KV-XF21M31 - Sony TV Service Manual (repair manual). Page 15

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 15 
KV
-XF21M31
RM-952
17
Advanced Operations
Advanced Operations
Blocking the
channels
(CHILD LOCK)
You can prevent a child from watching
certain programs by using the buttons
on the remote control.
1
Select the TV program you want to lock.
2
Press SELECT until “CHILD
LOCK” appears on the
screen.
3
Press + or – to select
“ON”.
The 
 symbol appears on
the screen.
To unlock the channel,
press + or – to select
“OFF”. The 
 symbol
disappears from the screen.
Note
• If you preset a locked channel, that particular channel will be unlocked
automatically.
SELECT
+ or –
CHILD LOCK: OFF
SELECT
CHILD LOCK: ON
1
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
18
Advanced Operations
Broadcasting
On-screen display (Selected sound)
NICAM stereo
NICAM bilingual
NICAM monaural
Selecting a stereo
or bilingual
program
You can enjoy stereo sound or bilingual
programs of NICAM and A2 (German)
stereo systems.
Press A/B 
 repeatedly
until you receive the
sound you want.
The on-screen display changes
to show the selected sound
and the Â indicator on the TV
lights up red.
When receiving a NICAM program
b
STEREO
NICAM
MONO
(Stereo sound)
(Regular sound)
NICAM
MAIN
MONO
(Main sound)
(Regular sound)
NICAM
SUB
(Sub sound)
NICAM
MAIN
MONO
(Main sound)
(Regular sound)
A/B 
TV
SOUND 
MODE
 
FAVORITE
PROGR
Á
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