[. . . ] 5V batteries (not included) with the position (+) and negative (-) ends facing in the correct direction. [. . . ] If this proves to be ineffective, remove the batteries and insert them again. Static label Please remove the clear film label from the LCD screen by pulling the tab. To set the hour, press the [Hour set] button (8) until you reach the right time. This clock has a 12-hour display mode, so keep in mind to set the hour with the corresponding AM/PM indicator. This is a reception problem and does not mean that the unit is defective. To make use of the warranty, or for the after-sales service, return the product to your place of purchase together with proof of purchase. Our warranty covers material defects and assembly and manufacturing faults excluding all damage caused by disregard of the instructions or irresponsible use (such as dismantling, exposure to heat or damp, etc. Disclaimer In our constant concern for improvement, the colours and details of the product may differ slightly from those shown on the packaging. [. . . ] Environmental Protection Unwanted electrical appliances can be recycled and should not be discarded along with regular household waste! [. . . ]