3 - 2 MT2070/MT2090 User Guide
High/low/high/low beeps Successful program exit with change in parameter setting.
Macro PDF (MPDF)
2 long low beeps
File ID error. A bar code not in the current MPDF sequence was scanned.
4 long low beeps Bad symbology. Scanned a 1D or 2D bar code in a MPDF sequence, a duplicate
MPDF label, a label in an incorrect order, or trying to transmit an empty or illegal
MPDF field.
Host Specific
USB only
4 short high beeps The device has not completed initialization. Wait several seconds and scan again.
Low/medium/high beeps
upon scanning a USB device
type
Communication with the bus must be established before the device can operate at
the highest power level.
Low/medium/high beeps
occur more than once.
The USB bus can put the device in a state where power to the device is cycled on
and off more than once. This is normal and usually happens when the PC cold
boots.
RS-232 only
1 short high beep A <BEL> character is received and Beep on <BEL> is enabled.
Table 3-1
Beeper Definitions (Continued)
Beeper Sequence Indication
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