Section 648 Adjusting VolumeChanging Ringer VolumeTo change the ringer volume, use the volume keys on theside of your phone when the phone is in standby mode.To change the ringer volume from the Main Menu:1. Press for Menu options.2. Press for Setup/Tool.3. Press for Sounds.4. Press for Ringer Volume.5. Press for Calls.6. Use the toggle to select Off/Vibrate/1-Beep/Low/Med/High/High + Vib, and press .Silencing the RingerTo silence the ringer on incoming calls:1. When the phone rings, press a volume key, , orthe key, press to answer the call.Adjusting Volume During a ConversationWhen you need to regulate the volume during aconversation, use the volume keys on the side of your phoneto adjust the sound.Muting a CallThere are times when it’s necessary to mute a call so thatyour caller does not hear you or certain background noise.To mute a call, press and hold for 2 seconds. To(un)mute a call, press and hold for 2 seconds.To Mute a call from the Main Menu:1. Press for Menu options, highlight (Un)Mute.2. Press either or . When the phone is muted, “Mute” displays.To (Un)Mute a call:1. Press for Menu options.2. Highlight (Un)Mute, and press or . When the phone is (Un)Muted, “(Un)Mute” displays.