User manual GRAUPNER SWITCHING POWER SUPPLY 13.8V 0-30A

[. . . ] Operating instructions: 1 Read thoroughly the following contents before using. [. . . ] 3 Connect the device to the power supply ensuring the correct polarity. 4 Switch the power supply "OFF" with the switch on the front of the unit. 5 Switch the power supply "ON" with the switch on the front of the unit. 2 Do ensure correct polarity when connecting device to the power supply. The symbol shown here, which may be found on the product itself, in the operating instructions or on the packaging, indicates that this is the case. Individual markings indicate which materials can be recycled and re-used. You can make an important contribution to the protection of our common environment by re-using the product, recycling the basic materials or recycling redundant equipment in other ways. Remove batteries from your device and dispose of them at your local collection point for batteries. [. . . ] In case of R/C models, you have to remove electronic parts like servos, receiver, or speed controller from the product in question, and these parts must be disposed of with a corresponding collection point for electrical scrap. [. . . ]