Checking Versions Of Firmware And Updating; Checking Firmware Versions - Hitachi DZ-MV580EAU Service Manual

Troubleshooting > Checking Versions of Firmware and Updating

4-6 Checking Versions of Firmware and Updating

This DVD video camera/recorder stores the 4 types of firmware shown in Table 4-6-1 in flash
memory.
These firmware programs will be updated whenever necessary to improve the performance of this
DVD video camera/recorder.
Check to see whether any defects in this DVD video camera/recorder can be eliminated by updating
any firmware programs: If improvement is likely, update them.
Information:
If any corrections in firmware are made at the factory, the information on how to obtain the
firmware data and create a disc or card containing upgraded firmware will be reported on service
bulletin, etc.
Type of firmware
System firmware
Camera microprocessor
firmware
Drive main firmware
Drive core firmware

4-6-1 Checking firmware versions

(1) Purpose
When checking whether updating firmware is needed or not, use the following procedure to view
the version display screen (see Fig. 4-6-1) and check the version number.
Only the titles at top left of screens will be different when no disc is loaded or disc is loaded; the
other display contents will be the same.
(2) Version display/clear method
Display method
1) Connect the battery or AC adapter/charger.
2) Set the power switch to "VIDEO". Operate the DVD video camera/recorder while viewing the
LCD screen or viewfinder from this point.
3) When a disc is loaded, press the DISC NAVIGATION button to display the thumbnail display
screen: This step is not necessary if no disc is loaded.
4) Operate the following buttons to view the version display screen:
Tilt the joystick up and hold it, then simultaneously press the SELECT button and REC buttons.
Display clearing method
1) Press the stop/cancel button to restore the thumbnail display screen. To return to the normal
screen, press the DISC NAVIGATION button.
Table 4-6-1 List of Firmware Programs
Description
Software that drives SH CPU: Controls the operation of
entire system, including recording, playback, Disc
Navigation, connections with external device
Controls the operation of camera block (including optical
system), clock, battery, input/output
These programs control the DVD disc drive system
(mechanism block)
4 - 27
Remarks
Does not require
updating