Night Owl Optics 4BL Manuale Utente

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User’s Manual 
39 
5.2.13.3 Language 
 
Click “Main Menu” 
 “System”  “Language” to setup 
the default system language. 
 
 
 
 
5.2.13.4 Hard Drive 
 
To manage the installed Hard Disk, click “Main Menu” 
 “System”  “Advanced”  “Hard Drive” to enter “HDD 
MANAGEMENT”.    The HDD Management screen shows 
the capacity and available recording time of the installed 
hard drive and let you configure whether to overwrite old 
recordings or stop when HDD is full. 
 
Select “Format HDD” to format the installed Hard Disk 
Drive and erase all recorded files. 
 
Select “Format USB” to format the installed USB Drive by 
erasing all recorded files on the drive. 
 
To enable your DVR to overwrite old recording files, 
choose “ENABLE” at the OVERWRITE field and then click 
Apply. 
 
5.2.13.5 Video 
 
Click “Main Menu” 
 “System”  “Advanced”  “A/V 
Setup” to setup Video and Audio output options such as 
resolution and format.    You can also preset a channel 
display sequence or rearrange the position and number of 
each input channel.