field or radio waves (such as near

a TV/radio antenna, a motor of an air conditioning

system, a transformer, etc.)

When audio input still contains noise even after

checking the above possibilities, use a powered

microphone or connect audio output with low output

impedance.

The focus can not be

able to be automati-

cally adjusted.

• In the following locations or with the following sub-

jects, the focus may not be able to be automatically

adjusted. In this case, manually adjust the focus.

• When the subject moves a lot

• When there are large changes to the lighting intensity

• When the light level is low

• When the subject or location is extremely bright or

reflective

• When viewing through windows

• When the dome cover is in a locations where it can

easily become dirty

• Locations where there is not much contrast such as

a white wall

• When there is harsh flickering

Operating

Instructions