Useful Features AvailableDuring a CallMuteYou can mute your voice during a conversation. Whilethe mute is turned on, you will be able to hear the otherparty, but the other party will not be able to hear you.To mute your voice, press [ ]. To return to theconversation, press [ ] again.Note• While the mute is turned on, "Mute" is displayedand the indicators light in red.• All built-in microphones and each ExternalWired MIC are muted when the mute is turnedon.FlashPressing [FLASH/R] allows you to use optionaltelephone company services, such as call waiting, orPBX features, such as extension transfers.Note• To change the flash time, see page 55.• This feature is not available for IP calls.Speech Speed ConversionYou can adjust the speed of the other party's speechdown during a call by pressingSPEED .The following speech speed modes are available.– Talking Mode (slight speed reduction)Recommended for calls in which you and the otherparty are equally participating in the conversation.– Listening Mode (greater speed reduction)Recommended for calls in which the other party isspeaking more, and you are listening.You can select the desired mode by pressingSPEEDduring a call. Each time the button is pressed, thesetting changes and is shown briefly on the display.Conversion ModeTalking Mode¯Conversion ModeListening Mode¯Conversion ModeOffNote• "Slow" is shown on the display while thisfeature is active.• If the other party speaks for more than 5seconds without stopping, this feature will stopfunctioning. Once the other party stops talkingfor about 1 second, this feature will functionagain.• When this feature is turned off, the otherparty’s speech may cut out briefly.Mic Noise ReductionYou can press the [MIC NOISE CUT/ ] buttonduring a call to reduce the ambient noise that is pickedup by the microphones and sent to the other party.Each time the button is pressed, the setting changesand is shown briefly on the display.Mic Noise CutHigh¯Mic Noise CutLow¯Mic Noise CutOffNote• "Noise Cut ON" is shown on the display whilethis feature is active.• The quality of the sound heard by the otherparty may decrease slightly while this feature isactive, due to surrounding noise.Document Version 2010/02 Operating Instructions 37Making and Answering Calls