3.5mmWirelessHeadset(CS50-R)Jack*NSQ412 Four-Line Caller IDTelephone Owner’s Manual 6Key and Indicator DescriptionsThe following drawings provide identification and brief descriptions of the base controls, keys anCradle LCD Display Navigation keys Caller keyHook Switch Ring LEDSpeed Dial KeysHandset Guide MSGWait/NewCID LEDSpeed Dial index CID List keySpeaker Grille Volume and keysPause key Directory keyHeadset jack (on side) Conf keyHandset jack (on side) Flash keyPage key Release key(Auto)Redial key Remove keyIntercom key Save keyDND key Program keyMute key Line keysDial keys Jog knob/Dial keySpeaker key Hold/Transfer key Headset key Microphone (on bottom-side)NEWFEATURE!2.5mm StandardHeadset Jack (on side)* Note: When using the Plantronics CS50-R Wireless Headset, pleaserefer to the CS50-R Owner’s Manual for complete operation instruction.