Garmin Fishfinder 160C Owner's Manual - Page 27

NMEA Output Choose to turn the NMEA Output On or Off (default). The Fishfinder 160C can output NMEA data for Water Depth, Water Temperature, and Water Speed. The NMEA output is NMEA 0183 version 3.01. Beeper Choose to turn the Beeper On or Off. When the Beeper is On, a beep is sounded when a key is pressed, a message is shown or an alarm activated. With the Beeper Off, all Beeper functions are muted. Contrast Adjust to compensate for different light levels or viewing angles. Moving the slider up darkens the contrast. Moving the slider down lightens the contrast. Operating Instructions > The Setup Menu Light Changes the level of screen backlighting. This setting affects the middle level (user level) when cycling through the Backlight setting. To cycle through the Backlight settings, press and release the POWER key. Defaults This option restores the factory default settings for the unit. Fishfinder 160C Owner's Manual 21