Zeversolar Eversol TL1500-20 Handbuch Seite 44

Step 3：
Before the LCD backlight goes out from step 2, press the control key again once a
second to scroll through the different safety regulations showing on the screen will
constantly change.
For example, if you choose the safety regulation for the Netherlands, press the
control key until the LCD display shows "NL NEN50438" as below:
Wait about 10 seconds. When the LCD backlight has turned off, the safety regulation
setting is complete.
Comment:
1 If the LCD display shows "DEFAULT", keep on pressing the key until the LCD
display shows the desired safety regulation.
2 To set up other safety regulations refer to the example for the Netherlands
Installation and Operating Instructions
NL NEN50438
Pac= 0.0 W
43