Honeywell International Inc. 950009 Manuale Utente

The back panel of the Dolphin 9500 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 9500, see 

There are three audio modes:

1. Handset

2. Headset

3. Hands-free (speakerphone)

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 mode is when you plug an audio plug into the audio jack and speak into the microphone. You must use a 2.5mm plug; 
not other audio plug will fit.

Hands-free mode is when you use the back panel of the Dolphin 9500 as a speakerphone. 

To switch the back panel to speakerphone, in the Dialler, tap Settings > Speakerphone. The audio levels adjust appropriately 
for speakerphone use. For more information, see