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Using the Volume Buttons
Press the volume buttons to increase or decrease the volume of the GKT loudspeaker and handset.
The volume buttons can also be used to scroll among items within certain Coral features (such as Reminder,
Wakeup, and some Attendant features) while these features are displayed on the system lines.
While the volume is being changed, the system lines describe the volume incrementation.
Speaker and Music volume levels range from a MIN unit value of 0 to a MAX unit value of 15 (24dB range).
The Handset volume level ranges from a MIN unit value of 0 to a MAX unit value of 7 (12dB range).
The Speaker, Background Music and Handset each has its own audio level and is independently influenced by
volume buttons as follows:
Speaker: When conversing through the speaker, voice volume can be adjusted. Volume of call monitoring, paging,
etc. can also be adjusted.
Speakerphone: When conversing hands-free, the built in sensitive microphone is used to amplify your voice. The
system operates in such a way that the two connecting parties (i.e. you and the far side) cannot be heard
simultaneously; the stronger party is heard.
Press Volume Up to hear the far side more strongly, press Volume Down to be heard more easily (or to
break in).
Background Music: When in idle, and background music is turned on, music volume can be adjusted.
Handset: When conversing through the handset or headset, receiver volume can be adjusted.
Volume Buttons