Unitech PA500 Programming Manual

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2.25. Send command to decoding chip
Function Description:
Send command to decoder chip. This is a variation of command HAM_SendCommand.
It will read a number of parameters and packet them as in following format and send it
to decoder chip.
Esc, parameter1, parameter2, …, BCC
The total number of parameters is specified by first parameter num.
Function call:
BOOL HAM_SendCommand2(BYTE num, BYTE parameter1, …);
Parameter: (input)
num: BYTE: number of total parameters
parameterx BYTE: Parameter
Parameter: (output)
Return:
TRUE = indicates the command has been successfully sent to queue to output.

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