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24 Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer Quick Start Guide
2.3.1 Modifier Keys
The [SHIFT], [CTRL], [ALT], [BLUE] ad [ORANGE] keys are
modifier keys. Pressing a modifier key changes the function of the
next key pressed. For example, on a QWERTY keyboard, a square
bracket is printed in orange print above the [4] key. Pressing the
[ORANGE] key followed by the [4] key displays a square bracket
rather than the number 4.
The [SHIFT], [CTRL] and [ALT] keys operate much like a desktop
keyboard except that they are not chorded (two keys held down
simultaneously). The modifier key must be pressed first followed by
the key whose function you want modified.
Activating Modifier Keys
When a modifier key is pressed once, it is displayed in lowercase let-
ters in the taskbar at the bottom of the 8525 G2/8530 G2 screen. For
example, if the [CTRL] key is pressed, ctrl key is displayed at the bot-
tom of the unit screen. Once another key is pressed, the modifier key
becomes inactive and disappears from the taskbar.
Locking Modifier Keys
When a modifier key is ‘locked’ on, it is displayed in uppercase let-
ters in the taskbar. For example, pressing the [BLUE] key twice
locks it on – it is displayed as BLUE KEY in the taskbar at the bottom of
the computer screen.
The locked modifier key will remain active until it is pressed a
third time to unlock or turn it off. Once a modifier key is unlocked,
the uppercase representation at the bottom of the screen is no
longer displayed.
Note: The locking function of any modifier key can be disabled so
that pressing it once will lock the key ‘on’.
If you disable the ‘One Shot’ function (accessible through the
Control Panel ‘Keyboard’ icon) of a modifier key, pressing
the key once will lock it ‘on’. Pressing the same key a second
time will unlock or turn it ‘off’.