USE AND FUNCTIONING 33.6 STATUS INDICATORS3.6.1 LED StatusThe Datalogic J Series™ provides three different LEDs signaling the PDA status.LED STATUSGeneral Purpose(left-side)Green/Red This LED is available to the applicationprogram.Bluetooth®(extreme right -side)Blue blinking It blinks when the Bluetooth® module ison.Green constant It is constant once the charging processhas been completed.Red blinking It blinks when the battery pack is runningdown.Red constant It is constant while charging.Green/Red They turn on alternatively whiledischarging.Charging Status(right side)Orange blinking It blinks when a charging error hasoccurred, for example when the externalpower is connected but no battery isinserted.37