Mitsubishi Electric MELFA FR CR800 Series User Manual page 530

21.5.2.3. Size
At [Size], you can set the length of one side of the floor.
Figure 21-35 Change the size of the floor
21.5.2.4. Color
At [Color 1] and [Color 2], you can set the color of the floor. At "Floor", the [Color 1] and [Color 2] color panels are
displayed alternately.
Figure 21-36 Changing the Floor Color
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