Unitech PA500 manual Save scanner setting into specified file, Parameter output Return

Parameter: (input) filename: formulaOnly:

Return:

2.14.Save scanner setting into specified file

Function Description:

Save the current settings to file. The file takes “*.USI” as extension name.

Function call:

BOOL USI_SaveSettingsToFile(LPCTSTR filename)

Parameter: (input)

filename : LPCTSTR: file name for setting profile

Return:	TRUE = success
	FALSE = error

2.15.Change scanner setting from specified setting profile

Function Description:

Load and activate the settings from file.

Function call:

BOOL USI_LoadSettingsFromFile(LPCTSTR filename, BOOL formulaOnly);

LPCTSTR : name of scanner setting profile (*.USI)

BOOL: if TRUE, only data editing formulas are load. The other settings remain unchanged

TRUE = success FALSE = error

2.16.Automatically enable scanner beam with pressing trigger key

Function Description:

Start auto scanning. Scan engine will be automatically triggerrd on.

Function call:

BOOL USI_StartAutoScan(DWORD interval);

Parameter: (input)
interval :	DWORD:	Specifies the interval in milli-second
Parameter: (output)
Return:

Note: USI will call the function SetScannerOn function exported by the DLL defined in the registry described below (UPI300.DLL is an example) to start and stop the scanner. If the DLL is not defined or the function is not found, then auto scanning is not available.

[HKEY_LOCAL_MACHINE\SOFTWARE\Unitech America Inc.\Scanner\Settings] "DLLSCANNERCONTROL"="UPI300.DLL"

The function prototype of SetScannerOn is:

VOID WINAPI SetScannerOn(BOOL fon);

Start when fon is TRUE, and stop when fon is FALSE.

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