How to convert 110 volts to 220 volts:
Make sure that the device to be connected consumes less watts than the rated power of the transformer.
Insert the voltage tap connector (located on the back of the transformer) into the pair of holes marked "110".
Connect the power cord of the transformer to a 110 volt source.
220 volts are available on the front panel marked with "220" volts when the power switch is on.
How to convert 220 volts to 110 volts:
Make sure that the device to be connected consumes less watts than the rated power of the transformer.
Insert the voltage tap connector (on the back of the transformer) into the pair of holes that meet the local voltage standard (200, 220 or 230 volts). Check carefully if no mistake has been made.
Plug the power cord of the transformer into a 200, 220 or 230 volt source.
110 volts are available on the 110 volt marked socket on the front when the power switch is on.
Box contents:
1 x transformer.