FMUSER INTERNATIONAL GROUP INC.
广州市汉婷生物技术开发有限公司
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The 6 parameters here (J.83, constellation, symbol rate, bandwidth,
start frequency and out gain) are general parameters, and effective
for each channel.
5.3.1.2.1 J.83
This item is for selecting the modulating standard this device
supports: J.83A/DVB-C, J.83B, and J.83C.
5.3.1.2.1 Constellation
(refer to 4.2.2.2)
QAM modulation mode
：
J.83A/DVB-C: 16QAM/32QAM/64QAM/128QAM/256QAM optional
J.83B: 64QAM/256QAM optional
