Master Reset - Sharp GX-T17 User Manual

To Change Handset Code
Before you change the handset code, select "On" in step
1 in "Handset Lock" on page 109. The default handset
code is "0000".
→
"Settings" "Security"
"Change code"
1.
Enter the old handset code.
2.
Enter a new handset code.
3.
Enter the new handset code again.

Master Reset

All settings can be reset to their default settings.
→
"Settings" "Master Reset"
1.
Enter your handset code.
110 Settings
→
"Handset Lock"
(M 9-8)
→