Getting Started331. Open the battery cover on the back of the remote control.2. Insert the batteries in the correct polarity.3. Install the battery cover.NoteConnecting the CPE80 Expansion MicrophoneIf your video conferencing room is large, you can add a CPE80 expansion microphoneto the MIC port on the VCP40 phone to expand the audio range of the conferencephone. VCP40 phone has two MIC ports, so you can connect a CPE80 expansionmicrophone to one of the ports according to the location of the speaker.CPE80 is a directional microphone. Its coverage range is 60 degree. Ensure the speakerfaces to the expansion microphone.Powering the System On and OffNoteDispose waste batteries properly.Remove the batteries if they are not in use for a long period of time.Caution! In order to avoid corrupting the system, you should always power off the systemusing the power button on the codec. After turning the power off in this way, wait atleast 15 seconds before you unplug the system from its power source. This helps ensurethat the system powers off correctly.