28JF-73H (serv.man26) - Sharp TV User Guide / Operation Manual. Page 24

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You can lock a TV channel to prevent unsupervised TV viewing by following these procedures; the protection can apply
to the television itself LOCK ALL or to specific programmes LOCK PROG.. With the CHILD LOCK function, you can also
programme a time period during which the TV will be protected.

Press the MENU button 

 to see the MAIN menu.

Press the YELLOW button  

to see the FEATURES menu.

Press the Channel DOWN button 

twice to select CHILD

LOCK in white letters on a blue background.

Press the MENU button 

 to see the CHILD LOCK menu.

Press the Channel UP/DOWN buttons 

/

to select an

option from the list:
LOCK ALL, LOCK PROGRAMME or CLEAR LOCK
The selected item will appear on screen in a blue box.

Select this option for protecting the access to the whole TV.
If necessary, repeat steps 1. to 4. to see the CHILD LOCK menu.

Press the Volume UP button 

to select the protection type

(white letters):

Select NONE: To cancel the protection.

Select ALWAYS LOCKED: The access to the TV will be protected
throughout the day.

Select START: /STOP: to block access to the TV during the
desired period of time. Enter the hours and minutes using the 0 ~
9 digit buttons to set the starting and ending times of the lock
period.

Press the GREEN button 

to memorize.

From this time forward, whenever the protection conditions are met,
the screen will be blocked and the “LOCKED MODE” message will be
displayed.
Press any number key on the remote control to unlock the TV.

Since the “key” for unlocking the TV is the remote control,
make sure you do not misplace it.

CH

CH

CH

■ Child Lock (Channel Block)

DEMO

CHILD LOCK

OFF TIMER

ON TIMER

➜

Press the MENU
button to enter
the CHILD LOCK
menu.

CLEAR LOCK

LOCK PROG.

LOCK ALL

NONE
ALWAYS LOCKED
START: 
STOP: 

CHILD LOCK menu - LOCK ALL

MEMORIZE

GREEN

MAIN menu

YELLOW

FEATURES menu