Short transducer cable
I paid extra postage so I could use this unit on a upcoming salmon tournament that week end.
Upon installation I discovered the transducer cable was way too short. I contacted the vender and was informed the transducer cable only comes as 20 ft. Figuring the ups, sideways and what not the transducer cable might be to short for any boat over 16 foot long.
I had to hunt down and buy another 20 foot transducer cable. The vender didn't have any to sell.
Pure-white LED screen/keypad backlighting fully adjusts to zero-dim for night viewing
The Lowrance HDS-7 Gen2 Fishfinder/GPS Chartplotter offers excellent viewing detail in a large, 6.4" 480V x 640H pixel full VGA color display format that features a brilliant, enhanced SolarMAX PLUS display for superior sunlight and wider-angle viewing. The pure-white LED screen/keypad backlighting fully adjusts to zero-dim for night viewing.
Built-in high sensitivity antenna
The Lowrance HDS 7 Gen2 Touch with 83/200 and Structure Scan Transducer is a complete package that includes two transducers, built-in mapping a built-in high sensitivity antenna. And with Touch Screen operation, navigation has never been easier.
Great item for the price
Well, I got this a few days ago and finally got a chance to take it to the lake. I was planning on getting a map card for it, but after testing it, i think for now the maps built in are adequate for me. The picture is incredibly clear. This unit is replacing a cuda with about the same size display. Even with the small display, I could easily read the screen while operating the boat. The manual is not great, but I was willing to expoler the options.
Button layout on the front is relatively simple
The Lowrance Mark-4 is a nice little fishfinder/GPS combo, and the least-expensive GPS fishfinder I could find on the market. The small screen handles the map and sonar split-screen sufficiently, especially if you'll be in a close-range viewing situation - like a fishing kayak or small boat. If you don't mind the grayscale - then this is your unit. If you want color - pluck out the extra dough for the Mark-4's color cousin: The Elite-4.
Exactly what I was looking for
This is the perfect marine GPS for anyone who already has a fishfinding sonar but just wants a gps. My fishfinder is built-in to the dash and would have been a difficult chore to replace with a fishfinder/chartplotter combo. So instead I was in the market for just a GPS that I could mount on my dash. Lowrance makes some of the best products for anything boat related so when I found this version without sonar I knew this is what I wanted.
Installation was easy and straightforward. The navigation on screen is easily learned and used. I only have a few hours on this unit on my outboard. The only downside so far is that I see alot of prop wash on screen while underway. I installed the sending unit per the instructions so it may need some tweaking. Overall, one of the best Combo units that was a non touch screen that I researched.
Dual frequency split-screen allows for both wide and detailed coverage
The Lowrance Elite-5 DSI is a GPS enabled fishfinder with down scan sonar imaging that was revealed at the July 2010 ICAST show where it received Best Electronics award. It features a five inch 480 x 480 SolarMax display with 256 colors for clear photographic style images of the river bed and it also distinguishes between lower and upper Thermoclines or temperature layers in the water where fish can be found.
good navigational experience
The inclusion of a Bluetooth hands-free speakerphone makes the Garmin nuvi 1260 GPS unit good value for money. If the smaller display and the limitations it brings doesn't concern you, then this GPS unit offers an excellent navigational experience for a fairly low price.
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Reviews and Ratings for Marine Designation GPS Devices from ReviewGist