PIN Code Request (Menu 9.6.2)
When the PIN code request feature is set to ‘On’, you must enter your PIN each time you switch the phone on. Consequently, any person who does not have your PIN cannot use your phone without your approval.
nNote
Before setting the PIN code request feature to Off, you must enter your PIN
The following [Options] are available:
]On: You must enter the PIN each time the phone is switched on.
]Off: The phone connects directly to the network when you switch it on.
Fixed Dial Number (Menu 9.6.3)
This allows you to restrict your outgoing calls to selected phone numbers, if this function is supported by your SmartChip. The PIN2 code is required.
The following [Options] are available:
]On: You can only call phone numbers stored in the Address Book. You must enter your PIN2.
]Off: You can call any number.
Settings 
nNote
Not all SmartChips have a PIN2. If your SmartChip does not, this menu option is not displayed.
Change Codes (Menu 9.6.4)
The Change codes feature allows you to change your current password to a new one. You must enter the current password before you can specify a new one.
You can change the access codes for: Security Code, PIN1, PIN2
nNote
PIN: Personal Identification Number.
PTT Key Lock (Menu 9.6.5)
This function is used to prevent a PPT call from being made accidentally with a press of the PPT key when is in your pocket or bag while it is being unused.
]On: When you are logged in to the PTT function, the message "Please press PTT key again" is displayed if you press the PTT key. Press the PTT key again within two (2) seconds to display the PTT contact list and make a call to a desired opposite.
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