SET M3 KEY
1:None
2:Trigger Switch
3:Shift Key
4:Enter Key
5:Backlight Key
The backlight function on/off key can be assigned only to any one of M1 through
NOTE
M4 keys. The key defined more recently will act as the backlight function on/off
key and one defined earlier will be ignored.
That is, if you define the M1 and M2 keys as the backlight function on/off key in
this order, the M2 key will work as the backlight function on/off key and the M1
key's entry will be ignored.