Confidential
5-3
1.4 Detailed Description of Maintenance-mode Functions
1.4.1 EEPROM Parameter Initialization (Function code 01, 91)
<Function>
The machine initializes the parameter, user switches, worker switches and assurance mode
switch settings registered in the EEPROM, to the initial values. Entering function code 01
initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as
listed below.
Function code
Data item
01 91
Maintenance-mode functions
User switches
Worker switch (Refer to Appendix 1.)
These will be initialized.
Remote activation code
Registered message for cover page
comment
Forwarding / paging number, PIN
number
Outside line number
Telephone function registration
One-touch dialing
Speed dialing
Group dialing
All of these will be
initialized.
These will not be
initialized.
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 1.4.20).
<Operating Procedure>
(1) Press the 0 and 1 buttons (or the 9 and 1 buttons 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 beeps for one second and
returns to the initial stage of the maintenance mode.
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