Yamaha Tyros3 Service Manual page 94

Tyros3
Test 29
Function: Whole LCD OFF check
Description:
Turns off all the dots on the LCD. (The whole screen will be
white)
Displayed Message:
０２９：Ａｌｌ ＬＣＤ Ｏｆｆ Ｃｈｅｃｋ
Test 30
Function: LCD pattern check
Description:
Displays color patterns for checking LCD picture quality.
Switch the patterns RGB " rainbow " fl icker noise check
with the TAB [ ]/[#] keys.
94
Displayed Message:
０３０：ＬＣＤ Ｐａｔｔｅｒｎ Ｃｈｅｃｋ
During checking
Selected screen
During checking
Test 31
Function: Pitch Bend Wheel check
Description:
Checks the pitch bend wheel. Center position of the wheel is
detected after detecting MIN and MAX.
Selected screen
RGB pattern
Rainbow pattern
Flicker noise pattern