21English |Bluetooth smartphoneSpeechQuality• Microphone Level: Adjust the microphonevolume• Echo Cancel Level: Adjusts the level of echocancellation.• Noise Reduction Level: Reduces the noisesgenerated by surrounding environmentwithout changing the microphone volume. Usethis setting when the voice of caller is not clear.× The Hands-Free popup screen is closed. Todisplay it again, touch [ ].Adjust the receiver volumeDNX8 DNX7 Press the <S> or <R> button.DNX6 DNX5 Turn the volume knob.Make a phone call1 Touch [Û].2 Select the device to use.3 See the table below for each operation method.Call by entering a phone number1) Touch [ ].2) Enter a phone number with number keys.3) Touch [Û].Call using call records1) Touch [ ].2) Select the phone number from the list.Call using the phonebook1) Touch [ ].2) Touch [ ].3) Select the initial to sort the list in the alphabetical order.4) Select the name from the list.5) Select the number from the list.Call using the preset number1) Touch [ ].2) Touch the Name or phone number.Call by voiceYou can make a voice call using the voice recognitionfunction of the cell-phone.1) Touch [ ].2) Pronounce the name registered in the cell-phone.Ñ Phone number presetYou can register frequently used phone numbers to thisunit.1) Touch [ ].2) Touch [Edit].3) Select where to preset.4) Select how to preset.• [Add number from phonebook]:Select the number to preset by referring to “Call usingthe phonebook”.• [Add number direct]:Enter the telephone number directly and touch [SET].✎ NOTE• For detailed operation, see Using Hands-Free Unit (P.72)in the Instruction Manual.