JBL Marine Audio Wired Remote "145" Questions

My new furuno LS6100 powers up but nothing happens except a quick The LS 6100 unit is new with power cable The only thing that was old is the transducer anb cable. probably a bad ducer, very common. ...

...the MENU/ESC again for vertical gray bars. Press MENU/ESC 3 times to exit. The LCD unit is pn 000-145-512, $175. I strongly suggest you not attempt replacing the LCD yourself unless you are a ...

I have a jbl mr-145 in a hot tub. It keeps powering on and off??? I have the same model stereo in a brand new hot tub that was having the same issue. To fix it all u need to do is pull the front cover