User's Manual Part 1

Digital Liquid Cooled UHF
TV Equipment
Exploitation
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
1.6.5. Procedure for changing the configuration of the Adaptation parameters (ALE
S card (SIRIUS
ersion).
Summary
and LUT)
This procedure provides for changing the type of linearity "ALE" and non linearity "LUT" signal
correction (fixed or adaptive) performed by the DAP card (MODAP version) or T
v
In fixed position, the corre meters are not continuously adjusted.
Hav g unlocked
the PCL and called up ELLANEOUS" window (refer to procedures which are necessary prior
to adjusting or changin
ction para
ing already configured the system in local control, main
the "MISC
tenance modes, and also havin
g an operational parameter), carry out the following operations :
ACTIONS RESULT
To change the type
of correction
(or
"FIXED MODE") in the
"MISCELLANEOUS" window.
♦ The control keys flashes and displays the new
selection in reverse video.
♦ Press "N. LIN COR ADAPTIVE MODE"
(or "FIXED MODE") in the
“MISCELLANEOUS” window.
♦ Press " LIN COR ADAPTIVE MODE" ♦ The control keys flashes and displays the new
selection in reverse video.
Validation of
selection
♦ Press the "VALID" key. ♦ The control keys label stops flashing and display
the new selection picked up the system in no
s
rmal
video.
1.6.6. Procedure for changing the configuration parameters of the OLDC card
Note : T edure is achieve in COFDM MODAP version only his proc
This procedure provides for changing the type of signal correction (fixed or adaptive) performed by the
OLDC card.
Remember
In fixed position, the correction parameters are not continuously adjusted.
Having already configured the system in local control, maintenance modes, and also having unlocked
e PCL and called up the "CONTROL MAINTENANCE Level 4" window (refer to procedures which
cessary prior to adjusting or changing an operational parameter), carry out the following
operations :
th
are ne
ACTIONS RESULT
To change the type of
♦ ELECT MODE" in the
♦
The message window above the control
correction
Press "S
"CONTROL MAINT Level 4" window
keys flashes while displaying the newly
selected operating mode (OLDC ADAPT or
OLDC FIXE).
Val on
ly
selected operating mode.
idation of selecti
♦ Press the "VALID" key.
♦
The message window above the "SELECT
dMODE" control keys stops flashing an
remains lit while displaying the new
Cancelling the
selection
♦ Press the "CANCEL" key.
♦
The message window above the "SELECT
MODE" control keys stops flashing and
remains lit while displaying the operating
mode which had been previously selected.
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Numéro / Number Doc. Rev. Lan
g
u.
27/06/2006
Pa
g
e