VCX-2401-E Installation and Operating Instructions
Page 27
Note:
Since the Profile command selects defaults for other settings, it should be issued before any other
commands relating to the encoded MPEG stream.
QQCIF
80x60
QCIF
160x120
CIF
352x240
1/2
352x480
D1
720x480
FPS
[n]
Sets encoded frames/second. Where n = frames per second of the video stream (i.e. 30, 15, 10, 5,
3, 2, 1)
GROUPLEN[ n]
Sets frame spacing between I frames. Where n = number of frames between I-Frames.
Default: 30.
A larger GROUPLEN and smaller FPS increases the startup time of the decoder.
RES
<D1|2/3|1/2|SIF|QSIF|VGA|QVGA|QQVGA>
Sets encoder resolution. QSIF, VGA, QVGA, and QQVGA are not supported by MPEG2
(Encoder 1).
QQVGA - 160x120 (cropped horz)
QSIF - 176x120
QVGA - 320x240 (cropped horz)
SIF - 352x240
1/2 - 352x480
VGA - 640x480 (cropped horz)
D1 - 720x480
BRIGHT [n]
This command adjusts image brightness. The acceptable range is from 0 to 255, where a higher
number provides more brightness.
Default: 128
Example Command:
BRIGHT 170
(increases brightness from default setting)
CONTRAST [n]
This command adjusts image contrast. The acceptable range is from 0 to 127, where a higher
number provides more contrast.