Fisher Gold Bug 2 Gold Nugget / Electronic Prospecting Metal Detector The MOST Sensitive Gold Hunting Detector Ever Made Extreme Sensitivity to Small Gold Nuggets High Precision Dual-Control Ground Balance Iron Disc Mode for Iron & Hot Rock Rejection Deep Target Audio Boost Lightweight & Hip-Mountable Available with Either a 6 ½” or 10” Elliptical Search Coil Operating Frequency: 71 kHz Recommended for Gold Nugget Hunting Controls: THRESHOLD: Small shaft on rear of control housing, controls threshold tone. MODE: Three‑position toggle switch: 1. IRON DISC Mode for iron discrimination. 2. NORMAL Mode for normal All Metal operation. 3. AUDIO BOOST Mode for hearing faint, deep targets. BATTERY TEST/SENSITIVITY: Dual-purpose potentiometer with switch for Audio‑Tone battery test, controls sensitivity to targets, electrical interference and ground minerals. GROUND REJECT: Dual-knob control used to electronically tune the electronics to ignore ground minerals. A small, single‑turn coarse adjust knob is stacked on a large, 16‑turn fine tuning control. VOLUME: Turns the power on and controls signal response volume. HEADPHONES: Jack for most mono and stereo headphones with 1/4-inch plug. Features: -Powerful 71kHz Operation for extreme sensitivity to small gold nuggets -IRON DISC Mode rejects iron (trash) targets and hot rocks -Resistant to dust and moisture -Boosts audio signal of small and deep targets -Convertible to hip-mount or chest-mount -Weighs only 2.9 lbs. -Quartz-crystal locked electronics -Uses two drop-in, 9 V batteries -Dual-knob ground control for coarse and fine adjustment
