Philips 20PT643F Service Manual page 68

4. Use the MENU UP/DOWN keys to select SL.
5. Use the MENU LEFT/RIGHT keys to toggle SL 'Off' and 'On'.
6. Press the MENU button to return to the top level SDAM menu.
7. To ensure the SL setting is saved:
Turn the television set 'off' by using the 'POWER' button on the remote
§
control transmitter or the local keyboard.
Disconnect the television set from AC power for at least ten seconds.
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Reconnect the television set to AC power.
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Turn the television set 'on' by using the 'POWER' button on the remote
§
control transmitter or the local keyboard.
White Tone
Figure: White tone alignment menu
The values of the 'black cut off level' can be adjusted in the 'WHITE TONE' sub menu.
Normally, no alignment is needed for 'WHITE TONE', and the given default values are
used.