Hitachi ZW 310-6 Operator's Manual page 193

Upper Switch Panel (Option)
1- Rotary Light Switch
2- Auxiliary
3- Auxiliary
4- Auxiliary
5- Auxiliary
Rotary Light Switch (Option)
Press either upper part or lower part of the switch to turn
the rotary light ON. Press middle part of the switch to turn
OFF.
OPERATOR'S STATION
1-131
1 2 3 4 5
Z7_US_radio
ON
OFF
ON
M4GB-01-125