Panasonic KX-TD500 System Reference Manual page 715

<Type 1>
This function field is available for setting/canceling group locking.
Type 1
<Type 2>
This function field is available for concluding Pickup Group Management screen,
and moving to other screens as selected by function keys.
Type 2
F1
(LOOP & TRG)
F2
F3 F4
( )
( ) (
F6
(Select)
F7
(Memory)
F8
(Function Select)
F1
(LOOP & TRG)
F2
(Extension Manage)
F4
(CO Manage)
F5
(Attendant Manage)
F7
(Help)
F8
(Function Select)
6-C-27
LOOP & TRG
Move the cursor to the position to be
F5
set or cancelled group lock.
) ( )
Select setting/canceling group lock.
Store setting/canceling group lock
data.
Type 2
LOOP & TRG
Management screen
CO Management
Management screen
Help screen
screen
screen
Extension
screen
Attendant
Type 1