Sennheiser Set 900 Instructions for use - Page 21

Using the Set 900 Switching the microphones off ̈ Press the microphone button 4 once more. The microphone indicator 2 goes off. You hear 2 short, descending beeps and then only your sound source. Storing and charging the receiver Do not store the receiver on a glass dummy head, chair armrest, or similar for long periods of time as this can reduce the contact pressure of the earbows. Furthermore, with the earbows pulled apart, the receiver remains switched on. ̈ After use, place the receiver into the transmitter's charging compartment 9 without exerting too much pressure. C B When the receiver is placed correctly 9 into the charging compartment, the indicator B lights up: red: The battery is being charged. green: The battery is fully charged. Notes: - With a fully charged battery, the operating time is up to 12 hours. - If you have several receivers, they can be used during charging. - Always store the receiver in the transmitter's charging compartment 9 to ensure that it is fully charged. The intelligent battery charging technology prevents overcharging. 17