Powering On/Off: Press the I/● button to enter standby mode. Press again to turn on. Display Brightness: Use the DIMMER button to adjust or turn off screen brightness. Volume: Adjust volume using the VOL(UME)+/VOL(UME)- buttons. Tuning Radio: Press I/● to turn on, then FUNCTION until 'TUNER' appears. Use i-MENU/BAND to select FM/MW, then TUNE ▶▶▶/ TUNE ◀◀◀ to tune to stations. Alarm Function: Hold ALARM 1 or ALARM 2 button for 3 secs. Use ▶▶▶/ ◀◀◀ to set hours and minutes, confirming with ALARM 1/2. Select alarm mode (Buzzer, Radio, or iPod). Playing iPod Music: Select 'iPod' mode. Connect iPod with adapter, then dock iPod. Use device buttons or iPod controls for playback. Timer (SLEEP): Press SLEEP button to set auto-off time in 10-minute intervals (90 to 10 mins). AUX IN: Connect external audio source via 3.5mm jack, select AUX mode via FUNCTION. Adjust volume with VOL+/-.