AM/FM Clock Radio Cube (120-1594) Preparation Faxback Doc. # 18110 Plug the clock radio's power cord into a standard AC outlet. The display flashes. INSTALLING THE BACKUP BATTERY To keep the clock running during an AC power failure, install a 9-volt battery. We recommend Radio Shack's Enercell Extra Life battery (Cat. No. 23-553) for best performance. NOTES: To prevent unnecessary drain on the back-up battery, plug in the AC power cord before you install the battery. The clock's display does not light while operating from battery back-up power, but the clock keeps time for up to eight hours. A prolonged power failure can drain the battery. If the display flashes after a power failure, the battery is too weak to run the clock. Replace the battery and reset the clock. 1. Push the tabs on the battery compartment cover DOWN and lift it off. 2. Snap the battery into the battery terminals. 3. Replace the cover. WEAK BATTERY INDICATOR BATTERY SENTINEL automatically lights if battery power is low or the battery is not installed. USING EARPHONES To listen in privacy, turn VOLUME to its lowest setting and plug the 1/8-inch plug of a pair of earphones into the EARPHONE jack. Your local Radio Shack store has a complete line of earphones to choose from. LISTENING SAFELY To protect your hearing, follow these guidelines when you use the earphones. Do not listen at extremely high volume levels. Extended high volume listening can lead to permanent hearing loss. Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a volume level that does not cause discomfort might still damage your hearing. (EB 11/13/95)