13www.dericam.comShenzhen Dericam Technology Co,.Ltdimgmode The mode to improve the video:0: Improve the video frame rate first.1: Improve the image light first.aemode The value for AE control mode:0: Auto, 1: Indoor, 2: Outdoor.display_mode The current video mode for camera:0: Black/White, 1: Colorful.Return Success: Success.Fail: Error.Note Different devices will have different image parameters, please seeAppendix I for reference.Example /cgi-bin/hi3510/param.cgi?cmd=setimageattr&-brightness=1&-saturation=1&-contrast=1&-hue=1&-flip=on&-mirror=on&-noise=on&-imgmode=0&-aemode=0&-display_mode=1getldcattrFunction Get the distortion value of lens.Privilege adminUsage /cgi-bin/hi3510/param.cgi[?cmd=getldcattr]Param. None.Return ldc_ratio The value for distortion, from 0 to 511.Note NoneExample /cgi-bin/hi3510/param.cgi?cmd=getldcattrsetldcattrFunction Set the distortion value of lens.Privilege adminUsage /cgi-bin/hi3510/param.cgi[?cmd=setldcattr&- ldc_ratio =]Param. ldc_ratio The value for distortion, from 0 to 511.Return Success: Success.Fail: Error.Note NoneExample /cgi-bin/hi3510/param.cgi?cmd=setldcattr&- ldc_ratio=1