Appendix G: Wireless Wide Area Network (WWAN) Settings
Tools Menu
Psion Omnii Hand-Held Computer User Manual
G-12
G.1.4.5 Modem Information
The fields in this dialog box cannot be edited, they only display information about the computer’s modem. If
the network operator has not programmed a user’s phone number into his SIM, the Phone: field remains
empty. If the main menu shows an error status, at least partial modem information may be available.
Diagnostics and More
The Diagnostics screen may be useful when diagnosing network problems. The information presented here
is not needed for normal operation. The More button shows you some additional detail about your modem.
The following Diagnostics values are displayed:
• MCC Mobile Country Code (decimal value and, if available, decoded country name)
• MNC Mobile Network Code (decimal value and, if available, decoded network name)
• LAC Location Area Code (decimal and hexadecimal value)
• CID Cell Identifier (decimal and hexadecimal value)
• TA Timing Advance (decimal value and converted distance to base station in meters)
• BCCH Broadcast Control Channel (ARFCN or UARFCN value and converted frequency in MHz)
• BER Bit Error Rate
• RSSI Received Signal Strength Indication
• TCH Traffic Channel (ARFCN value and converted frequency in MHz)
• Batt Battery voltage as measured by the WWAN modem
• Temp WWAN modem Temperature
Note that TA, BER, and TCH are available only in GSM mode and only while there is an active connection
(e.g. a voice call). If the status in the main window shows “No network found” or “Searching for network”,
then typically only Batt and Te mp are available. For the status “Emergency calls only”, MCC, MNC, LAC, CID,
and BCCH may be available. For the GSM 1800MHz and GSM 1900MHz bands it may not be possible to
convert the ARFCN for BCCH and TCH to a frequency because the channel numbers overlap. This can be
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