User manual SENNHEISER RS 145 COMFORT

[. . . ] 16 Adjusting the balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Enhancing the speech intelligibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Cleaning the RS 145 comfort system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Accessories and spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 9 Putting the RS 145 comfort system into operation Charging the headphones' rechargeable batteries Charge the rechargeable batteries for at least 16 hours prior to first time use. Subsequent charging time is about the same time as the previous operating time. The operating time is up to 23 hours. Place the headphones on the charging cradle 7. The headphones automatically switch off and the rechargeable batteries are being charged. Always store the headphones on the charging cradle 7 to ensure that they are fully charged when they are needed. When the rechargeable batteries are fully charged, the transmitter automatically switches to trickle charging and the charging indicator 9 flashes slowly. Nearly discharged batteries will significantly reduce the sound quality. 10 minutes before the batteries are completely discharged, an acoustic signal is produced. 10 Putting the RS 145 comfort system into operation Adjusting the headband of the headphones For good sound quality and best possible comfort, the headband has to be adjusted to properly fit your head: Wear the headphones so that the headband 1 runs over the top of your head. Adjust the length of the headband so that ­ your ears are completely inside the earpads, ­ you feel even, gentle pressure around your ears, ­ a snug fit of the headband 1 on the head is ensured. 11 Using the RS 145 comfort system Using the RS 145 comfort system To switch the devices on and to listen to your sound source, proceed as follows: Sequence of steps 1. Page 10 12 13 13 16 14 Switching the transmitter on and off Switching the transmitter on Switch your sound source on. The transmitter automatically switches on and the operation indicator 8 lights up. If the transmitter does not switch on: Increase the volume of your sound source and, if necessary, read the section "The transmitter does not switch on" on page 19. Switching the transmitter off Switch your sound source off. 12 Using the RS 145 comfort system If there is no signal from the sound source for more than three minutes, the transmitter automatically switches off and the operation indicator 8 goes off. The transmitter is now in standby mode, its power consumption is very low so that it can remain connected to the mains. When not using the transmitter for extended periods of time, pull out the mains connector from the wall socket. In this case, however, the headphones' rechargeable batteries will not be recharged. Switching the headphones on and off CAUTION!Listening at high volume levels for long periods can lead to permanent hearing defects. If the signal of the sound source is too weak, an optimum transmission is not possible. Please refer to the chapter "If a problem occurs . . . " on page 19. Signal of the sound source is too strong If the signal of the sound source is too strong, the indicator for speech intelligibility and sound signal 0 flashes rapidly. Gradually reduce the volume of your sound source until the flashing stops. 15 Using the RS 145 comfort system Adjusting the volume Use the volume control 2 to adjust the volume to a sufficient and comfortable level. Adjusting the balance The balance control allows for right/left volume adjustment. [. . . ] Before putting the equipment into operation, please observe the respective country-specific regulations!Rechargeable batteries The supplied rechargeable batteries can be recycled. Please dispose of them as special waste or return them to your specialist dealer. In order to protect the environment, only dispose of exhausted batteries. [. . . ]