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電話 Amplicomms BigTel 49 PLUSのPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Amplicomms BigTel 49 PLUS 20 ページ。 Emergency telephone
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Telephoning
Increasing the receiver volume on +40 dB.
The receiver volume can be increased by pressing the left−hand side of
the loudspeaker key marked +40 dB
Ý
Tone control
The tone of the receiver can be adjusted using the corresponding slide
control on the right−hand side of the housing.
Tone adjustment is only possible when the receiver volume
+40 dB boost button is on.
Ringing volume
The ringing volume can be adjusted using the corresponding slide control
on the right−hand side of the housing.
Talk time display
The duration of a call is displayed in minutes and seconds during the call.
Handsfree
Use this function to listen to the caller via the loudspeaker.
Adjusting the handsfree volume
The handsfree volume can be adjusted using the corresponding slide con-
trol on the right−hand side of the housing.
10
Increasing the volume on + 40 dB
Adjust the tone using the slide control
Adjust the volume using the slide
control
Switch on handsfree mode
Deactivate handsfree mode
Adjust the volume using the slide
control