Aastra Dialog 4223 Dialog 4223 Professional/4225 Vision for MX-ONE (TSE), user - Page 100
PhoneSet, Select, Change, Extra amplification of the handset/headset hearing volume level
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Settings Extra amplification of the handset/headset hearing volume level For people with impaired hearing, the handset hearing volume level can be extra amplified. To adjust the level: Note: A level change also effects a headset connected to the headset outlet. PhoneSet Select Down or Up Select Change Exit Dialog 4223 Professional: Press (see display). If PhoneSet is not shown, press more... until it appears. Press (see display). Press to frame Set Hearing Level (see display). Press (see display). A tone signal is heard, and the display shows the current setting. The Line 1 key lamp also indicates the current setting; key lamp off=standard level, key lamp on=increased level. Press to adjust the volume level (see display). The display shows the new setting. The Line 1 key lamp also indicates the new setting as described above. Press to finish setting (see display). When extra amplification has been selected, the Line 1 key lamp turns off. 100 Dialog 4223 Professional/Dialog 4225 Vision