User's Manual Part 3

Digital Liquid Cooled UHF
TV Equipment
Use of commands and description of indicators
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
CONTROL KEYS FUNCTIONS SELECTIONS
AVAILABLE/COMMENTS
Selects the constellation type used by the
modulator.
Displays last selection.
ONSTEL 64-QAM/16-QAM /QPSK
64-QAM : 64-bit representation
16-bit representation
PSK (4-QAM) : 4-bit representation
C
16-QAM :
Q
Selects the number of transmitted carriers.
Displays last selection.
ARRIER 8K/2K C
Selects the guard interval used by the
COFDM modulator.
Displays last selection.
2; 1/16; /1/8; 1/4 INTERVAL 1/3
Selects the High Priority code rate of the
modulation.
Displays last selection.
HP CODE RATE 7/8; 5/6; 3/4; 2/3;1/2
/
Selects the network type.
Displays last selection.
SFN / MFN
Selects the transmitter ID number in an SFN
network.
(*)
Displays last selection.
This value allows to address the content
of the MIP to this identified Tx.
Pressing this key calls up the
"NUMERICAL VALUE" window in which
this identification number can be
changed.
Selects the offset delay value. (*)
This value can be changed by the MIP.
Pressing this key calls up the
"NUMERICAL VALUE" window in which
this time can be changed.
Selects the input signal type of the
modulator
Data PRBS 15 / Data PRBS 17 / Data
PRBS 20 / Data PRBS 23 / Data input
ASI / Data DVB_SPI (MODAP version
only)
In SFN mode
, the "Data PRBS" control
keys are not validated by the system.
Selects the clock type of the exciter. CLOCK Internal / CLOCK External
In SFN mode
, CLOCK external is used.
Cancels a selection.
Validates a selection.
Calls up the "STATUS" window.
Calls up the "CONTROL MAINT Level 2"
window.
Calls up the "EXCITER Level 1" window.
9932 V2
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Numéro / Number Doc. Rev. Lan
g
u.
27/06/2006
Pa
g
e