2524To mute the microphone during a callYou can mute the microphone during conversation byselecting the Mute option from the In-Use menu.WhenMute is active,“MUTE”displays.The phone resets this con-dition to the default (Un)Mute setting at the end of yourcall.To mute the microphone during a call:1. During a conversation,press to display the In-Usemenu.2. Press (or ) to mute the microphone.You willhear the other party’s conversation, but they will nothear your conversation.“MUTE”displays on the screen.3. To “unmute”the microphone during the same conversa-tion, repeat steps 1 and 2. Selecting the (Un)Mute optiontoggles Mute on and off.Where you can use your phoneYour Samsung PCS Phone can used it to make and receivecalls in many places.In any city where your service provider provides PCSservice.On other CDMA networks where your serviceprovider has implemented roaming agreements.(SPH-N100 only*) On other conventinal analog cellularnetwork where your service provider provides analogservice or has implemented roaming agreement.When you use your phone outside your service provider’sPCS Network,it’s called roaming.* SPH-N100 is dual-band.Adjusting voice volumeYou can adjust the earpiece volume during a callusing the volume keys on the side of your phone.Briefly press the appropriate volume key to increaseor decrease the volume.Adjusting ring volumeFrom Standby mode you can quickly adjust the volume ofthe ringer by pressing the volume keys on the side of thephone.You can also change the settings for your phone’sring volume from the Main menu (see “Ringer options” onpage 45).Silencing (or muting) the ringer during anincoming callWhen the phone is open and ringing,press tosilence the ringer.When the phone is closed andringing,press the volume keys to quickly silence theringer. (When the Any Key Answer option is notselected in the Main menu.)You can also set the ringer to remain off. From Standbymode,press the down volume key until “Ring Volume Off”is displayed, or use the Main menu (see “Ringer type settingfor voice calls” on page 45).