Panasonic KX-TD500 System Reference Manual page 698

<Type 1>
This function field is available for advancing to the next screen or returning to the
previous screen in the Busy Lamp Type screen. You can see the extension name
screen by pressing the F6 key at extension number screen, Busy Lamp Type
program mode is obtained by pressing the F7 key.
Type 1
F1
(LOOP & TRG)
F2
(Next Page)
F3
(Previous. Page)
F6
(No./Name Change)
F7
(PGM Mode Entry)
F8
(Function Select)
Program Mode Entry function (F7) appears only when the extension number column
is displayed.
Press the F6 key if required to switch screens to extension name column.
LOOP & TRG
screen
Advancing to next screen
Returning to previous screen
Changing to
Ext. Number column
(Example)
1001
1002
Type 4
(BLF Program mode)
Type 2
6-C-10
Changing to
F6
Ext. Name column
(Example)
Betty
Frank