28 CHAPTER 2: 3COM 3106C AND 3107C CORDLESS TELEPHONESHandset ControlsEarpiece Volume1 Press the RING/VOL (3106C) button or the R/VOL (3107C) button onthe side of the handset during a call to change the earpiece volume onthe handset.The phone’s display panel cycles through these possible settings:■ Volume Low■ Volume Medium■ Volume High■ Volume Maximum2 Stop pressing the RING/VOL (3106C) button or the R/VOL (3107C)button when the handset reaches the desired volume.Handset Ringer ON/OFF SwitchUse the ON/OFF MUTE (3106C) switch or the ON/OFF (3107C) switchon the side of the handset to turn the handset ringer on or off.■ When the ringer is off, the Off icon appears on the display panel.■ When the ringer is on, the Off icon disappears.3Com 3106C 3Com 3107CRING/VOLON/OFFMUTER/VOLMUTEOFFON