Features - Garmin GPSMAP 235 Sounder Owner's Manual

Designed for detailed electronic charting and complete depth sounding capabil-
ity, the GARMIN GPSMAP 235 Sounder is a powerful navigation device that also
gives you the fishfinding information you need in fresh or saltwater.
Precision Performance:
• High-contrast, four-level gray, LCD screen
• 12 channel receiver tracks and uses up to 12 satellites simultaneously
for fast, accurate positioning
• Differential-Ready— just add the optional GBR 21 beacon receiver for better
than 5-meter accuracy
Advanced Navigating and Plotting:
• 250 alphanumeric waypoints with selectable icons and comments
• Built-in database usable from 4096 to 64 nm worldwide and to 32 nm in the
continental United States.
• 20 reversible routes with up to 30 waypoints each
• G-chart TM electronic charting with inland and offshore coverage
• LORAN TD to GPS Lat/Lon Coordinate conversion
Superior Fishfinding Ability:
• Four zoom levels with a moving view window
• Underwater waypoint marking
• Map/Sounder split screen displays navigation and fishfinding information
• Fish and depth alarms
• Digital depth continuously displayed on all pages
• Dual frequency operation for maximum coverage with good bottom detail
• Efficient noise rejection circuitry for removing cross talk and noise
INTRODUCTION
Sounder Capabilities
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