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The Menu
1. From the main menu, select Setup > Group Audio. 
2. The display shows the current audio setting. When set to 
Always Loud, the audio sounds from the speaker (high 
audio). When set to Speaker Control, the audio will sound 
from the earpiece or the speaker, per Speaker Control 
key use.
3. Select the required setting.
Setting Tones
From the main menu, select Setup > Tones.
This sub-menu allows you to activate/
deactivate the MTH800 tones.
For a detailed list of tones, see “Tones” on 
page 128.
Setting Keypad Tone
To activate/deactivate keypad tone at every key press:
1. From the main menu, select Setup > Tones > Keypad 
Tone.
2. Scroll through the settings (On/Off).
3. Choose required setting, and press 
Select, or press Back 
to exit.
Setting All Tones
To activate/deactivate all tones (keypad tone and other 
activity tones used in your MTH800):
1. From the main menu, select Setup > Tones > All Tones.
2. Scroll through the settings (On/Off).
3. Choose required setting, and press 
Select, or press Back 
to exit.
When all tones are disabled, your MTH800 switches into covert mode, and 
all audio is routed to the earpiece, instead of the speaker for low audio 
operation. Remember to disable this feature, when your covert operation is 
complete, to return your MTH800 to high audio operation.
Tones
All Tones
Talk Permit
Keypad Tone
Select  Back
Clear to send
6802972C35.book  Page 85  Monday, August 16, 2004  9:22 PM