... , acoustic image, text/graphic, brightness control, image freezing, electronic volume control√ Storage20 images√Illumination Auxiliary lightEnergy conservation and ... Input portAVMicrophone input ×1√VGARGB×2√RS-232Computer control ×1√Output portAVStereo audio×1√VGARGB×2√RS ... scanning1024×768√Way of controlControl Panel, remote control, RS-232 control√Lens rotationHorizontal and vertical 350°√Volume( W ...