characteristics of the room.) During this time, soundmay cut out or fade in and out. This is normal.• Do not obstruct the unit during calls. Keep yourhands, as well as common objects such as folders,cups, and coffee pots away from the unit duringcalls.Important SafetyInstructionsWhen using this unit, basic safety precautions, includingthose below, should always be followed to reduce therisk of fire, electric shock and injury to persons.1. Do not use the unit near water, for example, near abathtub, wash bowl, kitchen sink, or laundry tub, ina wet basement, or near a swimming pool.2. Avoid using a wired telephone during an electricalstorm. There is a remote risk of electric shock fromlightning.3. Do not use the telephone in the vicinity of a gas leakto report the leak.SAVE THESE INSTRUCTIONSUnit OverviewMain ViewC BCG H I J GBBCEFABCDASpeakerBIndicators (4 locations)CBuilt-in Microphones (4 locations)DUSB Port (USB)ESD Memory Card SlotFAUDIO IN/OUT JackGExternal Wired MIC Jacks (EXT MIC1, EXT MIC2)HTelephone Jack (LINE)ILAN Port (LAN)JDC Input (DC IN)Front PanelABCD E GFH I J K LAButton (Speakerphone Button)BNavigator/Volume Button ([ ] and [ ])CButton (Mute/Clear Button)DFLASH ButtonEREDIAL/PAUSE ButtonFDisplayGFunction Buttons ([F1], [F2], and [F3])Press a function button to select the functiondisplayed directly above it. For example, in theillustration here, press [F3] to select(phonebook).HMIC NOISE CUT ButtonIBACK ButtonJMENU ButtonKENTER ButtonLPlayback Control ButtonsDocument Version 2008/10 Quick Reference Guide 3Quick Reference Guide