[. . . ] Reduce its length if the signal is too strong (very close to a transmitter). [. . . ] for safety and best results: 1 Check the aerial is retracted and the radio switched off. 3 Begin to charge by turning the handle slowly in one direction, either way. Gradually build up speed until the OPTIMUM CHARGE indicator lights up. Wrong battery polarity Insert batteries correctly Batteries exhausted Replace batteries Volume is turned down Turn up volume Battery power low / exhausted Recharge the set using the POWER GENERATOR/ replace batteries FM aerial not fully extended Extend FM aerial fully Charging with POWER GENERATOR while radio on Switch off radio before charging Do not expose the set or batteries to rain, moisture, high humidity, sand, or excessive heat e. Do not use any strong or corrosive cleaning agents such as thinner, benzene, etc. You may need to charge for a longer time if: · You are using the POWER GENERATOR for the first few times · the rechargeable batteries are new; · The set has not been used for a long time. [. . . ] The model number is located on the base of the set and the production number inside the battery compartment. [. . . ]