Sharp 802 User Manual page 194

Phone Lock
By setting this option on, your phone will lock the keypad until the correct handset code is
entered.
→
"Settings" "Security Settings"
1.
Enter your handset code.
The default handset code is "9999". For details on changing the handset code, see "To
Change the Handset Code" on page 192.
To Turn Off the Phone Lock
Enter your handset code during stand-by to turn the Phone Lock off.
Showing Secret Data
By setting this option on, the hidden data can be displayed.
→
"Settings" "Security Settings"
1.
Select "On" to display or "Off" to hide.
→
"Phone Lock"
→
"Show Secret Data"
Settings
193