ACTi E31A User Manual download pdf (Page 117)

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Firmware User’s Manual V6.08.30

117

Troubleshooting

Although the default settings of the camera are ideal for 90% of the cases, there may be some

rare cases when the settings need to be adjusted or the device has to be examined. The

following section provides easy troubleshooting solutions for most cases. In some occasions, the

unexpected symptoms may be the result of selecting the product that is not suitable for given

environment.

For more detailed explanations and instructions of each situation, please refer to the complete

Troubleshooting Guide at http://www.acti.com/kb/detail.asp?KB_ID=KB20130130001

Image Quality Troubleshooting

Problem

Solution

Motion blur

Increase shutter speed

Blurry image

Auto Focus: Refocus button; Manual focus: adjust manually

Too narrow DoF

Reduce aperture size, widen the viewing angle, install camera farther from objects

Too narrow viewing

angle

Vari-focal lens: widen the viewing angle; Zoom lens: press the zoom-out button; Fixed

lens: replace it with wide angle fixed lens or choose another model with wide angle

lens

Objects too small

Increase video resolution; zoom-in (zoom lens) or adjust lens to telephoto position

(vari-focal); Install the camera closer to target; Change to the lens with longer focal

length; Change the camera model with higher resolution or longer focal length

Underexposed

image

Use Auto Exposure Mode and increase AE Reference Target; set the Slowest Auto

Shutter Speed to slowest possible (1/5s); Add external light source to illuminate the

area the camera is shooting

Overexposed

image

Use Auto Exposure Mode and reduce AE Reference Target if necessary

Noise

Enable DNR; Enlarge the aperture; Lower AE Reference Target in Auto Exposure

mode; Lower the Exposure Gain in Manual Exposure mode; Lower video resolution;

Add extra visible or IR lights

Blocking & mosaic

Increase the bitrate

Wrong colors or

color rolling

Manually correct the colors by using white paper “Hold” button in Auto White Balance

mode; Adjust the camera’s position or viewing direction; Adjust the light source

Black image

Make sure there is sufficient light; Make sure the Day/Night Mode and IR LED Control

are both in Auto mode; Make sure that the “Switch from Day mode to Night mode” does

NOT have the most extreme value – 100; Manual iris: open the iris by rotating the ring

towards “O”; Remove the protective cap of the lens during installation

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