Plantronics Calisto 7200 User Guide - Page 5

Daily Use Power When the device boots up, the Status Indicator will illuminate solid white for 2-3 seconds to complete boot-up. Then power-on tone will play, volume buttons illuminate and Status Indicator will turn off, signifying that the device is ready to use. Give the power button a short press to power on the device. Press and hold the power button for 2 seconds to power off the device. Volume Mute/Unmute Answer or End a call Low Battery Behavior The speakerphone automatically turns off after 10 minutes of inactivity, if not plugged into a power source. Press the up (+) or down (-) volume buttons for the desired volume. A short press of the Mute button mutes or unmutes the microphones. A short press of the Call button answers or ends a call. When the battery drops to 16% the power button will periodically pulse amber. The LED behavior is accompanied by an audible tone, unless the user is in a call. When the battery drops to 6%, the power button will display with more urgency. The LED will persistently pulse amber, with the tone only sounding intermittently. NOTE If the battery level is at 5% or lower at a power off state, the speakerphone will not respond to attempts to power it on unless plugged into a power source. 5