13.1.9 SettingEconomyMode
Description
The LCD backlight ON/OFF can be set in the following methods.
Setting the LCD backlight to OFF saves energy.
User Function Keys
The LCD backlight ON/OFF switch can be assigned to the use
r function key.
► Userfunctionkey:13.2AssigningFunctiontoUserFunctionKeyandA/MKey
BacklightOFFtimer
The backlight OFF timer sets the economy mode parameter to ON.
If no keys are pressed for 30 minutes, the LCD backlight goes off automatically.
The backlight OFF can be set to turn off the backlight for the whole display or a
display
otherthan
thePVdisplay.
To turn on the LCD backlight, press any key.
Contact Input
The LCD backlight ON/OFF switch can be assigned to the con
tact input
► Contactinput:12.1SettingContactInputFunction
In the following cases, the LCD backlight does not go off.
• when an alarm occurs
• When an error at power-on or a hardware malfunction error occurs
Setting Details
Parameter
symbol
Name
Display
level
Setting range Menusymbol
ECO Economy mode STD
OFF: Disable
1: Economy mode ON (All
indicationsexceptPV
display
OFF)
2: Economy mode ON (All
indications OFF)
3:Brightness10%(allindications)
DISP
13.1 Setting Display Functions