Garmin Fishfinder 140 including dual beam transducer  £101.99 The Fishfinder 140 combines a 10 cm grayscale display and Garmin's exclusive fishfinder technology into an entry-level sonar that's perfect for any vessel where space is at a premium. Pinpoint Your Next Catch Fishfinder 140's included dual-beam transducer provides excellent shallow-water performance, and the wide viewing angle lets you see fish even off the sides of the boat. With an easy-to-ready grayscale display and backlight, the Fishfinder 140 has one of the sharpest screens for the money.
See Fish Clearly Fishfinder 140 also offers Ultrascroll, which refreshes the screen with lightning speed so you always see the most up-to-date information. You can manually adjust the gain or set to Auto Gain, which adjusts the level of detail you see automatically.
Other features:
Automatic display re-scaling on range change (no more vertical lines with range changes) Power output: 100 watts (RMS), 800 watts (peak to peak) See-Thru® technology: shows weak and strong returns simultaneously Automatic backup of settings: unit remembers user settings when it's turned off Whiteline shows you how thick the bottom is 2X and 4X automatic and manual zoom Alarms for fish size, shallow water, deep water, low battery Battery voltage indicator
Physical & Performance: Unit dimensions, WxHxD: 6.1" x 4.9" x 2.6" (15.5 x 12.5 x 6.6 cm) Display size, WxH: 3.2" x 3.1" (8.1 x 7.9 cm) Display resolution, WxH: 128 x 240 pixels Display type: 4-level grayscale FSTN Weight: 18.7 oz (530 g) Waterproof: yes (IPX7)
Features: CANet® compatible: no Audible alarms: yes Dual-frequency sonar capable: no Dual-beam sonar capable : yes Split-screen zoom: no Ultrascroll (displays fish targets at higher boat speeds): yes See-thru® technology (exposes fish hidden in cover): yes Fish Symbol ID (helps identify fish targets): yes AutoGain Technology (minimizes clutter, maximizes targets): yes Whiteline (indicates hard or soft bottom): yes Adjustable depth line (measures depth of underwater objects): no A-scope (real time display of fish passing through transducer beam): no Bottom lock (shows return from the bottom up): no Water temperature log and graph: yes Water speed capable (displays speed on water): no
Other: Frequency: 80/200 kHz (dual beam) Transmit power: 100 W (RMS), 800 W (peak to peak) Voltage range: 10-18 VDC Maximum depth: 600 ft Cone angle: 45° or 15° (dual beam)
find out more | | Garmin GPSMAP 556s  £679.93 The GPSMAP 556s is a compact chartplotter/sounder that features a high-resolution, super-bright 5 VGA display along with an improved high-speed digital design for increased map drawing and panning speeds. Its ready to go with an easy-to-use interface and a built-in, satellite-enhanced basemap preloaded with marine charts for the U.K. and Ireland. The GPSMAP 556s also accepts BlueChart® g2 Vision cards for added features and functionality such as high-resolution satellite imagery, Mariners and Fish Eye views and Auto Guidance technology.
When connected to an optional transducer the sounder clearly illustrates depth contours, fish targets and structure whether youre fishing in freshwater or off the coast.
The GPSMAP 556s comes ready to go with preloaded marine charts for the U.K. and Ireland. For all other areas, the GPSMAP 556s has a worldwide basemap with satellite images in place of more traditional maps. The GPSMAP 556s also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. And with an SD card slot, its easy to add additional maps without connecting to a computer. Add Extras with BlueChart g2 Vision
With the optional BlueChart g2 Vision SD card, you can add a whole new dimension of exceptional features to your chartplotter.
* 3D Mariners and Fish Eye view provides you with a 3-dimensional perspective of map information, both above and below the waterline * High-resolution satellite images and aerial photographs help you orient yourself in unfamiliar areas * Auto Guidance technology searches through all relevant charts to create a route you can actually follow one that avoids obstacles, shallow water, buoys and other obstructions. find out more | | |