User Guide

Basic setup and use
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13. Select Turn Off if Unregistered for check box.
14. Specify the time out period between 1 and 120 minutes.
The mobile device powers down if it is in standby mode and if the
mobile device unregisters from the WiFi network for longer than the
period you specify.
As an additional step to ensure maximum battery life, set the Activity
Timer to its highest value. For example, if the corporate NAT firewall
has an activity limit of 3 minutes and 10 seconds, set the Activity
Timer to 3 minutes. For more information about the MCC 3100 for
Windows Mobile Dual Mode firewall settings, see “Manual setup” on
page 101.
To avoid being disturbed by incoming calls while your mobile device
is switched off, turn the ringer off. For more information, see “Setting
the call alert mode and phone volume” on page 46.
Using your mobile device when you enable
WiFi Standby
To conserve power on your mobile device, turn it off (press the Power
button or allow the activity timer to expire). You can receive calls and
messages while the mobile device is off.
But if you enable the Turn Off if Unregistered option and the mobile
device is outside the WiFi range longer than the timeout period you
specify, you cannot receive calls and messages.
While your mobile device is off, the following actions occurs:
• The backlight is off.
• The device power state is standby.
• The wireless Local Area Network (LAN) power save mode is Best
Battery.
To resume normal operation, turn on your mobile device (press the Power
button or receive a call or message).
While your mobile device is on, the following actions occurs:
• The backlight is on.