User guide

Operating the MC909X 2 - 41

Application These keys can be assigned to an application.

On Windows

Mobile 5.0 devices: F6

and

keys cannot be remapped and are

dedicated by the Operating System to control volume level. When these keys are

pressed, Shell.exe traps them and displays the volume adjustment window. To get

these keys to an application, call GXOpenInput() at the beginning of the application

and call GXCloseInput() at the end of the application. This redirects all of the key

events to an application, including the

and

keys.

Note:

Other applications cannot receive any key event until GXCloseInput() is

called. For example, if the customer is using the APP1 key to run Calc.exe, this is

disabled during this period.

Function (blue) Press and release the blue function key to activate the keypad alternate functions

(shown on the keypad in blue). The LED above the key lights and the icon

appears on the taskbar on WinCE devices or the icon appears at the bottom of

the screen on Windows Mobile 5.0 devices. Press and release the blue function

key again to return to the normal keypad functions.

Control Press and release the CTRL key to activate the keypad alternate CTRL functions.

The LED above the key lights and the icon appears on the taskbar on WinCE

devices or the icon appears at the bottom of the screen on Windows Mobile

5.0 devices.

Press the Blue key followed by the CTRL key to activate the keypad alternate ALT

functions. The icon appears on the taskbar on WinCE devices or the icon

appears at the bottom of the screen on Windows Mobile 5.0 devices.

Shift Press and release the SHIFT key to activate the keypad alternate SHIFT functions.

The icon appears on the taskbar on WinCE devices or the icon appears

at the bottom of the screen on Windows Mobile 5.0 devices. Press and release the

SHIFT key again to return to the normal keypad functions.

Period/Decimal Point Produces a period for alpha entries and a decimal point for numeric entries.

Table 2-12

5250 Emulator Descriptions (Continued)

Key Description

LED

ALT