The back of the Keyboard has DIP switches built-in to change key codes, Alt, Meta, and Windows Key functionality, and also enable/disable USB downstream ports settings.
DIP SW
PS/2 Model
USB Model
1
Not used
OFF
:
Downstream ports Enable
ON
:
Downstream ports Disable
2
Not used
3
OFF
:
= Delete
ON
:
= BS(BackSpace)
4
OFF
:
= Alt, = *
ON
:
= *, = Alt
[ Happy Hacking Keyboard ]
Power Switch
Operates the power supply key when the keyboard is connected to a SPARC station or to a Macintosh (or Macintosh-compatible) computer.
Mode Switch
Mode Switch Setting
Sun
PC(PS/2)
Mac
Setting
Mode
DEL key
Left key
DEL key
Left key
DEL key
Left key
0
DEL
Meta
DEL
no conversion
DEL
Cmd
1
DEL
Fn
DEL
Fn
DEL
Fn
2
BS
Fn
BS
Fn
DEL
Fn
3
BS
Meta
BS
no conversion
DEL
Cmd
The mode is set to "Mode 0" at shipping.
The [Del] key can be set to function as a [BackSpace] key. (Mode 2, 3) *Does not apply to a Macintosh (or Macintosh-compatible) computer.
The left hand key can be set to function as a [Fn] key. (Mode 1, 2)
*1: Delete Key setting *2: Left Diamond Key setting
*1
*2
[ Happy Hacking Keyboard Profesional ]
The back of the keyboard has DIP switches built-in to change key codes, Alt, Meta, and Windows key functionality, and also enable/disable USB upstream ports settings.
Back
SW1
SW2
Mode
OFF
OFF
HHK Mode
ON
OFF
Lite Extention Mode
OFF
ON
Macintosh Mode
ON
ON
No Setting
DIP SW
Function
Status
Key
Function
3 *1
OFF
Delete
Delete
ON
Delete
BS(BackSpace)
4
OFF
Left
Left
ON
Left
Fn
5
OFF
Alt
Alt
*2
ON
Alt
*2
Alt
6
OFF
Wake Up disable
ON
Wake Up enbale*3
*1
SW3 is disabling in case of Macintosh mode.
*2
Key is window's key in case of Lite Extension mode.
Key is command's key in case of Macintosh mode.
*3
In case Wake up is enable, the keyboard has electricity consumption in suspend mode on PC.
= Delete
= Alt, 
= 
*
