[. . . ] LED indicates the “LG Electronics”, and then “HBM-510”. LCD will be Off and enter the Power saving Mode after 20 seconds without pressing any key. Shut down Press and the Hold Power /call key for more than 5 seconds. [. . . ] LED indicates the “Voice Commend” With certain types of Bluetooth handsets, the user may need to press the Power/call Button twice. To activate Voice dialing, press the talk Button until it beeps twice. When the “call ended” is displayed in the LED, the call will be terminated. Disconnect Cancel the connection operating the phone menu to disconnect the Bluetooth. Volume Up and Down Press the Volume (+) Button to increase the speaker sound, and the Volume (-) Button to lower the sound. - The volume is made up to correspond with the volume level of the connected phone. Handsfree Profile Related Functions All functions in this section should premise that the Handsfree profile of the Headset connect to the phone. Incoming Call - On a phone, which supports the handsfree profile: Press the power/call key if you want to answer the call. Picking up a Call Press the Power/call button in the front of the Headset in the state of Ring Alerting to pick up a call. Making a Call If you make a call from the Handset, the call will (subject to phone settings) be automatically transferred to the Headset, If not automatically transfer the call manually by pressing the Power/call button. Terminating a Call Press the Power/call button when ringing with headset. Audio Transfer To transfer a call from the Headset to the HBM-500, press the Power/call button at least 2seconds while answering. To transfer a call back to the Headset, Just press the Power/call button again. Call Reject Press and hold the “Volume down” button when ringing. [. . . ] 21 Information to user The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. * IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna or the device is permitted. Any change to the antenna or the device could result in the device exceeding the RF exposure requirements and void user’s authority to operate the device. [. . . ]