Technophone 901   (170-1015)   Security Menu

The Security Menu allows you to access the following secure functions:

    D0  Display Own Serial Number

    D1  Display/Select NAM

    D2  Call Restrictions

    D3  Incoming Call Bar

    D4  Change PIN

    D5  Erase Whole Memory

    D6  Memory Lock

    D7  Service Mode

    D8  SID System Identification

To access the Security Menu from the normal display, press MU MU MU MU and
enter your 4-digit PIN.

The descriptions for functions D0 to D8 assume that you have accessed them
directly from the normal display.


Displays the Electronic Serial Number (ESN) of your telephone, in decimal
or hexadecimal form.

HEX              Press MU MU MU MU 4-digit PIN 0OPR to access the function.

                 To select other option ('DEC'/'HEX'): press MU.

                 Press END to exit.


Your telephone can be programmed (by your dealer) with up to three
telephone numbers, to permit use on different cellular systems.

The telephone number and identifying name of each system is stored in a
Number Assignment Module (NAM).

Programmed NAMs can be displayed and selected.

NYC 516          Press MU MU MU MU 4-digit PIN 102 to access the function,
456 7890         and display the first NAM.

                 To scroll the NAMs press MU.

                 Press END to exit.


Prevents specific types of calls.

Selects any one of the following options:

    Displayed Message      Option

    'ALL CALLS'            All calls allowed.

    'OUTGOING BLOCKED      Restriction to incoming calls only.

    'MEM ONLY ENABLED'     Restriction to calls from numbers stored in
                           memory locations 1 to 20 only.

    'INTERNAT RESTRICT'    Restriction to national calls only.

    'LOCAL ONLY ON'        Restriction to local calls only.

    'SYST ID nnnnn'        Restriction to calls in the Home System of the
                           currently-selected NAM only.

    '911' emergency calls can always be made, regardless of option

ALL          Press MU MU MU MU 4-digit PIN 2ABC to access the function,
CALLS        and display current status.

             To select another option (see list above): press MU.  Note
             that if incoming calls are barred, then 'OUTGOING BLOCKED' is
             not offered as an option.

             Press END to exit.


Prevents the telephone from receiving any calls, forcing it to be used for
outgoing calls only.

INCOMING     Press MU MU MU MU 4-digit PIN 3DEF to access the function and
OPEN         display current status.

             To select other option ('INCOMING OPEN' / 'INCOMING BARRED')
             press MU.  Note that if outgoing calls are blocked, then
             'INCOMING BARRED' is not offered as an option.

             Press END to exit.


 Allows you to change the 4-digit PIN to a number of your choice.
(Remember to keep a note of your PIN.)

    On a new phone, the PIN is set (factory preset) to 0000.

    The PIN is intended to help prevent unauthorized access to certain

Press MU MU MU MU 4-digit PIN 4GHI to access the function.

To Change the PIN:

    Press MU.  The message 'ENTER PIN CODE' is displayed.

    Enter your new 4-digit PIN.  For added security, the  numbers are not

New PIN Accepted

    Press MU.

    Press END to exit.


    Permanently deletes contents of all memory locations.

CAUTION:  Once deleted, the contents cannot be recalled.


Press MU MU MU MU 4-digit PIN 5 JKL to access the function.

To erase the contents:

Press MU and the message 'CONFIRM?'is displayed.

CONFIRM?      - Press MU to erase all memory locations; each memory
                location number is displayed in sequence and erased or

MEMORIES      - Press CLR to exit from the function without erasing any
ERASED          memory location contents.

                Press END to exit.


Protects contents of all locked memory locations (i.e. those containing a
name beginning with the * character) from unauthorized recall.

MEMORY        Press MU, MU, MU, MU, 4-digit PIN 6MNO to access the
LOCK ON       function, and display current status.

              To switch lock on/off press MU.

              Press END to exit.


Displays technical information.

SERVICE          Press MU, MU, MU, MU, 4-digit PIN 7PRS to access the
MODE OFF         function.

V 01. 10A
V 01. 10H

    The software versions are displayed briefly.  (The actual numbers
    displayed for your telephone will differ from the example illustrated
    below).  The service status will then be displayed.

Service Status:  If not in a call        If in a call

To exit service  Press MU, MU, MU, MU, 4-digit PIN 7PRS.

MODE ON          Press MU.

SERVICE          Press END to exit.

    Switching the telephone off automatically cancels Service Mode.

SID System       Only in models where this feature is available.


System identity (SID) information can be programmed into the telephone by
your dealer.  The identities of specific systems, associated with NAMs 1
and 2 (only) can be programmed as friendly or unfriendly.  (All
other available systems will remain undesignated.)

If SID is set to 'ON' (using this menu function), and if NAM 1 or 2 is

    When the telephone is attempting to find a service it will
    automatically select the four strongest received signals; it will then
    choose the strongest (or only) friendly signal (or undesignated signal,
    if a friendly signal cannot be found), and select the associated
    system.  If all four signals are unfriendly, the telephone will not
    find service.

SID ON           Press MU, MU, MU, MU, 4-digit PIN 8TUV to access the

                 To select 'SID OFF'/'SID ON' press MU.

                 Press END to exit.

    Set function to 'ON' when you specifically require the SID facility to
    operate.  (If SID is 'ON', and only unfriendly systems can be found, it
    will not be possible to make or receive calls.)

    For information on NAMs, refer to 'Display/Select NAM' (D1).