3 - 2 TC75 User Guide
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.
Lift the headset cover and insert the headset plug.
To end a call using the wired headset, press and hold the headset button until the call ends.
Figure 3-1 Insert Wired Headset Plug (2.5 mm Adapter Shown)
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.
Making a Call Using the Dialer
Use the dialer tab to dial phone numbers.
1. On the Home screen touch .
2. Touch .
NOTE Adjust the conversation phone volume during a call. Adjusting the volume while not in a call affects the
ring and notification sound levels.