[. . . ] Each time SLEEP button is pressed, the display changes Sleep time in a sequence as follows: 90 16 17 18 9 19 20 10 11 80 70 60 50 40 30 20 10 off The player goes to standby mode the moment playback or broadcasting reaches the set Sleep time. Press the POWER ON/OFF button on the rear of the unit and press STANDBY button to turn the unit on. [. . . ] Press the M+/ M- button on the remote or press PRESET UP/DOWN button on the unit to select the radio memory slot. Press STORE button again to save the current radio station to the selected memory slot. To recall the preset station frequency, press M+ or M- button on the remote or PRESET UP/DOWN button on the unit repeatedly. PTY BUTTON If you want to tune to the radio station of your favorite type, please set the program type first before tuning. Press and hold PTY button until a certain program type flashes on the screen. Select your desired program type by pressing PTY button repeatedly until your desired program type shows on the screen, then press and hold PREV/NEXT button on the unit or TUNE-/+ button on the remote to start tuning. When tune to a station of the selected program type, the unit will broadcast it immediately. Insert an USB or SD/MMC card onto the unit, and press FUNCTION button repeatedly until toggle the unit to USB or card mode, 2. After the unit scan the inserted USB or card, playback will start automatically. Press RAN button to play the inserted media device in the random order, press the button again to exit random play. Press PLAY/PAUSE button to pause playback, press the button again to resume normal play. During playback, short press NEXT button or PREV button to skip the track forward or backward. [. . . ] The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths, curtains, etc. Attention should be drawn to the environmental aspects of battery disposal. [. . . ]