B-Qtech BQ-D9004 series, User Manual

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Picture 5-18 

HDD Total Size: 

indicates HDD total saving size. 

HDD Usable space: 

indicates current HDD available saving space. 

Available recording time: 

As per current image detail/quality and frame rate, system will show to you how 

much time you could continue to record. 

Auto-overwrite: 

When selecting “on”, that means system will auto-overwrite previous recording once HDD if full; 

when selecting “off”, recording will stop once HDD is full   

Format HDD: 

If HDD is used firstly, please do format the HDD in order to make DVR data safe. 

Click [Format HDD] button to start formatting. When confirming HDD format, system will prompt you – “Format 
HDD will loss all the data, do you confirm?” ; confirming again, system will prompt you

 – 

“Is formatting…” and 

“successful format”; and then system will restart automatically. 

Format U thumb disk:

 indicate format U thumb disk data. 

5.2.5.2 Alarm Set 

Click [Main Menu Device Management  Alarm Set] to enter into [Alarm set] menu to proceed parameter 

setting of Alarm Set (shown as Picture 5-19). 

    Picture 5-19 

I/O Status Alarm

：

Include Normal-open, Normal-close and off. When set to “Normal-open”, I/O status alarm 

are available once sensor is connected; set to “Normal-close”, I/O status alarm are available once sensor is 
disconnected; set to “off”, I/O status alarm are unavailable. 

HDD invalidation alarm: 

include On and Off.    If you open HDD invalidation alarm function, there are alarm 

sound and “H” sign when HDD loss, no format and invalidation; on the contrary, if you close the function, there is 
only “H” sign to prompt HDD invalid, but have no alarm sound when HDD loss no format and invalidation. 

HDD space not enough: 

include On and Off.    When the alarm function is on, there are alarm sounds once 

space is not enough; when the function is off, there are no alarm sounds. 

Video Loss Alarm: 

include On and Off. When the function is on, system will issue alarm sound; when the 

function if off, system will have no alarm sound, but the preview interface will display video loss.