HECTA echo sounder Model RS obtains the best of both worlds by using the rotating lamp system of display (with bright, everlasting light-emitting diodes) in the instrument case and a meter for the cockpit repeater. Hecta RS has a powerful 10-watt transmitter to obtain clear echoes in depths of 60 fm (100m in the metric model), even from a soft muddy bottom. It operates from the boat's D.C. supply of 12-36 volts.

For full details, apply to the designers and manufacturers: BROOKES & GATEHOUSE UTD Pioneers and world leaders in electronic instrumentation for yachts Bath Road, Lymington, Hants. Tel: Lymington 4252 and a branch in the U.S.A..