This is the keyboard click disable register; POKE with any non-zero number to disable the annoying keyboard sound produced through your TV. POKE again with 0 to enable the sound. On the 1200XL, CTRL-F3 toggles the sound as well.

see also: Keyboard topics

Tastenklick, $FF schaltet den Klick aus (XL/XE). Standerdwert für "Ton an" ist 0.