Ada yang faham "Barcode Scanner" ? Saya disuruh beli dengan
spesifikasi seperti ini. Dari list dibawah, hal-hal apa yang penting
untuk diketahui.

Trims.



Light Source    : Visible Laser Diode
Laser Power     : 0.72 mW (peak)
Depth of Scan   Field   : 0 mm – 203 mm (0"-8") for 0.33 mm (13 mll)
barcodes (at default setting)
Widht of scan field     : 64 mm (2.5") @ face; 249 mm (9.8") @ 203 mm (8")
Scan Speed              : 72 +/- scan lines per second
---------------------

Scan pattern            : Single scan line
Infrared  Activation    : Long range: 0 mm – 279 mm +/- 51 mm ( 0" - 11" +/- 2")
                        : Short range : 0 mm – 102 mm +/- 25 mm (0" - 4" +/- 1")
Minimum Bar Width       : 0.127 mm (5.0 mll)
Decode Capability       : Autodiscriminates all standard barcodes ; for
other symbologies call Metrologic:
System Interfaces       : RS232, Pckeyboard  wedge, USB
Print Contrast          : 35% minimum reflectance difference
Number Characters Read  : Up to 80 data characters (Maximum number will
vary based on symbology and density)
Roll, Pitch, Yaw        : 42°, 68°, 52°
Beeper Operation        : 7 tones or no beep
Indiocators (LED)       : Green = on, ready to scan; Red=good read; Yellow =
CodeGate™active (off); auto trigger mode (on)


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