User manual AKG CU 40

[. . . ] Before connecting the equipment to power, check that the AC mains voltage stated on the supplied AC adapter is identical to the AC mains voltage available where you will use the equipment. Operate the equipment with the supplied AC adapter with an output voltage of 12 VDC. Using adapters with an AC output and/or a different output voltage may cause serious damage to the unit. [. . . ] When scrapping the equipment, separate the case, circuit boards, and cables, and dispose of all components in accordance with local waste disposal rules. This Manual contains important instructions for setting up and operating your equipment. Please take a few minutes to read the instructions below carefully before operating the equipment. The charger features three charging receptacles specially shaped to accept the GB 40, MP 40, SO 40 transmitters. Therefore, you will not need to remove the battery from the transmitter for charging. Special charging contacts on the bottom of each charging receptacle automatically close the charging circuit for the battery inside the device you inserted. These will become very hot and may damage the transmitter by chemical reactions. Check that the AC mains voltage stated on the supplied AC adapter is identical to the AC mains voltage available where you will use your system. 2): To prevent the charger from toppling and the transmitter from falling out of the charger, disconnect the SO 40 from the microphone before inserting the SO 40 into the charger. As soon as you place the transmitter (1) in the charging receptacle (2) charging will start automatically. 3: MP 40 status LED (3) will illuminate green for about one second and then change to constant red. Should you forget to remove the transmitter, do not panic: charging 4: GB 40 will switch off automatically and you can leave the transmitter in the charging receptacle for as long as you like without risking to overcharge the battery. , during the lunch break at a conference or between the soundcheck and concert: 1. If the LED starts glowing GREEN CONSTANTLY immediately after inserting the transmitter, you inserted the transmitter the wrong way. 1 second and then glow red constantly for 3 minutes while the battery is tested automatically. If the transmitter switches off after a few minutes of operation, the battery is totally discharged. [. . . ] Important: To avoid totally discharging the battery and shortening its useful life, do not leave the transmitter ON for more than 24 hours. If you will not use the transmitter for up to one month, switch the transmitter OFF and place it in the charger. If you will not use the transmitter For more than one month, charge the battery to capacity, store it separately from the transmitter, and disconnect the AC adapter from power. [. . . ]