else if(wcmd.substr(0, 1) == L"1")\r
wcmd = L"LOADBG 1-1 " + wcmd.substr(1, wcmd.length()-1) + L" SLIDE 100 LOOP \r\nPLAY 1-1";\r
else if(wcmd.substr(0, 1) == L"2")\r
- wcmd = L"MIXER 1-1 VIDEO KEY_DEPTH 1";\r
+ wcmd = L"MIXER 1-0 VIDEO IS_KEY 1";\r
else if(wcmd.substr(0, 1) == L"3")\r
wcmd = L"LOADBG 1-1 " + wcmd.substr(1, wcmd.length()-1) + L" MIX 100 LOOP \r\nPLAY 1-1";\r
else if(wcmd.substr(0, 1) == L"4")\r