Ericsson RX1290, Reference Manual

Page: 48 / 176

Operating the Equipment Locally
3.6 Setting Up the Input (Menu 2)
3.6.1 DVB-S2 Satellite Receiver (TT1290/HWO/DVBS2 and
TT1290/HWO/DVBS2/IF/CONST)
Table 3.6 Setting Up the DVB-S2 Satellite Receiver
Step Action Result
1 Go to Menu 2.3 and select
SOURCE 1. The Receiver can take its signals from four
sources. Set-up source 1.
2 Scroll to Menu 2.3.2. Enter the
LNB FREQUENCY then press
Save .
This sets up the LNB frequency for the
selected Source in MHz.
3 Scroll to Menu 2.3.2.1. Enter
the SATELLITE FREQUENCY
then press
Save .
This sets up the Satellite frequency for the
selected Source in MHz.
4 Scroll to Menu 2.3.2.2. Enter
the SYMBOL RATE then press
Save .
Sets the symbol rate for the selected Source in
Msymbols/s.
5 Scroll to Menu 2.3.2.3. Enter
the DVB Modulation Standard
then press
Save .
This sets up the DVB modulation Standard
(DVB-S or DVB-S2). FEC detection is
automatic. In DVB-S2 mode the demodulator
automatically detects and locks to both QPSK
and 8PSK constellations.
6
Scroll to Menu 2.3.2.4. Enter
the
ROLL-OFF then press
Save.
Sets the Roll-Off of the demodulator Root
Nyquist Filter. Choose between 35%, 25%,
20%. This value should match that set in the
transmitting modulator.
7 Scroll to Menu 2.3.2.5. Enter
the SEARCH RANGE then
press
Save .
This sets up the centre frequency Search
Range for the selected Source in kHz.
8 Scroll to Menu 2.3.2.6. Enter
the LNB POWER and
VOLTAGE settings then press
Save .
Sets the LNB power for the selected Source
(ON, OFF, BOOSTED). BOOSTED provides
1V extra power over the ON setting. Also sets
the LNB voltage settings (18v – Horiz, 13v –
Vert).
9 Scroll to Menu 2.3.2.7. Enter
the LNB 22 kHz setting then
press
Save .
Enables or disables the LNB 22 kHz control
tone for the selected Source (On, Off).
10 Repeat steps 2 through 9 for
input 2 to 4
EN/LZT 790 0003/2 R1A 3-10