Using the Phone 5 - 3

Audio Modes
The MC75 offers three audio modes for use during phone calls:
Handset Mode: Switches audio to the speaker at the top front of the MC75, so you can use the M C75 as a
handset. This is the default mode.
Speaker Mode: Use the MC75 as if on speaker phone. Tap the Speaker On button to activate this mode.
Tap the Speaker Off button to switch back to handset mode.
Headset Mode: Connect a wired or Bluetooth headset to automatically switch audio to the headset.
The MC75 defaults to handset mode. When a wired headset is plugged into the MC75 a udio connector or a
Bluetooth headset is configured for use with the MC75, the earpiece and speak erphone are muted and audio is
heard through the headset.
Figure 5-3
Audio Modes

Using a Wired Headset

You can use a stereo headset for audio communication when using an audio-enabled application. To use a
headset, plug the headset jack into the audio connector on the side of the MC7 5. Set the MC75’s volume
appropriately before putting the headset on. Plugging a headset into the jack mu tes the speaker.
For the best audio performance, Motorola recommends a 2.5mm jack headset, see Accessories on page 1-3.
NOTE While using a Bluetooth headset during a call, the mobile computer will not go into suspend mode.
Headset ModeHandset Mode Speaker Mode