OPERATING INSTRUCTIONS ADS DEEPSEEKER AND ADS GROUNDHOG CONTROL FUNCTIONS Power On-Off/Sensitivity Knob: Turn clockwise to ON position. Detector is operating at maximum depth. Rotate clockwise, as needed, when ground mineral disturbance occurs in TR Discriminating mode. NOTE Beginners, when operating in the TR mode, should operate this control fully clockwise until experience is gained with the detector. Master Control Switch: Located in the end of the handle grip, this control has two functions – TUNING IN MANUAL OPERATION and MODE SELECTION. TR Discrimination Control: Gives you full control over the detector’s discriminating capabilities. Ground Cancel Control: Permits adjustment for canceling (nulling) the effects of iron ground mineralization when operating in the VLF Ground Canceling Mode. Tuning Control: Has two distinct zones the METAL zone and the NULL (quiet) zone. This control is used the FIRST TIME you tune the detector or anytime you wish to CHANGE THE DETECTORS OPTIMUM TUNING POINT.