Waveshare Barcode Scanner Module User Manual page 17

Barcode Scanner Module User Manual
No Interval
Image stabilization time
It is the time for module to stabilizing image if brightness changed is detected in
sensing mode. The range is 0~25.5s, and 0.4s by default.
100ms
1000ms
4. Command Mode
In command mode, scanner will begin scanning after receive the command from
MCU. (That is set bit0 to 1 on address 0x0002).
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500ms
1500ms
Command Mode
*1000ms
2000ms
*400ms
2000ms
Rev1.0 Date:180621