CNB BDS4812 (discontinued) - Manual (Page 7)

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BDx-Series Installation
1.3 Power Options & Display Properties
Select “None” in the Screen saver field, and click “Power…” in the “Monitor power” area.
When the Power Options Properties window appears, select “Never” in the “Turn off
monitor” and the “Turnoff hard disks” fields.
If above settings are not made, program errors may occur.