6CONTENTSLimitation of liability .................................................................................................................... 3Disclaimer of warranty ................................................................................................................ 3Important Safety Instructions ..................................................................................................... 3Precautions ................................................................................................................................ 4Preface ....................................................................................................................................... 7Caution about interception of transmission ................................................................................ 7Major operating controls and their functions .............................................................................. 8Channel setting .......................................................................................................................... 10Inserting a battery ...................................................................................................................... 11Using the microphone ................................................................................................................ 12Connecting an external device ................................................................................................... 13Replacing a battery .................................................................................................................... 14Charging a rechargeable battery ................................................................................................ 15Troubleshooting ......................................................................................................................... 17Specifications ............................................................................................................................. 21Accessories ................................................................................................................................ 22Product care• Clean the power source with a dry cloth.• Do not clean with volatile liquids such asbenzine and thinner.• When using a chemical cloth for clean-ing, observe the cautions provided withthat product.Useful hints• Noise preventionTurn off the power of this product, andturn down the volume of a poweredamplifier, mixer, etc. before replacing,removing or inserting the battery, as thismight produce a large noise from thesedevices.• For a clear sound without noise content,use the product at a distance of up to 8m {26'} from the infrared sensor. Whenyou get a lot of noise, use the product asclose as possible to the infrared sensor,within a range of 2 m to 8 m {7' - 26'}.Using the product within a distance of 2m {7'} from the infrared sensor maycause crossover to unused channels andinterference.