Service manual
3-3
2. SYSTEM S/W UP-DATE & DIAGNOSTIC S/W
• System S/W Up-date
1) Connect the serial cable between the connector for a service and the serial port of PC, and run TeraTerm
Program on the PC.
2) Switch to System Code Up-data mode by press select key and left Volume(
F
) key together at the front.
3) TeraTerm screen
- “Preparation for S/W Up-data is completed” message is displayed on the screen.
- Select ‘Send file’ from File menu of TeraTerm and select the file for Up-data.
At this time, select ‘binary’ from Option.
- The extension of this file is .phc.
4) Decompress this file at the system after this file is transmitted, and write it into the flash memory.
5) S/W is restarted after writing is done.
6) Check “S/W version” of “Troubleshooting” item from the setup menu whether the system code Up-date is
done.