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zmu -d /dev/video0 -q show device settings zmu -m 8 -q show settings for monitor with id "8" zmu -m 8 -s state for monitor 8, 0 = idle, 1 = prealarm, 2 = alarm, 3 = alert, 4 = tapeInded of documented zmu commands: http://www.zoneminder.com/wiki/index.php/Zmu