21 Jul 2010 Introducere. Nimic nu se apropie de o Cobra® 3. Channel 9/. NOR/Channel 19. Button. AM/FM. Button. On-Off/. Volume Knob. Squelch/. RF Gain Knob. Channel. Adjust the squelch control knob to reduce any undesirable background noise when no signal is being received. To do this, select a channel where no signal are Are you looking for the the instruction manual of the Cobra 19DXIVEU? View the user manual of this product directly and completely free. 10 Nov 2011 Manual de utilizare statie auto Cobra 19DXIVEU Vezi oferta de statii auto. 11 Jun 2010 21 May 2010 in the manual, please share your question in the troubleshooting section on the buttom of this page. Ask a question. Brand: Cobra; Model: 19DXIVEU; Product Download COBRA 19DX IV SM service manual & repair info for electronics experts.