Hitachi Zaxis 33U-5A Operator's Manual page 97

4. Select Brightness (9) by pushing switch (4) or (5), and
then push set switch (6) to make the change.
The brightness is adjusted in 5 levels.
High Low
5>4>3>2>1
5. Night mode can be set on Brightness Adjustment screen
(8) by performing steps 1 through 4 after turning the
work light switch ON.
OPERATOR'S STATION
8
1-31
9
4
5
6
MADB-01-055EN
MADB-01-056EN
9
MADB-01-057EN