3 - 2 TC70x/TC75x User Guide for Android Version 6.0.1
Using a Bluetooth Headset
Use a Bluetooth headset for audio communication when using an audio-enabled application. See Bluetooth on
page 6-10 for information on connecting a Bluetooth headset to the device. Set the volume appropriately before
putting on the headset. When a Bluetooth headset is connected, the speakerphone is muted.
Using a Wired Headset
Use a wired headset and Audio Adapter for audio communication when using an audio-enabled application. Set
the volume appropriately before putting on the headset. When a wired headset is connected, the speakerphone is
muted.
To end a call using the wired headset, press and hold the headset button until the call ends.
Figure 3-1 3.5 mm Headset Adapter
Adjusting Audio Volume
Use the Volume buttons to adjust the volume of the ringer when not in a call and the audio volume when in a call.
NOTE Adjust the conversation phone volume during a call. Adjusting the volume while not in a call affects the
ring and notification sound levels.
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