Panasonic KX-TD500 System Reference Manual page 694

The following flow charts show the options available from each function field.
Advance to your desired screen by pressing a corresponding function key.
<Type 1>
Type 1
F2
(Busy Lamp Type)
F3
(Speed Dial)
F4
(Extension Directory)
F5
(Call Park)
F7
(Help)
F8
(Function Select)
Busy Lamp
Type screen
Speed Dial
screen
Extension Directory
screen
Call Park
screen
Help screen
Type 2
6-C-6
<Type 2>
Type 2
F2
(Extension Manage)
F3
(Pickup G. Manage)
F4
(CO manage)
F5
(Attendant Manage)
F7
(Help)
F8
(Function Select)
Extension
Management
screen
Pickup Group
Management
screen
CO Management
screen
Attendant
Management
screen
Help screen
Type 1