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Turn power on.
Press and hold the [1] and [3] keys and press reset button.
(Enter the system in the test mode.)
Press [B.BOOST] key. (ROM data System enters data
transfer mode.)
Press
(or
.) (Select READ)
[
]
[
]
Press
[
]
key for 1 second or longer. (Data transfer)
e
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
In case of [2]
READ OK
In case of [1] or [3]
READ OK2
Press
[
]
key. (Exit ROM data transfer mode.)
Turn power off.
Remove front-end (A1).
r
Mother unit (X34-)
FRONT-
END (A1)
ROM DATA TRANSFER PROCESSES
E2PROM
R-OK
R-O2
E2PROM
X34-59xx-xx
Install new front-end (A1).
No ROM correction or other data status.
t
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
Turn power on.
Press and hold the [1] and [3] keys and press reset button.
(Enter the system in the test mode.)
Press [B.BOOST] key. (Start transferring ROM data.)
Press
[
]
(or
[
]
.) (Select WRT)
Press
key for 1 second or longer. (Data transfer)
[
]
y
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
In case of [2] or [3]
WRT OK
In case of [1]
WRT OK2
Press
key. (Exit ROM data transfer mode.)
[
]
E2PROM
E2PROM
W-OK
W-O2
23
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