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FIRMWARE UPDATING
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8.2.2 System ROM
The firmware of the system ROM can be updated individually by using WA-DWNLD-350-JIG2.
• Be sure to shut down the equipment before installing and removing the download jig.
• Do not shut down the equipment during the update. The data could be damaged and not be
able to be operated properly.
[A] Update procedure
(1) Write the ROM data to be updated to the download jig (PWA-DWNLD-350-JIG2).
(2) Press the [ON/OFF] button on the control panel to shut down the equipment.
(3) Take off the cover plate.
Fig. 8-18
(4) Connect the download jig with the jig connector (CN101) on the SYS board.
Fig. 8-19
(5) Press the [ON/OFF] button while simultaneously holding down the [8] and [9] buttons.
(6) Select the item with the digital keys.
“*” is displayed next to the selected item. Display or delete the “*” by pressing the number of the
item. All items are selected in the default settings.
Cover plate
Download jig
Connector
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