- 12 - © 2018 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS652 User’s Manual1.7 LED Indicator / Beeper SequenceAction/Status LED Status Beep / SoundBattery charging Red LED onBattery Low < 20% Red LED blinking every 2 secondsBattery Low < 10% Red LED blinking fastError occurred Red LED toggling every second for10 seconds or until scan buttonpressedBLE disconnected to host Green LED onGood read Green LED flashing onceScanner in PresentationModeGreen LED blinking every 2secondsSystem busy with datascanning disabled Green LED toggling every secondBLE connected to host &BLE ready to send data Blue LED onBLE connected to host &BLE RF signal too weak tosend dataBlue LED blinking fastBLE in pairing mode Blue LED toggling every secondUSB drive connected White LED (Red + Green + Blue)toggling every secondPower OnBeep once: Auto ModeBeep twice: Wedge ModeBeep 3 times: Batch Mode
