JRC JMA-610 Series Instruction Manual page 54

4 Put the cursor on [Level4] displayed at the right of "3.VRM".
"Level4" will be highlighted.
5 Press [ENTER] key.
Adjustment menu will be opened.
6 Put the cursor on [2.Level2].
"Level2" will be highlighted.
7 Press [ENTER] key.
The brilliance of VRM will be set to "Level2".
8 Press [MENU] key.
Menu window will be closed.
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