[. . . ] Battery compartment (including main battery pack and back up batteries) 12. Note: Keeping back up batteries inside the compartment prevent stored data in preset memories from being lost. Pull out the battery compartment locker to release battery compartment. There are main battery pack compartment and back up battery compartment. [. . . ] Long press the time set button for more than 2 seconds, display will flash time set symbol and also the hour digit, followed by a beep. To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Always insert it all the way until it locks in place with a little click. If the cartridge does not slide in easily, it is not being inserted correctly. This radio equips with three tuning methods ­ Scan tuning, Manual tuning and Memory presets recall. Make sure the rubber bended rod antenna has been well placed for best FM reception. Try to avoid to operate the radio next to computer screen and other equipment which will cause interference to the radio. Press and release Scan button (long press Scan button more than 2 seconds will activate time setting), LCD display will flash Scan symbol and the radio will up search and stop automatically when it finds a radio station, . note: A stereo symbol will appear on the display , if the station found is a stereo station. Note: The radio will continue to search next available stations if you do not press Scan button again when it finds a radio station. Stations stored in preset memories can be overwritten by following above procedures. When the radio alarm is selected, the radio will turn on and play the chosen radio station at the chosen alarm time. The radio alarm will continue for one hour unless turned off by pressing the Power button. pressing the Power button whilst the alarm is activated will cancel the alarm for 24 hours. Note: When the radio is in low battery status, the radio alarm can't be activated. During radio alarm symbol flashing, press button for more than 2 seconds followed by a beep. Display Hour will flash, rotate Tuning Control to select the hour then press button again to confirm hour setting. A single rotary to the Tuning control will change the frequency in the following increment: FM: 50 or 100 kHz AM (MW): 9 or 10 kHz Note: If the radio is in volume control status, press in the tuning/volume control to become Tuning status. Keep on rotating the Tuning control until the required frequency shown on the display. When above radio alarm time and station are set, press and hold down radio alarm button for 2 seconds followed by a beep to switch alarm on or off. Note: If new radio alarm station is not selected, it will select the last alarm station. The alarm beep will become shoter and shoter every 15 seconds for one minute followed by one minute silence before repeating the cycle. [. . . ] The snooze function can be repeatedly during one hour that the alarms are active. The sleep timer will automatically switched off the radio after a preset time has elapsed. Press and continue to hold down the Power button for more than 2 seconds, followed by a beep tone, the display will cycle through the available sleep times in the order 60-45-30-15-120-90-60. Release the Power button when the required sleep time appears in the display. [. . . ]