Specifications

Enabling or Disabling Fn Key

For keys that perform specialized operations while the key input mode has been set to Function

mode, “Enable” or “Disable” can be set on each individual key in the registry below to control the

operations.

[HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\KEYBD]

Or, using the SysSetFnKeyOperation and SysSetFnKeyOperation functions of either

Common Device Control Library or Common Device Control Class Library can achieve the same

control operation explained above.

Table. 2.6

Key Setting Value Meaning

DisableFn9 dword: 0 or 1 Enable or Disable

DisableFn8 dword: 0 or 1 Enable or Disable

DisableFn7 dword: 0 or 1 Enable or Disable

DisableFn6 dword: 0 or 1 Enable or Disable

DisableFn5 dword: 0 or 1 Enable or Disable

DisableFn4 dword: 0 or 1 Enable or Disable

DisableFn3 dword: 0 or 1 Enable or Disable

DisableFn2 dword: 0 or 1 Enable or Disable

DisableFn1 dword: 0 or 1 Enable or Disable

DisableFn0 dword: 0 or 1 Enable or Disable

Function Mode Notification

When the Fn key is pressed, the WM_USER+0x502 message is issued to the application. This

enables the application to detect whether the Function mode has been set up enabled or disabled.

Enable or Disable the A Key

The device library can be used to make the setting on “Enable” or “Disable” for switching over

the key input mode in application.

A Key Notification

When the A key is pressed, the WM_USER+0x506 message is issued to the application. Using

this notification, the application can detect whether the key input mode has been changed.

Permit or Prohibit Key Locks

The device library can be used to permit or prohibit the operations of keys except for the Power

and Trigger keys.