Symbol Technologies DS 3408 User Manual

2-5

In addition to beep sequences, the digital scanner uses a two-color LED to indicate status. 

 defines LED colors that display 

during scanning.

Hi/Hi beeps

Enter another criterion or action, or scan the Save Rule bar code.

Hi/Lo/Hi/Lo beeps

Rule saved. Rule entry mode exited.

Hi/Lo/Lo beeps

All criteria or actions cleared for current rule, continue entering rule.

Low beep

Delete last saved rule. The current rule is left intact.

Lo/Hi/Hi beeps

All rules are deleted. 

Lo/Hi/Lo/Hi 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.)

Lo/Hi/Lo beeps

Cancel rule entry. Rule entry mode exited because of an error or the user asked to exit rule entry.

Lo/Hi 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.

4 short high beeps

Digital scanner has not completed initialization. Wait several seconds and scan again.

Short low/short medium/short high 
beep sequence after scanning a USB 
device type

Communication with the bus must be established before the digital scanner 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.

1 short high beep

A <BEL> character is received and Beep on <BEL> is enabled.

Off

No power is applied to the digital scanner, or the digital scanner is on and ready to scan.

Green

A bar code was successfully decoded.

Red

A data transmission error or digital scanner malfunction occurred.