Specifications

VIVOTEK
User's Manual - 115
1(support)
Bit 3 => Support tilt operation; 0(not support),
1(support)
Bit 4 => Support zoom operation; 0(not
support), 1(support)
Bit 5 => Support focus operation; 0(not
support), 1(support)
text string[16] 1/4 Enclose caption.
imprinttimestamp <boolean> 4/4 Overlay time stamp on video.
s<0~(m-1)>_codectype h264,
mpeg4,
mjpeg
1/4 Video codec type.
s<0~(m-1)>_resolution QCIF,
176x120,
176x144,
CIF,
352x240,
352x288,
4CIF,
704x480,
704x576
D1,
720x480
720x576
1/4 Video resolution in pixels.
s<0~(m-1)>_h264_intr
aperiod
250, 500,
1000, 2000,
3000, 4000
4/4 Intra frame period in milliseconds.
s<0~(m-1)>_h264_rate
controlmode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_qua
nt
99, 1~5 4/4 Quality of video when choosing vbr in
“ratecontrolmode”.
99 is the customized manual input setting.
1 = worst quality, 5 = best quality.
s<0~(m-1)>_h264_qva
lue
0~51 7/4 The specific quality parameter of the H264
encoder.
0 = best quality, 51 = worst quality.
s<0~(m-1)>_h264_bitr
ate
1000~40000
00
4/4 Set bit rate in bps when choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_ma 1~30 1/4 Set maximum frame rate in fps (for H.264).