PDP-4271HD
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9.3.15 SETTING FOR FACTORY MODE PERMISSION / PROHIBITION [FAY /FAN]
9.3.16
BACKUP FUNCTION FOR ADJUSTMENT VALUE FOR THE MAIN UNIT [FAJ /UAJ /CBU /
BCP]
The commands FAY/FAN are for prohibiting/permitting panel-adjustment commands.
Command
Format
Operation
Remarks
Effective Operation
Modes
Control
[FAY]
Normal operation mode
while the power is on
Adjust command is valid.
Mask indications will be forcibly turned off.
[FAN]
During FAY
Adjust command is invalid.
Command
Format
Operation
Remarks
Effective
Operation Modes
Control
[FAJ]
During FAY
To make the flag setting that
indicating that adjustment of the
panel unit has been completed
Writing 00 to the 4 k byte ROM and
copying to the 2 k byte ROM
This takes at least 350 ms.
[UAJ]
To make the flag setting that
indicating that adjustment of the
main unit has not been completed
Writing F0 to the 4 k byte ROM
[CBU]
To make the flag setting that
indicating that backup data
have not been copied
Writing F0 to the 2 k byte ROM
The backup ROM is
initialized.
[BCP]
To copy Digital backup data
to EEPROM
Copying backup data
When the DIGITAL Assy is to be replaced, adjustment values can be copied from the backup EEPROM to the EEPROM
of the Assy for service.
Содержание PDP-4270HD
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