Firmware - Hitachi DV-RF7U Service Manual

Dvd video recorder with video cassette recorder
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Details of Servicing and Troubleshooting > Firmware

3-1-3 Firmware

The firmware is occasionally updated to improve performance.
Check whether a customer complaint can be solved by updating of firmware: If the complaint can be
solved, update the firmware.
Information:
If any corrections in firmware are made at the factory, information on how to obtain the firmware
data and create a disc containing upgraded firmware will be reported in technical bulletin, etc.
(1) Version check procedure
1) With the recorder turned on, make sure that no disc or tape is inserted.
2) Hold down the CH UP + CH DOWN buttons on recorder simultaneously for approx. 5 seconds:
The version of firmware will appear on the screen.
3) Turn the recorder off to switch off the display.
(2) Updating Firmware
1) Write the firmware data to CD-R or CD-RW.
2) Insert the disc into the tray: Recognition of the disc will start and the screen for confirming
updating will appear.
3) Choose [Yes], and then press the ENTER button on remote control.
4) When updating is complete, the tray will automatically open: Remove the disc.
5) Turn the recorder off, and then on again: The tray will close.
6) Hold down the CH UP + CH DOWN buttons on recorder simultaneously for approx. 5 seconds to
display the version screen of firmware. [System reset operation]
7) Turn the recorder off to finish the updating of firmware.
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