User Guide for the VC400 Video Conferencing System10System component instructions of the VCP40 phone are:Item Description① LCD ScreenShows information about calls, messages, soft keys,time, date and other relevant data:• Call information—call duration• Icons (for example, )• Missed call information• Time and date② Soft Keys Label automatically to identity their context-sensitivefeatures.③ On-hook Key Rejects or ends a call or returns to the previous screen.④ Scrolls upwards through the displayed information.⑤ Enters list or answers incoming calls.⑥ Scrolls downwards through the displayed information.⑦ Keypad Generates the digits and special characters “.” “*” ”#”.⑧ Off-hook Key Initiates a call or answers a call.⑨ Presentation Key Enables or disables presentation.⑩ Mute Key Toggles the mute feature.⑪ Volume Key Adjusts the volume of the speakerphone and ringer.⑫ Microphone Picks up voice.⑬ LED Indicators Indicates phone and call statuses.⑭ Speakerphone Provides ringer and hands-free (speakerphone) audiooutput.⑮ MIC Port Connects a CPE80 expansion microphone to one of twoMIC ports.⑯ Security SlotAllows you to connect a universal security cable to lockdown your phone. The phone cannot be removed whenlocked.⑰ Audio Out PortConnects to the VCP40 phone using the 7.5m Ethernetcable labeled Audio in.Provides the power supply for the VCP40 phone.If your video conferencing room is large, you can add extra CPE80 expansionmicrophones to the MIC ports on the VCP40 video conferencing phone to expand theaudio range.Video conferencing phone has two MIC ports. Up to two expansion microphones can be