User`s manual

 ALARM OUT PERIOD (Fig3.2.39 Alarm output period)
Alarm continuing time. There are five options to choose: 30 seconds, 1 minute, 3 minutes, 10minutes and
Continuous.
3.2.7 SETUP-AUDIO
“■” means unselected， “V” means selected, “Abscissa” means the channel number and “Ordinate”
means audio output number. (Fig3.2.40 Audio output)
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