Hitachi Zaxis 33U-5A Operator's Manual page 77

 Preheat Indicator (5)
The machine will automatically check if preheating is
required or not. When preheating is required, preheat
indicator (5) is lit automatically.
 Security Status Indicator (Optional) (7)
This indicator is displayed when the numeric key pad is
connected.
(Refer to the Numeric Key Pad Lock section.)
: Locked State
: Unlocked State
 ECO/PWR Mode Selector Switch (11)
Two engine speed modes, ECO and PWR modes, are
selected and displayed by operating this mode switch.
ECO (Economy) Mode
Although production is slightly reduced than in the PWR
mode, the fuel consumption and noise levels are reduced,
allowing the machine to operate efficiently.
PWR (Power) Mode
Operate the machine in this mode when performing normal
work.
OPERATOR'S STATION
1-11
17
16
14
5
7
11
12
MADC-01-010