Hydro-Pro Hydro-Pro+Premium 7 - USAGE AND OPERATION; 4.1. Function of controller

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4. USAGE AND OPERATION
4.1. Function of controller
1) Button function
NO
Symbol
Name
Function

On/off
Press this button can start up or shut down the unit,
cancel the current operation or back to the upper
interface

Mode
Press this button can switch modes or save parameter
setting.

Clock
Press this button can set the clock and timer

Up
Press this button can move up or increase parameter
value.

Down
Press this button can move down or decrease the
parameter value.
Main display area
Aux. Display area