Apple Wireless Keyboard the initial release. The new model now uses only two AA batteries instead of three originally. Additionally, Mac OS X 10.5.8 is now the minimum OS over the original Mac OS X 10.4.10. This model of keyboard became standard with new generation of iMacs introduced on the same day. On July 20, 2011, following the release of Mac OS X 10.7/OS X Lion, Apple updated the keyboard slightly, updating the label on the Exposé key to Mission Control and changing the Dashboard key to a Launchpad key. Keyboard layouts with a rectangular Enter key are available in American English and
QWERTY the image shown above, especially as regards the characters available using the or keys. (on the upper row) produces the "°" sign, and produces the "€" sign. The digit keys produce "©@£$∞§|[]≈" with and "¡"¥¢‰¶\{}≠" with . On Linux systems, the Swedish keyboard may also give access to additional characters as follows: Several of these characters function as dead keys. Today the majority of Turkish keyboards are based on QWERTY (the so-called Q-keyboard layout), although there is also the older F-keyboard layout specifically designed for the language. The United Kingdom and Ireland use a keyboard layout based on the 48-key