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.
ACTIONS CONSEQUENCES
Leaving the
installation mode
Press the valid key in the
"INSTALLATION PARAMETERS Level 1"
window,
The transmitter stores the new configuration
parameters.
Set switch SW1, situated in the
exciter/CPU interconnection card, such
that the dot is not visible,
The system is initialised with the new status and
operational parameters.
Reset the CPU board.
The "STATUS" window appears and indicates
that the system is in normal operating mode.
1.6.3. Pro
Having alre d n maintenance mode and also having unlocked the PCL and
called up the
cedure for adjusting the required transmitter power
a y configured the system i
"TRANSMITTER STATUS" window, carry out the following operations :
ACTIONS RESULT
Select the required
In NSMITTER STATUS" The "REQUIRED indow appears.
power value
the "TRA
window, press on the "REQUIR POWER"
key
POWER" w
The current value is displayed under the window
title.
1 - To insert the
required p er value
Enter the required value on the window
P
ow
keyboard,
Press "ENTER" to validate the entry.
IM ORTANT :
Range of variation:
0.25 *Cal Pwr
< REQ Pwr < 1.12 Cal
Pwr and
REQ Pwr
< MAX Pwr
ncelling the selection: Ca
nder the
The system activates the new power reduction
value.
The new current value is displayed u
window title
QUIRED
res the new power reduction
Press “CANCEL” key in the "RE
POWER" window.
The "TRANSMITTER STATUS" or "RF LEVEL”
window appears.
The system igno
value.
2 - Select the
reduction value:
In the "POWER REQUIRED" window,
y successively
uction value is
displayed
values of power reduction appear
the
m activates the new power reduction
value.
required power
press on the "x dB" ke
until the required power red
Press the "ENTER" key for Validation of
selection:
Cancelling the selection:
The available
successively on the key. he key flashes until
selection is validated.
The "x DB" key stops flashing and remains lit.
The syste
The "TRANSMITTER STATUS" or "RF LEVEL”
window appears.
The system ignores the new power reduction
value.
Press “CANCEL” key in the "REQUIRED
POWER" window.
9932 V2
45321648.01 108 B E
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Numéro / Number Doc. Rev. Lan
g
u.
27/06/2006
Pa
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e