Q-See QT528 - Manual (Page 23)

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4.3.2 Record stream
Step 1: Enter into system configuration
record configurationrecord bit rate; refer to Fig 4-12:
Fig 4-12 Record Configuration-Record Bit Rate
Step 2: Setup rate, resolution, quality, encode and max bit stream
Step 3: User can setup all channels with same parameters, checkmark “All”, then to do relevant setup.
Step 4: Click “default” button to restore default setting; click “apply” button to save the setting; click “exit” button to
exit current interface.
Note: if you set a value that is higher than maximum supported by the device, the value will be adjusted
automatically.
Definitions and descriptions of Record stream:
Parameter Definition
FPS Range from 1-30 (NTSC) 1-25 (PAL)
Rate
Range from: 1-30
（NTSC）1-25(PAL)
Resolution CIF or D1 Each camera can use either resolution option
Quality The quality of recorded images. The higher the value, the clearer the
recorded image is. Six options: lowest, lower, low, medium, higher and
highest.
Encode VBR and CBR
Max bit
stream
Range from: 64 Kbps
、128 Kbps、256 Kbps、512 Kbps、768 Kbps、1Mbps、
2 Mbps