Panasonic KX-TD500 System Reference Manual page 853

3.00 Returning to Previous Screen
To return to the previous screen, press the PF2
key.
The illustration below shows the operation,
staring from the Setting Screen and returning to
the Main Menu screen.
<Example>
Configuration-System Assignment
PF2
Configuration-Submenu
1. System Assignment
PF2
Programming Main Menu
01. Configuration
PF2
Main Menu
1. Programming
Setting Screen
Pressing the PF2 key returns the
screen to the Sub Menu screen.
Programming Submenu screen
Pressing the PF2 key returns the
screen to the Programming Main
Menu screen.
Programming Main Menu screen.
Pressing the PF2 key returns the
screen to the Main Menu screen.
Main Menu screen
Pressing the PF2 key while the
Main Menu screen is displayed
causes no change of the screen
and error entry tone sounds.
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