- 123 - © 2018 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS652 User’s Manual4.6.4 Setting Bar Codes Enable/DisableScan below bar code to enable / disable bar code setting.Enable* Disable4.6.5 Bluetooth ConfigScan below bar code to set up Bluetooth config.1. If MS652 is connected to a host, un-pair will not work.Please remove pairing or turn bluetooth off from the host side first &try again.2. If there is trouble to remove pairing on host device, turn off MS652 &try again. After pairing on host is removed, scan ‘BLE Un-Pair/Pair’for new pairing.3. If ‘Higher Level RF Signal Checking’ is selected, BLE communicationwill become more reliable but the distance will be shorter.BLE Un-Pair / Pair BLE Firmware UpdateNormal Level RFSignal Checking *Higher Level RF SignalChecking
