Sharp 550SH User Manual page 121

Function Lock (M 12-7-5)
By setting this option on, all the functions of your
phone will be locked until the correct handset code is
entered.
→
"Settings" "Phone Settings"
"Function Lock"
1.
Enter your handset code.
For details on the handset code, see "Changing the
Handset Code".
To Turn Off the Function Lock
Enter your handset code in standby to turn the Function
Lock off.
Contacts Lock (M 12-7-6)
The Contacts Lock function prevents unauthorised use
of your Contacts List.
→
"Settings" "Phone Settings"
"Contacts Lock"
1.
Select "On" to lock or "Off" to unlock.
2.
Enter your handset code.
For details on the handset code, see "Changing the
Handset Code".
120 Settings
→ →
"Locks"
→ →
"Locks"
Showing Secret Data
By setting this option on, the hidden data can be
displayed.
→
"Settings" "Phone Settings"
Secret Data"
1.
Select "On" to display or "Off" to hide.
2.
Enter your handset code when you select "On".
For details on the handset code, see "Changing the
Handset Code".
Changing the Handset Code
The default handset code is "9999".
→
"Settings" "Phone Settings"
"Change Handset Code"
1.
Enter the old handset code.
2.
Enter a new handset code.
3.
Enter the new handset code again.
(M 12-7-7)
→ →
"Locks" "Show
(M 12-7-8)
→ →
"Locks"