Casio IT-G500 Series Software Manual page 21

(7) Input switch key control
Press the character key to switch the input mode. The current key mode is indicated on the task tray
title bar.
The function mode and lock mode are common to all modes, regardless of IME status.
Display
(8) Side trigger key input interrupt disabled
The input interrupts assigned to the left and right trigger keys can be disabled.
If they are disabled, input from other keys can be received even while a side trigger key is pressed.
This function prevents inadvertent pressing of the side trigger keys, which are placed on the sides of
the case, by the hand that holds the case during numerical keypad input, because such trigger key
operation disables numerical keypad input.
Setting can be made from the application by using a system library.
For details, refer to the System Library Manual.
mode
Numeral mode Single-byte numeral input
Single-byte uppercase alphabet input
Alphabetic
uppercase
character mode
Single-byte lowercase alphabet input
Alphabetic
lowercase
character mode
Single-byte numeral input
Phone mode
The Enter key and a few other virtual key codes are different from
numeral mode.
Refer to "2.2.3 Telephone input mode key assignment" for details.
Perform specialized operations with key combinations.
Function mode
Press the Fn key to enter this mode.
Lock mode Input from keys other than the Power key and trigger keys is
prohibited.
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