Panasonic KX-T336 System Reference Manual page 826

3.00 Password Entry Screen
Summary
The screen is for entering passwords which is
necessary to enter into system administration
mode. Enter the passwords which are assigned
in System Password "Protection level 1 to 4" of
the installation.
To prevent an unauthorized person from learning
the password, the password characters are not
displayed when they are entered.
Displays ON-LINE PROCESS screen in on-line
mode, and OFF-LINE PROCESS screen in off-
line mode.
The above screen appears when the system is in
on-line mode.
If no characters are entered within 30 seconds
after this screen is displayed, the display returns
to the initial screen.
When you enter the correct password and press
the RETURN key, the terminal displays the next
screen.
7-B-4