
Configuration
22
Siemens Building Technologies
Fire Safety & Security Products
01.2009
7 Configuration
7.1
Compression
Image mode
z
Both functions of JPEG and MPEG4 are effective.
z
Two streams, 1 & 2 available for selection. Stream 1 can be set to JPEG and
MPEG4, but only JPEG available for Stream 2
JPEG
The following settings are enabled when "Compression Mode" is set to "JPEG".
z
Resolution
Configure resolution. Higher resolution results in larger image
Possible settings
:
1280×960 (4 VGA)
/
640×480 (VGA)
/
320×240 (QVGA)
z
Compression Ratio
Set quality of delivered images. The size of image files (JPEG files) varies in
accordance with compression ratio. Five options are available from Low to High
–
Low compression: This setting produces highest image quality. The file size
increases.
–
Mid compression: Standard setting.
–
High compression: This setting produces lowest image quality. The file size
decreases.
z
Frame Rate: seven frame rates – 1, 2, 3, 5, 10, 12, 25 – are available for
selection.