Raymarine L1250DRC, Owner'S Handbook Manual

Page: 195 / 246

Chapter 8: Advanced Chart Operations 8-1
Intr
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Chapter 8: Advanced Chart Operations
8.1 Introduction
This chapter explains how to use the additional functions that are provided
with the L770DRC Plus and L1260DRC Plus Combined Fishfinder/
Chartplotter units. Chart functions are also available on L770D Plus and
L1260D Plus fishfinder-only units, when connected to an
hsb
2
Plus Series
device with chartplotter functionality (see Section 2.9, Integrated Systems ).
This chapter covers the following topics:
• Measuring distances and bearings on the chart, using the
VRM/EBL
key
• Setting alarms and timers
• Man Overboard (MOB)
• Cursor Echo
• Radar Overlay
• GPS Setup
• Data Log Mode
In order to use some of these functions, you may need the following additional
data from equipment connected to your system via a SeaTalk,
hsb
2
, or NMEA
link:
*If heading data is available via both NMEA and SeaTalk, NMEA data takes priority. For all other data,
SeaTalk data takes priority (see
Section 8.3 ).
Table 8-1: Function of External Data
Data Example source Integrated functions available
Heading
COG Compass
*
GPS
- North Up or Course Up heading modes
- MOB (if speed data also available)
Radar data Radar system (via
hsb 2
- Radar data, either full-screen or in a half-screen window
Position GPS system - Waypoints
- Position, COG, SOG and time data in Data Box and Nav
Window
- MOB
- Data Log
Other data Transducers - Data Box and Nav Window data displays, including speed,
depth, wind, temperature
81213_1.book Page 1 Monday, March 17, 2003 1:14 PM