LC-42SA1E (serv.man2). Adjustment Procedure - Sharp TV Service Manual (repair manual). Page 16

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[9] Initialization to factory settings
Caution:
When the factory settings have been made,  all user setting data,  including the channel settings,  are initialized. (The adjust-
ments done in the adjustment process mode are not initialized.) Keep this in mind when initializing these settings.
Adjustment item
Adjustment conditions
Adjustment procedure
1
Factory settings
Forcibly turn off the power
(See to below caution)
•Enter  the adjustment process mode.
•Move the cursor to [Factory Init] on page 2/11.
•Use the R/C  
key to select a region from [EURO/UK/ITALY/
FRANCE/RUSSIA] and press the [OK] key.
“EXECUTING” appears and initialization starts.
After a  while,”***OK***” appears and the setting is complete.
Note: Never turn the power off during initialization.
When performing factory settings (while displaying page 2 of adjustment 
process), confirm that the item “Inch Setting” or the panel size displayed 
in the upper right corner corresponds to each panel size.
•The following items are initialized in the factory setting.
1. User settings
2. Channel data (e.g. broadcast frequencies)
3. Maker option setting
4. Password data
After adjustments,  exit the adjustment process mode.
To exit the adjustment process mode,  unplug the AC power cord from the outlet to forcibly turn off the power.
When the power is turned off with the remoto control, unplug the AC power cord and plug it back  in.
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