Axis M20 Series User Manual

Also see for AXIS M20 Series: Installation guide

AXIS M20 Bullet Camera SeriesThe device interfaceWide dynamic rangeWDR: Turn on to make both bright and dark areas of the image visible.Local contrast : Use the slider to adjust the contrast of the image. A higher value makes the contrast higher betweendark and light areas.Tone mapping : Use the slider to adjust the amount of tone mapping that is applied to the image. If the value is set tozero only the standard gamma correction is applied, while a higher value increases the visibility in the image.White balanceWhen the camera detects the color temperature of the incoming light, it can adjust the image to make the colors look morenatural. If this is not sufficient, you can select a suitable light source from the list.The automatic white balance setting reduces the risk of color flicker by adapting to changes gradually. If the lighting changes, orwhen the camera is first started, it can take up to 30 seconds to adapt to the new light source. If there is more than one typeof light source in a scene, that is they differ in color temperature, the dominating light source acts as a reference for theautomatic white balance algorithm. This behavior can be overridden by choosing a fixed white balance setting that matchesthe light source you want to use as a reference.Light environment:• Automatic: Automatic identification and compensation for the light source color. This is the recommended settingwhich can be used in most situations.• Automatic – outdoors : Automatic identification and compensation for the light source color. This is therecommended setting which can be used in most outdoor situations.• Custom – indoors : Fixed color adjustment for a room with some artificial light other than fluorescent lightingand good for a normal color temperature around 2800 K.• Custom – outdoors : Fixed color adjustment for sunny weather conditions with a color temperature around5500 K.• Fixed – fluorescent 1: Fixed color adjustment for fluorescent lighting with a color temperature around 4000 K.• Fixed – fluorescent 2: Fixed color adjustment for fluorescent lighting with a color temperature around 3000 K.• Fixed – indoors: Fixed color adjustment for a room with some artificial light other than fluorescent lighting andgood for a normal color temperature around 2800 K.• Fixed – outdoors 1: Fixed color adjustment for sunny weather conditions with a color temperature around 5500 K.• Fixed – outdoors 2: Fixed color adjustment for cloudy weather condition with a color temperature around 6500 K.• Street light – mercury : Fixed color adjustment for ultraviolet emission in mercury vapor lights commonin street lighting.• Street light – sodium : Fixed color adjustment that compensates for the yellow orange color of sodium vaporlights common in street lighting.• Hold current: Keep the current settings and do not compensate for light changes.17