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7.5 Network
When your mobile phone is roaming abroad, you need to select the network for it to connect
the international GSM network. Generally, you can select the network mode of auto select (see
below), or you also can select to search the available network automatically or manually (see
below) . If you attempt to connect a network which does not have the valid roaming agreement you
local network , the mobile phone will prompt" "Network connection failed".
7.5.1
Preferred network
To display the name and ID of current network.
7.5.2
Select mode
Auto select: Your mobile phone will search the original network first, and then search
through the network list in SIM card. If there is no available network, any network which has the
valid roaming agreement with your local network will be connected.
Manual select: Your mobile phone will scan for available network and provide you with the
list of current network. You can select the preferred network, and the phone will prompt such
information as successful or failed during the connection with network.
7.6 Security
The menu of "Security" includes the following settings: SIM password, Call barring.
7.6.1
SIM password
"SIM password" is to the SIM password on/off and the change of PIN code.
：
PIN lock
to enable PIN code of SIM card. When it is on, you must enter PIN code to power
on or you are only allowed to make 112 emergency calls, and the menu changes to off after the
setting; to disable PIN code of SIM card. When it is off, you do not need to enter PIN code to
power on, and the menu changes to on after the setting;
：
Change PIN
to change PIN code and set it your accustomed code number. Please notice the
change must be set under the case that PIN code is on.
Note: PIN code is relative with SIM card and it is the operational password of SIM card.
7.6.2
Call barring
The network operators will provide you with a 4-digit password to enable or disable this
function.
Incoming calls:
• When roaming: Reject all incoming calls when roaming.
• All incoming: Reject all incoming calls.
Outgoing calls:
• International: All outgoing international calls cannot be dialed out;
• Local calls: Only local calls can be dialed out;
Z1700 User manual
第 35 页
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