user`s manual gm980 uhf audio bug www.ofertasraras.com
Contents
1. US z SM N JA GM980 UHF AUDIO BUG WWW OFERTASRARAS COM Rubber UHF Antenna PHYSICAL PARAMETER Microphone Power Switch Earphone Audio Output Soft Antenna Power Volume Speaker Transmitter Receiveg OPERATION INSTRUCTIONS 1 gt Turn power switch of both of transmitter and receiver on ON 2 gt Extend soft antenna of transmitter Then put transmitter within 1 5 meters to voice source 3 gt Plugin earphone and wear it or use build in speaker Then you can hear voice picked up by transmitter If use receiver near to transmitter need not screw on rubber antenna REMARKS 1 gt Both of transmitter and receiver will turn off while battery use off Turn off them then recharge and reload new battery 2 gt Receiver should use 2pcs AAA good quality dry batteries Can not use 1 2V rechargeable batteries 3 gt You can use original adaptor for transmitter after full charged There will be little electical noise if use adaptor 4 gt Earphone hole is 3 5mm applicable for many kind of voice output devices such as audio monitor mp3 player etc 5 gt Change the volume on receiver to ensure voice is loud by not distortion USE IN BUILDING AREAS Please change receiver s direction when transmitter a long distance Normally antenna should be vertical to ground then turn around your body to ensure to capture max signals In crowded buidling areas signal will be blocked and reflected many times and cause blind spot Blin2. d spot means the area is near to transmitter but signal is very weak The key point in long range transmission is choose correct location for receiver The tips is put transmitter near to window and use receiver in high locations or open area The less buildings between transmitter and receiver the longer distance could transmit to REMARKS 1 gt Recharge battery for more than 1 hour after green light turn off could extent battery life 2 gt After green light on adaptor turn off you can use power adaptor as power source 3 gt If there are electrical noise enlarge distance between receiver and transmiter The noise will weak or disappear 4 gt If do not use the device for long time please full recharge and store it Every 2 months need to recharge battery gain 5 gt It will cause broken if open sealed box and product warranty will be invalid 6 gt Must use transmitter and receiver in a same set Because different set might use different frequency points 7 gt Receiver volume is depends on voice source If speak very loud to transmitter it might cause demage to receiver s eardrum 8 gt UHF audio bug is not applicable for areas with plenty of radio freugency signals or with loud background noise
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