Samsung 225MW - Manual (Page 41)

Off
On
Reset Picture parameters are replaced with the factory default values.
1) Image Reset
2) Colour Reset
1) Image Reset
2) Colour Reset
HDMI Black
Level When a DVD or set-top box is connected to your TV via HDMI, it may cause
a degradation in the screen quality, such as an increase in the black level, a
low contrast, or discoloration, etc., depending on the external device
connected. In this case, adjust the screen quality of your TV by configuring
the HDMI black level.
Normal
Low