The product has a TRY-ME function and the functions are limitated on the TRY-ME mode. Place the mode selector switch to the ON/NORMAL position.
The product has learning levels. Check in the instruction manual if this function is described and included in the product. Then follow the instructions until the product reaches the learning level that allows the product to perform certain functions.
In the ON/NORMAL mode, check the condition of the batteries and if they have not been previously replaced.
The original batteries may be exhausted for the try-me function or normal mode. Replace them with new ones to see if the features work.
Maybe the product is blocked and needs to be reset. Follow the instructions to find the "RESET" function which is highlighted in the istructions manual or simply take out the batteries and put them back in again.
If you have already replaced the batteries but you are using white-label batteries and/or of low cost batteries, they may not have a high enough capacity to run the product. This may affect the duration of time the product works. Only use batteries in accordance with market standards, recognised brands and recommended by the manufacturer.