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Chapter IV. Technical Guides
This chapter covers plenty of useful technical information on using the NVR, which will
help you get more familiar with this network device. For further information about
networks, you may read their definition or explanation in the
section of this guide.
LED Indicators
The LED indicators at the front of the NVR indicate the status of the NVR, as
described below:
Activity
Status
LED
HDD1
LED
Buzzer
System
power
on
Light
off
Light
off
One
beep
sound
System
ready,
HDD
OK
Consistent
light
on
Consistent
light
on
One
1
‐
sec
beep
sound
System
ready,
no
HDD
Consistent
light
on
Consistent
blinking
One
1
‐
sec
beep
sound
every
10
seconds
System
ready,
HDD
not
formatted
Consistent
light
on
Consistent
blinking
One
3
‐
beep
sound
HDD
formatting
(local
or
remote)
Consistent
light
‐
on
Consistent
blinking
until
process
done
One
2
‐
beep
sound
HDD
ready
Consistent
light
‐
on
Consistent
light
‐
on
Camera
searching
&
adding
(only
local)
Consistent
blinking
during
process;
consistent
light
‐
on
when
process
done
Consistent
light
‐
on
One
2
‐
beep
sound
when
process
done
HDD
format
failure
Consistent
light
‐
on
Consistent
blinking
One
3
‐
beep
sound
every
10
seconds
HDD
recording
Consistent
light
‐
on
Consistent
blinking
HDD
read/write
failure
Consistent
blinking
Consistent
blinking
One
3
‐
beep
sound
every
10
seconds
USB
flash
drive
detected
Consistent
blinking
when
USB
detected
Consistent
light
‐
on
One
0.5
‐
sec
beep
sound
when
USB
detected
USB
flash
drive
write
Consistent
blinking;
consistent
light
‐
on
when
process
done
Consistent
light
‐
on
One
2
‐
beep
sound
when
done
USB
flash
drive
write
failure
Consistent
light
‐
on
Consistent
light
‐
on
Three
3
‐
beep
sound
for
3
seconds
10
This function may or may not be available depending on the NVR model you purchase.