Operating instructions

DVB3030/DVB3030L Digital Video Broadcast Modulator User Interfaces
TM052 - Rev. 3.5 4-37
<1>
<1>
Roll Off
Control Mode
2 = No Framing
0 = 0.35, 1 = 0.2
0 = Local
1 = Terminal
2 = Computer
3 = Ethernet
Opcode: <2602h> Command a modulator's frequency
<4> Frequency Binary value, 1 Hz steps
This command will cause the carrier to turn off.
Opcode: <2603h> Command a modulator's strap code
<2> Strap code Binary value, 0 through 65535
This command will cause the carrier to turn off.
Opcode: <2604h> Command a modulator's data rate
<4> Data rate Binary value, 1 bps steps
This command will cause the carrier to turn off.
Opcode: <2606h> Command a modulator's modulation type
<1> Modulation Type 0 = QPSK
Opcode: <2607h> Command a modulator's convolutional encoder
<1> Convolutional
Encoder
0 = None
1 = Viterbi 1/2 Rate
2 = Viterbi 2/3 Rate
3 = Viterbi 3/4 Rate
4 = Viterbi 5/6 Rate
5 = Viterbi 7/8 Rate
This command will cause the carrier to turn off.
Opcode: <2608h> Command a modulator's differential encoder
<1> Differential Encoder 0 = Off
Opcode: <2609h> Command a modulator's carrier control
<1> Carrier Control 0 = Off, 1 = On
Opcode: <260Ah> Command a modulator's carrier test
<1> Carrier Test 0 = Normal
1 = CW
2 = Dual
3 = Offset
4 = Pos FIR
5 = Neg FIR
Opcode: <260Bh> Command a modulator's clock control
<1> Clock Control 0 = SCTE, 1 = SCT
Opcode: <260Ch> Command a modulator's clock polarity
<1> Clock Polarity 0 = Normal, 1 = Inverted
Opcode: <260Fh> Command a modulator's output level