Furuno GP-31 User Manual

GPS NAVIGATOR
DGPS NAVIGATOR
GP-31/GP-36

Furuno GP-31 Specifications

General

Display	LCD
Power Consumption	1.5 W
Operating Temperature	-15°C to +55°C
Storage Temperature	-20°C to +70°C
SBAS	Yes
Channels	12
Type	GPS
Accuracy	10 meters (95% typical)
Weight	0.3 kg
Power Supply	DC 12V

Summary

SAFETY INSTRUCTIONS

Safety Instructions for the Operator

Essential safety guidelines for operating the GPS navigator.

Safety Instructions for the Installer

Safety precautions for installing the GPS unit and its components.

1. OPERATIONAL OVERVIEW

1.1 Control Description

Explanation of the unit's buttons, keys, and their functions.

1.2 Turning On and Off the Power

1.4 Display Modes

1.5 Basic Menu Operation

Guide to navigating the unit's menu system and changing settings.

3. WAYPOINTS (MARKS)

3.1 Entering Waypoints

Methods for saving important locations as waypoints.

3.2 Entering the MOB Mark

3.4 Editing Waypoints on the WPTS/MRKS List

Modifying saved waypoint details like name, shape, or comments.

3.5 Deleting Waypoints

Procedure for removing saved waypoints from the system.

4. ROUTES

4.1 Creating a Route

Steps to plan and save a sequence of waypoints for navigation.

4.2 Editing Routes

Procedures for modifying existing routes.

4.3 Deleting a Route

Procedure for removing entire saved routes.

5. NAVIGATION

5.1 Setting Destination by Cursor

How to select a destination point on the screen using the cursor.

5.2 Setting Destination by Waypoint

Setting a pre-saved waypoint as the navigation destination.

5.3 Setting Route as Destination

6. ALARMS

6.1 Arrival Alarm, Anchor Watch Alarm

Setting alarms for approaching destinations or anchor drift.

6.2 XTE (Cross Track Error) Alarm

Setting an alarm for deviating from the planned course.

6.4 DGPS Alarm

7. OTHER FUNCTIONS

7.1 Calculating Range, Bearing and TTG

7.2 DGPS Setup, DGPS Data

Configuring DGPS receiver, managing stations, and viewing data.

7.9 GPS Setup

Configuring GPS receiver parameters like smoothing and offsets.

7.12 Uploading, Downloading Waypoint, Route Data

Transferring waypoint and route data to/from a PC.

Downloading data to a PC

Uploading data from a PC

8. MAINTENANCE & TROUBLESHOOTING

8.1 Maintenance

Recommended regular checks to keep the unit performing optimally.

8.2 Displaying the Message Board

How to access and interpret system messages and error alerts.

8.4 Diagnostic Test

Running a system check to verify component functionality.

8.5 When “BATTERY ALARM!" Appears

Steps to take when the internal battery voltage is low.

8.6 Clearing Data

Resetting GPS data, menu settings, and backup data to defaults.

9. INSTALLATION

9.1 Installation of Display Unit

Guidelines for mounting the display unit in a suitable location.

9.2 Installation of Antenna Unit

9.3 Wiring

Diagrams and instructions for connecting the unit's cables.

9.4 Initial Settings