DV-SV80H - Sharp DVD Service Manual (repair manual). Page 15

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14.4.  REGION  MANAGEMENT

At version Page by using arrow keys you can change region.

14.5.  CD  UPTADE  PROCEDURE

1) Player can be updated automatically with Update CD which contains proper file. Check hidden menu for update file name.
2) Burn up CD* within proper update file
3) There should be no Volume Name for CD

Open Tray and place update CD

4) You can see “Upgrade File Detected. Press Play to start” OSD message
5) Press Play button to start upgrade
6) You can see “File copying” OSD message for a few second
7) Tray is open automatically
8) No need for CD in tray; Take it from tray.
9) During upgrade procedure “CD upgrade start, Please wait..” indicator at OSD, and “UPG” indicator at VFD
10) Upgrade procedure takes about a few minutes, please wait if tray is open.
11) When CD update is finished tray is closed, screen is refreshed, update is finished.

NOTE: * For  “NERO Burning Rom”  program
ideal configuration;
Multisession selection should be “No Multisession”
File format should be “ISO9660” .Do not use “Joliet”
It is better to erase with  “Quick Erase” if you use CD-RW before burning.
There should be no Volume lable.
It may be better to put some dummy files in Cd  with update file.