TIP: You can edit the owner information directly from the Today screen. To enable the editing function, you need to select the Owner Information check box when you customize the Today screen. For more information, see The Today screen on page 13.
Specify the display formats for number, currency, time, and date in regional settings.
To change the regional settings:
1.Tap Start > Settings > System > Regional Settings.2.Tap the different tabs and edit the required settings.
3.Tap ok.
TIP: Changing the Region automatically changes the related settings. If you want to, you can further customize them after that.
NOTE: Selecting another language, if one is available in regional settings, might result in loss of personal data and settings.
Adjust the HP iPAQ sound volume. Increase or decrease the ringer volume and the clicking sound you hear when you select program names and menu options.
To adjust the volume:
1.Tap the 
(Speaker) icon at the top of the screen.
2.Move the system volume slider on the screen using the stylus or the Volume up/down key of your HP iPAQ to establish the volume level.
3.To mute system sounds, tap Off.
TIP: To temporarily mute the system sounds, press the Volume up/down button on the side panel of the device once.
You can also set a specific sound for a specific event.
To set sounds:
1.Tap Start > Settings > Personal > Sounds & Notifications.2.On the Sounds tab, choose how you want to be notified by selecting the appropriate check boxes.
3.On the Notifications tab, in the Event list, tap an event name, and then choose how you want to be notified by selecting the appropriate check boxes. You can choose from several options, such as a special sound, a message, or a flashing light.
NOTE: Turning off sounds and the LED notification helps conserve battery power.
Change the ring tone and system sounds for incoming calls, alerts, and message notification.
To change ring tone and ring type:
1.Press the 
(Answer/Send) key.
Customize your HP iPAQ 21