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Black screen displayed when playing recorded images
In the following cases, a black screen may be displayed during playing recorded images. However, this is not a
malfunction.
• When changing cameras or screen patterns during playback or pausing
• When skipping/reverse skipping during playback
• When fast forwarding/reverse fast forwarding during playback
• When the latest recorded image is played while displaying images on a multiscreen*
• When changing the selected camera during the multi-screen display
• When going to the next recording event list by fast forwarding/reverse fast forwarding or skipping/reverse
skipping during playback
• When playback operation is affected by another operation (such as when receiving multiple alarms
sequentially or while copying is being performed simultaneously)
* Some camera images go black depending on the data volume.
Recording operation
The recorder can connect cameras and record their images on the HDD.
The following recording operations are available.
Schedule recording:
Recording that is automatically performed at the designated time range on the
designated day(s) of the week
Event recording:
Recording that is automatically performed when an event occurs (such as terminal
alarm/camera site alarm/command alarm, etc.)
Emergency recording:
Gives priority to recording video and audio at emergency using the external switch
connected to the emergency record input terminal of the recorder.
Important:
• Recording may not be performed for around 3 seconds in the following cases. However, this is not a
malfunction.
• When the settings are changed and the setup menu is closed during recording
Event type
The following event recording types are displayed in list form on the web browser:
SCH: Schedule recording
EMR: Emergency recording
SD: SD backup rec.
The following are detailed event recording types.
COM: Displayed when a command alarm occurred
TRM: Displayed when a terminal alarm occurred
CAM: Displayed when a camera site alarm occurred
PRE: Pre-event recording
SW1 to SW16: Extension software alarm
*Camera site alarms sent from the extension software will be recorded as extension software alarms.
