Hides DC-105 Manual de instalación rápida - Página 12
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Imprimir páginaBandwidth
ccHDtv DTVCAM bandwidth in KHz.
Options: 1000, 2000, 3000, 4000, 5000, 6000, 7000 and 8000KHz.
Constellation
ccHDtv DTVCAM constellation options.
0: QPSK
1: 16QAM
2:64QAM
(In 16QAM mode, only Guad Interval 1/4 and 1/8 are supported)
Note:QPSK is not supported by DC-105
CodeRate
ccHDtv DTVCAM code rate options.
0: 1/2
1: 2/3
2: 3/4
3: 5/6
4: 7/8
GuardInterval
ccHDtv DTVCAM guard interval options.
0:1/32
1:1/16
2:1/8
3:1/4
(In 16QAM mode, only Guad Interval 1/4 & 1/8 are supported)
FFT
ccHDtv DTVCAM FFT options.
2: 2K
8: 8K
Gain
Software adjusts RF output gain.
Range: -25 ~ +5
modulation
In Kbps, find details below.
data rate
Note: it's recommended that the [Video Bitrate] should be less
than [modulation data rate] by 20% at least.
If [modulation data rate] is too low, it may cause video glitch.
The modulation data rate ( channel capacity, maximum data bit rate or throughput) varies depending on the
transmission parameters.
The maximum date bit rate can be calculated as below.
Tbandwidth = {1000,000, 2000,000, 3000,000, 4000,000, 5,000,000,6,000,000, 7,000,000,
8,000,000} in Hz for 1~8MHz
Tcode_rate = {1/2, 2/3, 3/4, 5/6, 7/8}
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[8000]
[0]
[4]
[1]
[2]
[3]
auto
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