Fn Key - Metrologic Optimus S Programming Manual

3.7.3 FN Key

These are applicable to the Optimus R only.
GetFuncToggle
SetFuncToggle
Purpose To get information of the FN key state.
Syntax int GetFuncToggle (void);
Example state = GetFuncToggle();
Description This routine gets the current state of the FN (function) key.
Return The return value can be 0 ~ 3.
See Also SetFuncToggle
Purpose To set the state of the FN (function) key.
Syntax void SetFuncToggle (int state);
int state:
Example SetFuncToggle (0)
Description This routine sets the current state of the FN key. It is set to be "unlocked" by
default.
The value of the parameter state can be one of the following:
0
1
Return None
See Also GetFuncToggle
Chapter 3 Terminal Specific Function Library
Unlocked (default)
Locked
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Optimus R
Optimus R
/* FN key state */
/* set the FN key unlocked */