PLANET ICF-1600 - Manual (Page 42)

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You can also change volume setting in audio preferences menu:
Press “Main Menu” key to enter main menu, then use up / down key and OK key to go “Setting” ->
“Initial Setup” -> “Audio Preference”.
03:00 01/01/2008 PLANET 1101
Call Waiting
Cancel - + OK
03:00 01/01/2008 PLANET 1101
Í
Note
You can also adjust volume of handset, headset, or speakerphone
during a call
Audio Preference
Ring Tone
Handset Volume
Headset Volume
Speaker Volume
Audio Codec Priority
Exit Select Back
Headset Volume
0
Please select a setup item you wish to set, and then press “OK” key. You can adjust the volume by left /
right key, - / + key, or volume up / down key. Remember to press “OK” key to save change, or press
“Cancel” key to keep volume setting untouched.
Selecting Default Audio Codec
This phone supports G711A, G711U, and G729 audio codec. If you want to change the priority of audio
codec, please follow the following instructions:
1. Press ‘Main Menu’ key to enter main menu, then use up/down key and ok key to enter ‘Settings’ ->
‘Initial Setup’ -> ‘Audio Preference’, then select ‘Audio Codec Priority’.