the neckloop’s microphone or the handset’s microphone dependingon the neckloop’s features and the handset’s settings.– Hearing aids that are equipped with a telecoil (T-coil)– Audio neckloops with a 3-pole, 2.5 mm plug– Audio neckloops with a 3-pole, 3.5 mm plug*1*1 In this case, a 3-pole 3.5 mm to 3-pole 2.5 mm adaptor is required.To use with a T-coil-equipped hearing aid1 Set your hearing aid to the "T" setting.R Refer to your hearing aid’s operating instructions for details.2 Hold the handset near your hearing aid when talking.To use a neckloopWhen using a neckloop with the handset, you can speak using theneckloop’s microphone or using the handset’s microphone.Important:R You must set the headset type before use (page 30).1 Connect the neckloop to the headset jack on the side of thehandset.2 Use the handset as normal.R Refer to your neckloop’s operating instructions for details.R If your neckloop does not have a microphone, speak into the handset’s microphone.R You can use volume booster (page 24), speech booster (page 26), tone control(page 23), and other features even when using a neckloop.Setting the headset typeSet this setting to match the type of device connected. This featurecan be set for each unit.“Headset” (default): Disables the handset’s microphone. Theconnected headset is used for talking and listening.“Neckloop with Mic”: Disables the handset’s microphone. Theconnected neckloop is used for talking and listening.“Neckloop w/o Mic”: Enables the handset’s microphone. Theconnected neckloop is used for listening only.30 For assistance, please visit http://shop.panasonic.com/supportAccessibilityTGM420_450(en)_0426_ver031.pdf 30 2016/04/26 10:55:38