AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 13)

13 DT412/DT422/DT432
Description
11 Alarm key (DT422 and DT432 only)
Sending alarms and testing the Alarm function. See section “ Alarm ”
on page 91.
12 Loudspeakers
One loudspeaker for ring signal and one for Loudspeaking. See
section “ Handsfree ” on page 57.
Please note: The phone may retain small magnetic
articles around the earpiece region.
13 Charging connector
See section “ Installation ” on page 116.
14 Headset connector
See section “ Headset ” on page 125.