Rockwell Automation 2755 2D Hand-Held Scanner User Manual
Page 47
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Operating the Scanner
3–9
Publication 2755-6.4
Beeper Indications During Communication
This Response
Indicates
4 Beeps (short high tone)
Communication error in the indication field.
4 Beeps (high / high / high / low tone)
Receive error.
3 Beeps (low / high / low tone)
ADF transmit error.
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