ENGLISH16Channel selectionTo switch the channel turn the knob located on the receiver rear panel.The two channels marked as “GUITAR MONITOR” cause the radio stage to we switched off, toreduce consumptions and prolong the battery life.For information about their use please refer to the application section.ATTENTIONShould multiple systems be used in the same band, make sure that the receiver is tunedin to the same channel as that of the desired transmitter.AntennaThe antenna is made of a flexible material, for better use. Never cover the antenna when the unitis in use.Auxiliary audio inputThis input allows to listen to any audio source through the headphones.The signal always overlaps with the one sent by the transmitter. The signal on the auxiliary inputwill always be present, even in case the transmitted signal should drop out.In case of channel switching, audio will be mute for a few moments.The input is equipped with a side switch, allowing to attenuate its volume.The “phantom” power supply (5Vdc) is always present on the jack connector of the AUX input.Please refer to the relevant section in the manualATTENTIONInsert the earpiece jack into the receiver socket before inserting the earpieces into yourears.Set the audio volume to the lowest level and gradually adjust the volume.Sudden exposure to high-volume noises may damage your hearing system.Depleted battery indicationBattery depletion is signaled by two events:- The “POWER” LED turns from green to red- A “beep” overlapping the audio is generated every 15sec.ConnectionsPlease refer to the relevant section in the manualCAUTIONS- Should the receiver remain unused for a prolonged time we recommend that youremove the batteries to prevent possible damages due to leaks from the batteries.- Use alkaline batteries- Never use old batteries- Make sure the receiver batteries are charged and in good working order- Check that battery polarity complies with the indications found in the relevantcompartment3.3. Replacing the battery on the receiver- Slightly press the cover compartment (Fig. A).- Fully open the cover (Fig. B)- Insert or replace the batteries in the relevantcompartment, paying special attention to the +/- polaritiesspecified on the bottom (Fig. C)- Close the battery cover, paying special attention toensure that it is properly closed (Fig. D)