Sennheiser HDI 550 Instructions for Use - Page 4

HDI 550 The hi-fi infrared headphone HDI 550 recieves the stereo sound information radiated by an appropriate wireless infrared transmitter S 550. Please observe the following informations which are important for the optimal use of the excellent features of your new headphone: ᕃ FEATURES ț light headphone with high wearing comfort ț excellent tonal quality ț easy handling ț economic and ecologic rechargeable battery operation, charger included in the transmitter ț individual volume and balance control OPERATING ELEMENTS ᕃ On/off-switch ᕄ Balance control ᕅ Volume control ᕆ Channel selection switch: Position "ST" ̈ Stereo reception Position "I" ̈ Mono reception channel 1 ᕄ Position "II" ̈ Mono reception channel 2 ᕅ LISTENING TO LOUD MUSIC ? - NO ! Listening to music via headphones tempts ᕆ into listening to louder music than loudspeakers would. A high volume that affects your ears for a longer period can cause lasting hearing defects. Protect your sound hearing; Sennheiser headphones are good even for low volume musical enjoyment.... 4