reference tuning tones for A (440) and Bb (446.1). ...  (less)

perfect focus day or night. For quick reference, a headi  (less)

Finder offers superior performance and intuitive operation with half the footprint size of standard flashers. The details: Vertical display matches the water column for easy signal interpretation... top is top and bottom is bottom Simple 7-button no-menu operation Heated "ice" mode prevents slow operation brought on by cold temps down to -40F Silent operation thanks to solid-state design that eliminates that annoying "whirring" flasher motor noise Even more: Digital depth display for fast reference; Digital range control: 20', 40', 60', 80', 120', 240'; 10 levels of anti-interference; 18 hanging transducer; Targeted digital zoom allows you to focus in on any segment of the water column; Auto and manual (25 level) sensitivity; 4-levels of gray...  (less)

LCD. (When used with its electronic target, the Combo PRO model uses both sound waves and an infrared beam.) Every SONIN Electronic Distance Measuring Tool has a built-in calculator to add linear measurements and compute areas and volumes. Intelligent software, improved accuracy and easy-to-understand instructions complete the attractive package. Measures from 1'6 Up To 60 Feet (18 meters) in single unit mode Measures from 1'6 Up To 250 Feet (75 meters) in dual unit mode with target Displays measurements to the 1/4 Electronic target has LED to confirm signal being received Computes areas and volumes Adds and subtracts linear measurements, area, volumes Measures in Ft/In, M/Cm decimal Ft and Yds Tracking and Validate Modes 7 memories with easy recall Automatic internal temperature compensation Auto shutoff 7 minutes after last use Multi-lingual Detailed instruction booklet Multi-lingual Quick Reference instruction label Low Battery Warning Requires Two 9 Volt Batteries (not included) Accuracy 99.5% +/- 1/4(1 cm) Protective Pouch with Belt Loop Recommended for Indoor or Outdoor Use One Year Warranty  (less)

day and night conditions. Simple, push-button controls make ST60 instruments extremely easy to use. Years of experience ensure ST60?s superior quality and performance ? which is what our reputation is built on, and what makes Raymarine instruments the preferred choice for cruising and racing yachtsmen worldwide. ST60 Features: Backlighting: Three levels plus off. Display Digits Size: 1.43" (36.4mm), Tridata 0.75" (19mm), analogue 0.5" (13mm) Maxiview 1.6" (41.2mm). Environmental: Waterproofing to U.S.C.G. CFR-46 Standard. Interfaces: SeaTalk or NMEA 0183 via ST60 Multi or interface box. Keypad Lighting: backlit (except MaxiView). Mounti...  (less)