3 MbN: Select the desired setting. a MOKNR If you select “Custom tone”, select the desired type. a MOKNR The selected setting is shown on the handset display while talking.Base unit1 Press and hold MTONEN for about 2 seconds while talking.2 Press MjN or MkN repeatedly to select the desired setting.R The selected setting flashes on the message counter while talking.3 To exit, press MTONEN or wait for about 5 seconds.Note for handset and base unit:R The selected setting is applied immediately and is also used for future calls.R Depending on the condition and quality of your telephone line, this feature may emphasizeexisting line noise. If it becomes difficult to hear, reset to the default setting (Tone 2).Volume boosterThis feature allows you to drastically increase the volume of theother party’s voice. This feature can be set for each unit.WARNINGR This feature is designed for users who are hard of hearing. If other users use the phone, besure to turn this feature off.R Do not use this feature unnecessarily. High volume emitted from the product may causehearing damage.R Pressing the MBOOSTN key activates the volume booster feature. Use this key with care. At itsloudest setting (volume and volume booster features set to their highest settings), the productcan output sound at up to 40 dB. To prevent hearing damage, we recommend that you set thisproduct to the lowest volume setting at which you can hear adequately.Turning on the volume booster1 Press MBOOSTN while on a call.R The BOOST indicator lights in red.2 Press MjN or MkN on the side repeatedly to select the desiredvolume.R The selected volume setting is shown on the handset display while talking.R The selected volume setting is used for future calls when the booster is turned on.Note:R Noise reduction is automatically turned on when the booster is turned on. In this case, themenu that allows you to turn off noise reduction is not shown even after you press MMENUNwhile on a call.For assistance, please visit http://shop.panasonic.com/support 27AccessibilityTGM43x(en)_0426_ver031.pdf 27 2016/04/26 10:55:17