User manual AKG K 405 AFC II

[. . . ] Never use alcohol, petroleum-based cleaners, or paint thinners to clean the headphones or transmitter. If you do not use your headphones system for an extended period of time (e. , when traveling), disconnect the AC adapter from the AC outlet. Dear customer: Thank you for purchasing an AKG product. [. . . ] If signal is present at the transmitter audio input, the POWER ON/CHARGE-LED (11) will light orange. You may leave the headphones on the transmitter for as long as you like without risking to overcharge the batteries. Important: In order to maintain full battery capacity for as long as possible, discharge the batteries completely about once a month: Switch the headphones on and leave them outside the transmitter until the POWER LED (2) extinguishes. If you feel that you need to recharge the supplied batteries more often than would be convenient, you may consider replacing the batteries with new AAA size 1. Remove the ear pad from the left-hand earphone as shown in fig. 10, insert the new batteries into the battery compartment (4). Make sure to align the batteries with the polarity marks inside the battery compartment. Replace the ear pad on the earphone aligning the four pins on the ear pad with the matching openings in the earphone base plate. Has detected no signal for several minutes, headphones are on the transmitter, charging function is on. Has detected no signal for several minutes, headphones are not on the transmitter, charging function is off, OR . Operating switches on or connecting the transmitter to your audio source may cause clicks which at high volume settings may affect your hearing. Therefore, be sure to set the VOLUME control on the headphones to minimum before switching between different sources (tuner, turntable, CD player, etc. Listening over headphones at high volume levels, particularly over extended periods of time, may damage your hearing. your K 305 AFC/K 405 AFC is a radio frequency device that conforms to the strict European and FCC standards. For physical reasons that have nothing to do with the quality of the product, extremely strong interference sources may affect reception. In order to maintain interference-free listening pleasure, do not operate your K 305 AFC/K 405 AFC in the close vicinity of radio equipment, cellular telephones, or directly above TV or computer monitor picture tubes. The supplied connecting cable is long enough to allow the transmitter to be placed at a safe distance from interference sources. Interference caused by other users of the 914 or 864 MHz LPD band are beyond AKG's control. If audio signal is present at the transmitter input, the POWER ON/CHARGE LED (11) on the transmitter will light green. Use the POWER switch (1) to switch the headphones on, so that the green POWER LED (2) will light. After a few seconds, you should hear the signal in the headphones clearly and free of interference. If your first try fails, set the FREQ ADJUST control (9) to a different position and press AUTOTUNING (5) again. [. . . ] Simply take or ship your AKG products prepaid to our service department. Be sure to include your sales slip as proof of purchase date. (We will not repair transit damage under the no-charge terms of this Warranty. ) Note: No other warranty, written or oral, is authorized by AKG Acoustics. [. . . ]