Motorola LS4208 用户手册

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页码 360
Scanner Emulation Interface 10 - 11
Leading Margin (continued)
Check For Decode LED
The attached decoder normally asserts the Decode line to signal to the Scanner Emulation host that it successfully 
decoded the transmitted bar code. Some decoders, however, do not assert the Decode signal. In this case, the 
scanner emits transmit error beeps to indicate that the bar code was not successfully transmitted. Scan the Ignore 
Decode LED
 bar code to disable the Transmit Error beeps.
5 ms Leading Margin
10 ms Leading Margin
*Check For Decode LED
Ignore Decode LED