NDS3542D Multi-input Modulator User’s Manual
3.2.6 Modulate Setting
When entering “Modulate Setting” submenu, user can configure the modulating
parameters for the 4 carrier output separately.
Modulate
Chanel A
Chanel B
Chanel C
Chanel D
Standard
Constellation
Symbol rate
RF Frequency
RF Level
RF On
Bitrate
Standard
There are three possible options provided for selecting bandwidth: 6M, 7M, and 8M.
When the display shows them, user just need swift LEFT and RIGHT key to choose
and repressing ENTER to confirm.
Standard
J.83A J.83B J.83C
Constellation
Four different constellations 64QAM and 256QAM will be shown on the LCD
window. User can set constellation type with the same method mentioned above.
Constellation
64QAM 256QAM
Symbol rate
When user enters Symbol rate, the LCD would show the current working rate.
User can check symbol rate here.
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