Specifications

2 - 4 Symbol DS3478 Product Reference Guide
ADF Programming Error Indications
Low-high-low-high beeps Out of rule memory. Erase some existing rules, then try
to save rule again. (It is not necessary to re-enter the
current rule.)
Low-high-low beeps Cancel rule entry. Rule entry mode exited because of an
error or the user asked to exit rule entry.
Host Specific
USB only
Four short high beeps The digital scanner did not complete initialization. Wait
several seconds and scan again.
Short low-short medium-short high beep sequence
after scanning a USB device type
The digital scanner must establish communication with
the bus before it can operate at the highest power level.
Short low-short medium-short high beep sequence
occurs more than once
The USB bus can put the digital scanner in a state where
power to the digital scanner is cycled on and off more
than once. This is normal and usually happens when the
PC cold boots.
RS-232 only
Short high beep A <BEL> character is received and Beep on <BEL> is
enabled.
Low-high beeps Entry error, wrong bar code scanned. Re-enter criterion
or action. All previously entered criteria and actions are
retained. Criteria or action list is too long for a rule.
Table 2-1 Standard Beeper Definitions (Continued)
Beeper Sequence Indication