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Every HDD use 12 Bytes=
#0
:HDD Exist ( if = 1 )
#1
:Active HDD ( if = 1 )
#2
:Current HDD for REC ( if = 1 )
#3
:Current HDD for PLAY ( if = 1 )
#4...#7 :Capacity
#8.. #11
:REC/PLAY Position
G. Request REC Position (Second Category=0x11)
PC message: <0x41>, <0x01>, <0x20>, <0x02>, <0x11>, <0x00>, <0x4f>
REC Mode
DVR Response: <0x41>, <0x20>, <0x01>, <0x02>, <0x11>, <0x08>, <HDD#>,
<0x0>, <4 Bytes REC Position>, <2 Bytes Image NO.>, <0x4f>
Get HDD#, REC Position and Image NO. used in Playback Immediately command
Non REC Mode
DVR Response ERROR: <0x41>, <0x20>, <0x01>, <0x02>, <0x11>, <0x01>, <0x45>,
<0x4f>
H. Playback Immediately (Second Category=0x12)
PC send: <0x41>, <0x01>, <0x20>, <0x02>, <0x12>, <0x0a>,<HDD#>, <0x0>,
<0x0>, <0x0>,<4 Bytes REC Position>, <2 Bytes Image NO.>, <0x4f>
On Success
DVR Response: <0x41>, <0x20>, <0x01>, <0x02>, <0x12>, <0x00>, <0x4f>
On Error
DVR Response ERROR: <0x41>, <0x20>, <0x01>, <0x02>, <0x12>, <0x01>,
<0x45>, <0x4f>
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