User manual PLANTRONICS CALISTO P420

[. . . ] P420 USB Speakerphone TM User Guide Welcome Congratulations on purchasing your new Plantronics product. [. . . ] 6 Plantronics P420 USB Speakerphone 1 Package contents and features 1. 1 P420 USB speakerphone USB cable (mini B to A) Speakerphone 1. 2 P420 USB features Mute key Volume down Volume up 3. 5 mm stereo jack (for external speakers or headphones) USB port Plantronics P420 USB Speakerphone 4 2 Setup 2. 1 Connecting USB speakerphone to PC NOTE When the P420 is installed, it becomes the default audio device in your computer. You can set preferences manually in the Windows® operating system through the Sounds and Audio Devices option in the Control Panel. 1 Connect the USB cable to the USB port on the back of the speakerphone. 2 Connect the other end of the USB cable to the USB port on your computer. A blue light will illuminate through the buttons on the top of the unit indicating the speakerphone is powered on and operating. 2. 2 External speakers/headphones Connection The P420 is equipped with a 3. 5 mm stereo headphones/ external speaker connector. Connecting your computer's loudspeakers (or headphones) to the P420 will disable the P420 speakerphone's internal speaker. Your computer's audio (music, VoIP communication or any other) will be passed through to the external speakers, maintaining the same sound quality your computer can deliver. While the internal speaker is disabled when using this connection, the P420 speakerphone's internal microphone is still functional. Plantronics P420 USB Speakerphone 5 3 Using your P420 USB speakerphone Volume up, volume down and mute 1 Press the down arrow (left button) to decrease the speaker volume. 2 Press the up arrow (right button) to increase the speaker volume. NOTE A prolonged press of the volume buttons will increase or decrease the volume several levels until you stop pressing the button. The P420 will beep when a volume up button or volume down button is pressed and a series of beeps when a prolonged press is performed. [. . . ] Plantronics, the logo design, P420 and Sound Innovation are trademarks or registered trademarks of Plantronics, Inc. [. . . ]