Specifications

235
• Pressing the M4 key (key number 38) while holding down the shift key functions
as a backlight on/off control key by default.
• If pressed together with the shift key, any numerical key can operate as a function
key.
•
onduration is the length of time in seconds from when the backlight is turned
on to automatic turning-off. Pressing the trigger switch or any key (except for the
backlight function on/off key) while the backlight is on resets the counter of
onduration to the specified time length and restarts counting down.
Specification of BL0 disables the backlight function. Specification of BL255
keeps the backlight on.
• A function key defined as a backlight function on/off key cannot be used to enter
string data.
• If you issue more than one
KEY statement, the last statement takes effect. That
is, if you define more than one key as a backlight function on/off key as shown
below, only the function key numbered 8 operates as a backlight function on/off
key and the length of backlight ON-time is 15 seconds.
KEY 5,"BL40"
KEY 8,"BL15"
■ Defining a magic key as a trigger switch, shift key, or software keyboard display
key
•
KEY in syntax 3 defines a magic key as a trigger switch, shift key, or software key-
board display key, as well as assigning string data.
KEY 30,"TRG" ’M1 key as a trigger switch
KEY 31,"SFT" ’M2 key as a shift key
KEY 35,"ALP" ’M3 key as a software
’keyboard display key
• With the software keyboard function enabled, if you press a key defined as a soft-
ware keyboard display key during running of a user program, then a software key-
board will appear.
• Pressing the M3 key while holding down the shift key functions as a software key-
board display key by default.