ZMODO ZMD-DT-SCN4 - Manual (Page 48)

H.264 Super Digital Video Recorder User Manual
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4.5.5 Alarm output
Control alarm output state of all channels
Picture 4.29 alarm output
Configuration: Alarm is on according to the configuration. All: Click the all button and the according
channel is alarming no matter the channel in any state.
Manual: whatever state it is, the relative channel output alarm signal after choosing manual button
Stop: Click the stop button and the according channel stops alarming no matter the channel in any
state.
Status: means this channel has alarm output, otherwise without.
4.5.6 Abnormality
It will buzz and appear screen prompts once no disk, HDD wrong, no disk space, network cut, IP
conflict etc. happens, which is convenient for customers to know DVR abnormality.
Picture 4.30 Abnormality
Event Type：Choose abnormality type, support five matters
Enable: Select , enable these three settings
Less than: this item can be set only when matter type choose no disk space, set percent (1-99).
When HDD space reach this setting limitation, DVR will have cue as following two ways:
Show Message：Show message: pop up message frame on DVR screen