Matrix
SIMADO GFX11 System Manual
65
of network registration retry timer, it starts again the process of
network selection.
• User should know the inter network call charges while
programming priority network operator codes, for manual mode
operation.
• Network operator code, consists of MCC and MNC. MCC is
Mobile Country Code, which identifies a country. For a country,
there can be more than one MCC. It is generally of 3 digits. For
e.g. for India, MCC is 404, which is same for all networks in India.
MNC is Mobile Network Code, which is same for all network
operators in India. But it is different in each state for the same
network operator. For e.g. Airtel-Gujarat, MNC is ‘98’ and Airtel
Maharastra, MNC is ‘90’. Thus, MCC-MNC combination uniquely
identifies the home network of the mobile terminal. For example,
MCC for other countries are as shown below:
• USA : 310
• Canada : 302
• Australia : 505
• Italy : 222
How to program?
Step 1: To select network selection mode manual or automatic
using command 331.
Step 2: To program network operator’s code with priority using
command 332.
Step 3: To select GSM Frequency Band using command 333.
Step 1
Use the following command to program network selection mode for
the GSM port:
331-Network Selection Mode-#*
Where,
Mode Meaning
1 Automatic
2 Manual
By default, Network Selection Mode is 1.
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