1 - 13Beeper and LED Sequences and Meaning - ST5770The ST5770 contains a beeper and two LEDs on the top of the unit (green andyellow) to indicate its power up, communication, and charge pack status. Thetables below list the indication and meaning of the beeps and LED illuminationscanner.ST5770 Scanner LED IndicationST5770 Scanner Beep IndicationSequence MeaningGreen LED on Trigger pulled, out of rangeGreen LED on, 2 seconds Successful decode and communicationGreen LED blinks, 2 seconds Successful decode with unsuccessful communication, orunsuccessful clear to scannerGreen LED on, 2 seconds Enter/exit programming mode, successful parameterchange in programming modeGreen LED blinks, 2 seconds Unsuccessful parameter change in programming modeYellow LED on Scanning, trigger pulled (in or out of range)Yellow LED blinks Low battery (trigger pulled)Sequence MeaningNo beep No scanning, scanning, or low battery (trigger pulled)1 beep Successful decode and communicationClicking, then1 beep Successful reassociationClicking only Unsuccessful reassociation2 beeps, clicks, then1 beep Successful association to base3 beeps - same pitch Unsuccessful association to base (10th scanner), out ofrange, or no network.3 beeps - 2 high and 1 lowpitchEnter/exit programming mode or successful association tobase. Successful or unsuccessful parameter change in pro-gramming mode.4 beeps - low, high, low,high pitchCommunication error: Successful decode with possibleunsuccessful communication to base. Check host to deter-mine if data arrived properly.
