Unitech PA500 Programming Manual

-
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);
Parameter: (input)
filename: LPCTSTR : name of scanner setting profile (*.USI)
formulaOnly: BOOL: if TRUE, only data editing formulas are
load. The other settings remain unchanged
Return: 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.

Unitech PA500 Specifications

System Memory

SDRAM	64 MB
Flash ROM	64 MB

Display

display resolution	240x320 QVGA
display type	Color Transflective TFT
touch screen	yes

Laser Bar Code Scanner

scan rate	104 scans/sec ± 12 scans/sec
scan angle default	47°±3°
scan angle reduced	35°±3°

Power

main battery voltage	3.7 V
main battery capacity	2200 mAh
rechargeable time	3.5 hours

Operating Environment

operating temperature	32°F to 122°F (0°C to 50°C)
storage temperature	-4°F to 140°F (-20°C to 60°C)
relative humidity	5% ~ 95% (non-condensing)

Weight and Dimensions

weight with battery and scan engine	Under 213 g
length	126 mm
height	23 mm