Audio Modes

The back panel of the Dolphin 7900 contains both a speaker and a microphone that you can use to send and receive audio signals over the GSM network. For details about the microphone and speaker on the back panel of the Dolphin 7900, see Back Panel Features on page 3-4.

There are three audio modes:

1.Handset

2.Headset

3.Speakerphone

Handset

Handset mode is when you use the use the back panel of the terminal just as you would a cell phone, holding the speaker to your ear to receive audio information and the your mouth over the microphone to send audio information.

This is the default audio mode.

Headset

Headset mode is when you plug a headset into the audio jack and speak into the microphone. You must use a 2.5mm plug; no other audio plug will fit.

Speakerphone

Use the microphone on the front panel (Microphone, page 3-3)as a speakerphone.

To switch the front panel to speakerphone, in the Dialler, tap Settings > Speakerphone. The audio levels adjust appropriately for speakerphone use. For more information, see Settings Menu on page 11-11.

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Dolphin® 7900 Series Mobile Computer User’s Guide

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Honeywell 7900 manual Audio Modes, Handset, Headset, Speakerphone