NCR RealScan 7837-3000 - Maintenance and Troubleshooting; Scanner Cleaning Procedures; Base Troubleshooting Guide; Scanner Troubleshooting Guide

1-10 Chapter 1: Getting Started
Beeper and LED s a ir M
oftheunittoindicateitspowerup,
s.Simplystated,redLED=error;
and T
ca
Sequence nd The eaning
The7837containsLEDsonthetop
communication,andbatterystatu
greenLED=successofanytype.Theunit’saudibleindicatorshave
meaningaswell:3beeps=error;2 beeps=menuchange;1beep
=all
othersuccesses.
ThetablebelowliststheindicationandcauseoftheLEDillumination
andbeepsforthe7837.
7837 LED Sequences heir Meaning
LEDIndication
Beeper
Indi

tion
Cause
NormalOperation
RedFlash None Batterylow
GreenFlash 1beep nor
linking
Successfulcommunicatio
Red,blinking 3beeps Failedcommunication
MenuOperation
GreenFlash 2beeps Successfulme nuchange
Red,blinking 3beeps Unsuccessfulmenuchange
Base LED Sequences and Their Meaning
ThebasecontainsaredLEDthatindicatesthestatusoftheunitand
verifiesitscommunicationwiththehostsystemandagreenLEDthat
indicatesscannerbatterychargecondition.