Make sure that you have the battery selector switch in the correct position. When using installed AA batteries the switch should be set to "AA Batteries". If using emergency power the switch should be set to rechargeable.
Rechargeable power is for emergency purposes only. The internal battery is very small and charges from the hand crank only. This charge will only remain for 3-5 minutes and will require the use of the hand crank to recharge.
Note: Analog tuners are very sensitive to adjustments. Use small movements to tune.
The Dynamo hand crank charges the internal rechargeable battery circuit should the dry cell batteries not be available or are depleted. While cranking the dynamo it will also provide a low voltage output charge of about 5 volts that will charge MP3 players and many mobile phones.
Device charging with the dynamo is slow and will require the user to keep a consistent rotational tempo; cranking faster will not speed this process up.
Note: The dynamo will recharge the internal battery circuit or slowly charge a connected device, but it cannot do both at the same time.
No, the iPhone charging circuit requires much more steady flow of current then the hand crank can provide. Dynamo charge is much too slow for this type of device.
If you cranked the dynamo the recommended 6 revolutions the radio should last 5-8 mins at a moderate volume. The dynamo is for emergency purposes only, and batteries are recommended for extended periods.
No, the dynamo will only recharge the internal rechargeable battery circuit of this device and will not impact the AA batteries installed into the battery compartment.