Panasonic Station Speed Dial Index
KX-TD Station Speed Dial, all phones KX-TD 308/816/824/500
KX-TD Station speed dial, 74XX display phones KX-TD 308/816/824/500 if you are using a 74XX display phone.
KX-TDA Station Speed Dial, all phones KX-TDA 50/100/200/600
KX-TDA Station speed dial, 74XX display phones KX-TDA 50/100/200/600 if you are using a 76XX series telephone with display.