Fukuda Denshi DS-7001, Service Manual

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LCD Test
The LCD test can be performed by selecting “LCD” on the “Test Menu”.
LCD
By selecting “LCD” on the “Test Menu”, the test patterns will be displayed allowing to check the
LCD operation.
Pressing the
key will sequentially display the following patterns.
“Black” → ”White” → “Gray Scale (8 gradation)” → “Burst” → “Red” → “Green” → “Blue”
When all 7 patterns are displayed, the LCD test is complete and the display returns to the “Test
Menu”.
→ → →
→ →
Visually check the displayed test patterns, and ensure that there is no flicker, color drift, bright
point, or unlighted point.
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