How to store radio stations on my Philips AE4800 radio?

You can store a maximum of 10 FM radio stations. * If you just store less than 5 radio stations, just press and hold the corresponding numeric keypad for 2 seconds * If you store more than 5 radio stations, please follow the above point to store the first 5 stations, and then press and hold SHIFT and the numeric keypads simultaneously for 2 seconds for the rest stations