key, during a call. Once you are satisfied with the volume press OK. If
you would like to cancel the change to the volume press Back.
2. Decrease the speaker volume by pressing the lower volume control
key, during a call.
As you press the keys, you hear the new volume level. The bar graph on
the display indicates the volume level; the higher the graph, the louder the
volume.
Upper volume
control increases
speaker volume
Lower volume
control increases
speaker volume
Ringer Volume
The ringer volume may be adjusted with the Volume and Tones menu
located under the Setup menu.
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Iridium Extreme™ User Manual
Bar graph for
speaker volume
Volume
OK
Back
upper volume control key.
lower volume control key.