EDGE-LT 4 Band Equalizer preamp with chromatic LCD tuner INSTALLATION 1. Find the location having the same curve as EDGE EQ on the side of guitar 81.5mm 2. Cut out the hole with template 50.0mm NOT TO SCALE 3. Insert EDGE EQ into hole of guitar. (Two clamps must be fully unfastened) FEATURES 4 Band EQ. - PRESENCE : Very high range - TREBLE : High range - MIDDLE : Mid range - BASS : Low range 4. Fasten two hex screws properly. VOLUME : Master output level PHASE : Phase reverse switch to reduce feedback. TUNER : Power switch of built-in LCD tuner. * Sound output will be mute while tuner is on. ** Tuner can work without plugging into output jack. *** Back light of LCD will be lighting while tuner is on. SPECIFICATION BATTERY : 9V Battery (6F22 or equivalent) VOLTAGE RANGE : Min 7V to Max 12V INPUT IMPEDANCE : 1Mohm OUTPUT IMPEDANCE : 1Kohm Power is OFF when unplugging output jack. 5. Put plugs into jacks. ARTEC PIEZO TRANSDUCER OUTPUT JACK 6. Open top cover and insert 9V battery.