Panasonic KX-T336 System Reference Manual page 902

F. Maintenance Command
1.00 Change Level (CHL)
Description
Allows you to change the password level.
(Password level : Four or higher)
Input Format
; OPE> CHL
After pressing the RETURN key and "=
appears, enter the password. However, the
password characters are not displayed when they
are entered.
2.00 Show Level (SHL)
Description
Allows you to confirm the current password level.
(Password level : Four or higher)
Input Format
; OPE> SHL
"
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