Specifications

6.7. Function Mode
Use either of the methods below to enable function mode.
(1) Call up the BHT_SetSysSettingDW (BHT_KEY_FUNCTION,KEY_FUNCTION_ON) function.
(2) Press the [FN] key when in function mode.
Use either of the methods below to disable function mode and return to non-function mode.
(1) Call up the BHT_SetSysSettingDW (BHT_KEY_FUNCTION,KEY_FUNCTION_OFF) function.
(2) Press the [FN] key when in function mode.
Non-function mode is enabled as the default when the unit is booted up.
The following icon displays in the task bar when in function mode.
If a key is pressed when in function mode, a virtual key code or character code is returned as outlined
in ”Appendix A. Keyboard Arrangement, Virtual Key Codes, and Character Codes”.
6.8. Key Clicks
When the keys are pressed, the BHT clicks as specified below. Note that pressing the power key does
not click.
Parameter name Type R/W
Control code
(dwCtrlCode)
Parameter
value
(dwSysParam)
Default Validating timing
Key click volume DW R/W
BHT_BEEP_VIB
_KEY
0: OFF
1: Soft
2: Loud
2
first key press after
setting
Trigger switch
clicks
DW R/W
BHT_BEEP_VIB
_TRGKEY
CLICK_SOUND
_OFF: Prohibit
CLICK_SOUND
_ON: Allow
CLICK_SOUND_OFF
first trigger key press
after setting
6.9. Acquisition of Keypad Type
The BHT_GetSysSettingDW (DWORD dwCtrlCode,DWORD *pdwSysParam) function reads the keypad
type.
Parameter name Type R/W Control code Parameter value Default Validating timing
Keypad type DW R BHT_KEYBOARD_TYPE
KEYBOARD_TYPE1
: 27-key pad
KEYBOARD_TYPE2
: 42-key
- -
20