Furuno GP-1870F Marine GPS System User Manual


 
FOREWORD
x
Fish finder
Fish finder measures the depth to the bottom and displays underwater conditions in multi-col-
ors* according to echo strength. A monochrome presentation shows the echoes in shades of
gray. (*Number of colors depends on network sounder, color sounder.).
Automatic and manual fish finder operation. Auto mode automatically adjusts range, gain and
clutter ac-cording to purpose - fishing or cruising.
Wide variety of zoom modes for detailed observation of fish and bottom.
• ACCU-FISH
TM
provides length and depth of individual fish. Appropriate transducer required.
Other
AIS function (requires connection to an AIS transponder) provides navigational information from
AIS transponder equipped vessels within 50 nm.
Instrument displays (steering, engine, weather, and wind) with connection of relevant sensors.
DSC (Digital Selective Calling) function alerts to DSC messages received and position re-
quests. (Requires DSC capable radiotelephone.)
Open Source Acknowledgement
This product makes use of the following open source software:
FreeType (www.freetype.org)
Portions of this software are copyright ©2009 The FreeType Project
(www.freetype.org). All rights reserved.
libpng (http://www.libpng.org/)
This software is based in part on the work of the Independent JPEG Group.
libjpeg (http://www.ijg.org/)
We would like to thank each developer of the above-mentioned open
source software for their great contribution to the open source community.