Vexilar FLX-12 Pro Pack II w/12 Ice Ducer [IPX1212]

now let's talk about the controls themselves you have only two knobs to deal with here the gain knob controls how much the receiver allows to you to hear so if you turn it way up you tend to get a lot more clutter around the display and that's no fun you want to keep your gain as low as possible at all times there's another nice feature of the the gain switch is that it also enables the night mode so when you're in a low light situation you press and hold the button and the lights will dim by 50% press and hold it again and it'll return itself to normal brightness it's a nice little feature at night in a fish house when these lights tend to be a little overpowering at times the interference rejection the interference rejection has 20 hour settings which means that you can every time you turn it on it starts at number one all right starts at number one and then you just simply press pres