Acer AT350 F2 Series Service Manual page 199

5 Select Relative Mouse for the Linux OS.
6 Select Enable Keyboard Input to enable keyboard support so that you
can use soft keyboard as an input device. From the Keyboard layout
pull-down menu, select the right language setting for your soft
keyboard.
7 Use the slider on the Repeat Key Timeout scale to select the
appropriate timeout settings for repeat keystrokes from 0ms to
1000ms (micro-second).
8 Click <Save> to save the keyboard setting or click <Cancel> to cancel
it.
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