Cobra 29 LTD Classic 29 LTD Manual - Page 10

Operation Operation Setting Delta-Tune Setting Delta-Tune Delta-Tune functions as a "fine tune" control enabling you to capture a more readable signal, as well as eliminate adjacent channel interference. Gate open CH19 NOR CH19 NOR 2 Full counterclockwise rotation opens the "gate" allowing all signals in. Setting Squelch Gate closed 1  Rotate Delta-Tune knob to the center position for optimum tuning. Setting Squelch Squelch is the "control gate" for incoming signals. CH19 NOR CH19 NOR Gate set to Desired Squelch Setting (DSS) 3 To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the control clockwise just until the noise stops. This is the DSS setting. 1 Full clockwise rotation closes the gate allowing only very strong signals to enter. 18 19