R is not shown if the noise reduction feature was turned off before you turned on thevolume booster.R If the auto boost feature is turned on (page 28), volume booster turns on automatically whenyou make or answer a call. If the auto boost feature is turned off, volume booster turns offautomatically at the end of each call.Turning on auto boostIf the auto boost feature is turned on, volume booster turns onautomatically when you make or answer a call. This feature isuseful if the unit is used mainly by a user who is hard of hearing.1 MMENUN#7822 MbN: Select the desired setting. a MSAVEN a MOFFNR If the volume booster is turned on, the BOOST indicator lights in red during a call.Note:R While on a call, you can temporarily turn the volume booster off by pressing MBOOSTN, andadjust the volume by pressing MjN or MkN on the side repeatedly.Adjusting the volumeWhile on a call, you can adjust the volume by pressing MjN or MkNon the side repeatedly.R The selected volume setting is shown on the handset display.R The selected volume setting is applied immediately and is also used for future calls. Aseparate setting is used for when volume booster is on and when it is off.Available volume settingsThe available settings vary whether volume booster is turned on oroff.BOOST indicator Volume booster Available volume settings DefaultLight off Turned off Receiver: 1–15 15Speakerphone: 1–21 15Headset: 1–15 15Light in red Turned on Receiver: 12–40 15Speakerphone: 18–30 21Headset: 12–40 1528 For assistance, please visit http://shop.panasonic.com/supportAccessibilityTGM43x(en)_0426_ver031.pdf 28 2016/04/26 10:55:17