Unitech PA600 Programming Manual

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8. Dynamic Load DLL
Compiler would not load the DLL while use dynamic load DLL, it help user to load the DLL if it exists while the
application executed. The follow is the example.
Note: Even user does not need include the header and lib file but need to know the function definition.
//////////////////////////////////////////////////////////////////////////////////////////
HINSTANCE g_hUSIDLL;
typedef BOOL (*lpfnUSI_GetScannerVersion)(LPTSTR model, LPTSTR firmware, LPTSTR sdk, int blen);
lpfnUSI_GetScannerVersion USI_GetScannerVersion;
g_hUSIDLL = LoadLibrary(L"\\Windows\\USI.dll");
if (g_hUSIDLL != NULL)
{
USI_GetScannerVersion = (lpfnUSI_GetScannerVersion)GetProcAddress(g_hUSIDLL,
TEXT("USI_GetScannerVersion"));
}
else
{
MessageBox(_T("Load library USI.dll fail"), NULL, MB_OK);
return;
}
TCHAR lstrmodel[50], lstrfirmware[50], lstrsdk[50];
if (USI_GetScannerVersion != NULL)
rc = USI_GetScannerVersion(lstrmodel, lstrfirmware, lstrsdk, sizeof(lstrmodel) + sizeof(lstrfirmware) +
sizeof(lstrsdk));
else
MessageBox(_T("USI_GetScanerVersion does not find"), NULL, MB_OK);
if (g_hUSIDLL != NULL)
FreeLibrary(g_hUSIDLL);
//////////////////////////////////////////////////////////////////////////////////////////

Unitech PA600 Specifications

System Memory

SDRAM memory	64 MB
Flash ROM	128 MB
Flash ROM with WWAN	320 MB

Display

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

Power

main battery	3.7V 1950mAh Li-Ion Battery Pack
backup battery	One Rechargeable Ni-MH Backup Battery
power source	Main Battery

Operating Environment

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

Weight and Dimensions

weight	290g with Battery & Scan Engine
length	149.5 mm
height	26.6 mm