Sony LBT-D990 Operating Instructions - Page 33

Tips • If acoustic feedback (howling) occurs, move the microphone away from the speakers or change the direction of the microphone. • If you want to record your voice through the microphone only, you can do so by selecting the CD source and not playing a CD. Notes • If you press EFFECT or select a sound effect. The karaoke mode is canceled. • The instrumental sound may be reduced as well as the singer's voice when the source sound was recorded monaurally. • The singer's voice may not be reduced when: - only a few instruments are playing - a duet is being sung - the source has strong echoes or chorus - the singer's voice deviates from the center. - the voice on the source is singing high soprano or tenor notes. Falling asleep to music - Sleep Timer You can set the system to turn off at a preset time, so you can fall asleep listening to music. You can preset the remaining time in 10 minute increments. SLEEP N N / Press SLEEP. Each time you press this button, the minutes display (the remaining time) changes as follows: AUTO n 90min n 80min n 70min OFF N 10min ....... 50min N 60min When you choose AUTO The system turns off when the current CD or tape finishes playback (up to 100 minutes). The system turns off if you manually stop playing a CD or tape. To check the remaining time Press SLEEP once. To change the remaining time Press SLEEP repeatedly to select the time you want. To cancel the Sleep Timer function Press SLEEP repeatedly until "SLEEP OFF" appears in the display. 33