Configuration
23
Siemens Building Technologies
Fire Safety & Security Products 01.2009
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
Following settings are enabled when "Compression Mode" is set to "JPEG".
z Resolution
Configure resolution. Higher Resolution results in larger image
Possible settings：1280 x 960 (SXVGA)／640 x 480 (VGA)／320 x 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.