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Chapter 6: Settings
Tools Menu
232 Ikôn Rugged PDA (Windows Mobile 6.1) User Manual
If unauthorized access to the device is a concern, the Require PIN on resume checkbox
should be checked. In this case, you will be prompted whenever a PIN is required and the
PIN is not stored.
6.44.5.3 Network Configuration
In the main Wireless WAN screen:
• Tap on the Tools menu, and choose Network.
By default the GSM radio modem automatically chooses from the available and allowed
networks (allowed networks are the home network and all other networks with which the
home network has a roaming agreement). You may find there are some situations in which
you want to override this default behaviour. For example, you may want to disable roaming
if you find yourself in a border area where the home network is not available but a foreign
roaming partner is available. Abroad, you may find that an available network does not have
packet data roaming agreements. In this case, you’ll need to manually select the network
which you know to support packet data roaming.
Automatic network selection is enabled or disabled by checking or unchecking Enable auto-
matic network select in the Network dialog box. When automatic network selection is
disabled, you must select a network manually.
Available networks can also be viewed without changing any settings. Scanning for avail-
able networks is a lengthy operation – a progress bar is shown while the scan is active. For
every network that is found, the network name, country, status and numeric network identi-
fier (MCC/MNC, Mobile Country Code followed by the Mobile Network Code) is
displayed.
Note: Network configuration is not available with CDMA modems.
Note: Your home network operator will need to let you know which other networks have
roaming agreements. Even when a network is listed with an ‘Available’ status, it
does not necessarily follow that it can be used or that the roaming agreement cov-
ers packet data.
A status of ‘Forbidden’ indicates that the network cannot be used. If you choose a
network that is not covered by a roaming agreement, the status in the main WWAN
dialog box changes to ‘Emergency calls only’, ‘No network found’, ‘GPRS not
available’ or ‘GPRS not allowed’.