Palm Treo 700p User Manual page 297

Setting System Volume Levels
You can set the volume level for system sounds, such as the tone that plays when
you synchronize.
Tip:
1.
Go to Applications
2.
Select the Application pick list, and then select
System.
3.
Select the System Volume and Game Volume pick
lists, and then select the volume levels.
4.
Select Done.
Section 6B: Customizing Your Device
If the Ringer switch is set to the Sound Off position, the ringer setting
overrides the sound settings and all sounds are turned off.
and select Sounds .
285