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4. DETAILED DESCRIPTION OF
MAINTENANCE-MODE FUNCTIONS
4.1 EEPROM Parameter Initialization (Function code 01/91)
<Function>
The machine initializes the parameters, user switches, and firmware switches registered in
the EEPROM, to the initial values. Entering the function code 01 initializes all of the
EEPROM areas, but entering 91 does not initialize some areas, as listed below.
<Operating Procedure>
(1) Press the [0] and [1] keys (or the [9] and [1] keys according to your need) in this order in
the initial stage of the maintenance mode.
The "PARAMETER INIT" will appear on the LCD.
(2) Upon completion of parameter initialization, the machine returns to the initial stage of the
maintenance mode.
(3) Be sure to turn the machine power off. If you press the [9] key twice to exit from the
maintenance mode without turning the power off, then the machine will not fully initialize
the EEPROM.
Note:
• If you replace the main PCB with the one used for any other machine, carry out this
procedure and then customize the EEPROM (maintenance-mode function code 74
in Section 4.18).
Function code
Data item
01 91
Maintenance-mode functions
User switches
Firmware switches
Remote activation code
Station ID data
Outside line number
Telephone function registration
One-touch dialing
Speed dialing
Group dialing
All of these will
beinitialized.
These will be
initialized.
These will not
be initialized.
These will not
be initialized.