Unitech PA500 Programming Manual

-
2.17. Stop auto scanning function
Function Description:
Stop auto scanning
Function call:
void USI_StopAutoScan();
2.18. Check if auto scanning is enable
Function Description:
Check if auto scanning function is enabled or not
Function call: BOOL USI_IsAutoScanning()
Return: BOOL: TRUE : auto-scanning is running
FALSE : auto-scanning is disabled.
2.19. Check if Scan2Key.exe program is running or not
Function Description:
Test whether Scan2Key application is running at background. (It doesn’t mean
Scan2Key is routing scanner input to keyboard, please call S2K_IsEnabled() to check if
routing function is enable or not)
Function call:
HWND S2K_IsLoaded();
Return: NULL : Scan2Key is not running
Non-NULL : indicates scan2key is running. It actually returns
window handle for scan2key, but it is for internal use – send messages.
2.20. Test if Scan2Key is enabled
Function Description:
Test whether Scan2Key is enabled. Scan2Key routes scanning input from scanner to
keypad buffer, so that barcode data can be input as like from keystrokes on keypad.
Function call:
BOOL S2K_IsEnabled();
Return: TRUE = enabled.
FALSE = disable
2.21. Load/Unload Scan2Key.exe
Function Description:
Load or unload Scan2Key
Function call:
BOOL S2K_Load(BOOL load, DWORD timeout);
Parameter: (input)
load: BOOL: TRUE = load Scan2Key
FALSE = unload Scan2Key
timeout: DWORD: when unload Scan2Key, it will wait until
Scan2Key has been removed from memory or timeout
specified by this parameter.
Parameter: (output)
Return: TRUE = successfully loaded.

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