Casio 1840 - User Manual

1840-1
GENERAL GUIDE
Module No. 1840
Congratulations upon your selection of this CASIO watch. To get the most out
of your purchase, be sure to carefully read this manual and keep it on hand
for later reference when necessary.
About this manual
• Button operations are indicated using the letters shown in the illustration.
• Each section of this manual provides basic information you need to
perform operations in each mode. Further details and technical information
can also be found in the “REFERENCE” section.
Display Indicators
The following describes the indicators that
appear along the bottom of the display.
LIGHT
MENU
GPS
Indicator
GPS
AUTO
SAVE
2D
3D
ALM
SIG
BATT
Description
• Watch is in the GPS Mode.
• Flashes when the watch is performing a GPS measurement
operation.
Watch is in the GPS Auto or Continuous Mode.
Watch is in the GPS One-shot or Auto Mode.
Watch is performing a 2-dimensional GPS measurement (using
three satellites). This is the type of measurement normally used
in the Quick, One-Shot, and Auto Mode.
Watch is performing a 3-dimensional GPS measurement (using
four or more satellites), which provides better accuracy than
2D. This is the type of measurement used in the Continuous
Mode when data is obtained from four or more satellites.
Alarm is turned on.
Hourly Time Signal is turned on.
Battery power is low and battery needs to be replaced.
Precautions
• The measurement functions built into this watch are not intended for
use in taking measurements that require professional or industrial
precision. Values produced by this watch should be considered as
reasonably accurate representations only.
• Though a useful navigational tool, a GPS receiver should never be used as
a replacement for conventional map and compass techniques. Remember
that magnetic compasses can work at temperatures well below zero, have
no batteries, and are mechanically simple. They are easy to operate and
understand, and will operate almost anywhere. For these reasons, the
magnetic compass should still be your main navigation tool.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss or
any claims by third parties that may arise through the use of this watch.
GETTING ACQUAINTED
• Use MENU and GPS to change between modes.
• In the GPS Mode, use L and K to change between screens.
• The watch beeps whenever you press a button to change to another mode
or screen.
Timekeeping Mode Alarm Mode
Menu Screen
Graphical Navigation
Screen
GPS Mode
Position Screen Plot Screen
Direction and Speed
Screen
Press L or K.
Press GPS.
Press L.
Press K.
Press GPS.
Press MENU.
Press GPS. Press MENU.
K
K
K
LL
L
• You cannot go from the Menu Screen to the GPS Mode after displaying the
Menu Screen from the Timekeeping Mode or Alarm Mode. To get to the
GPS Mode in this case, you have to press GPS to return to the
Timekeeping Mode (or Alarm Mode) and then press GPS again to enter the
GPS Mode.
Press GPS.

Summary

Using the Menu Screens

Setting Current Time and Date

Step-by-step guide to accurately set the watch's time and date.

GPS Mode Operations

Initial GPS Setup and Measurement

Steps to configure GPS settings and perform a position measurement.

GPS Measurement Modes Explained

Details on different modes affecting measurement speed and battery life.

GPS Measurement Modes

GPS Data Screens

Plot Screens and Map Screen Usage

Using plot screens to track progress and map screen for grid cell navigation.

Map Screen Navigation

Waypoint Plot Screen

GPS Measurement with Waypoint Plot Screen

How current position is displayed on the waypoint plot screen.

Graphical Navigation and Direction Screens

GPS Measurement with Graphical Navigation

How position data is shown on graphical navigation screens.

Landmark List Management

Adding Landmarks to the LMK List

Landmark Editing and Deletion

Editing a Landmark

Deleting a Landmark

Using Waypoints

Defining and Managing Waypoints

Procedures for setting, adding, inserting, changing, and deleting waypoints.

Track Memory

GPS Mode Settings

Setting Your Area

How to specify the current geographic area for accurate GPS measurements.

Setting a Datum

How to select the appropriate map datum for precise positioning.

Unit Settings

Setting Distance and Speed Units

REFERENCE Section

Power Requirements and Battery Replacement

Information on battery type, replacement procedure, and power management.

Displaying GPS Satellite Information

Satellite Information Display and Marks

GPS Mode Details

LANDMARK LIST

Casio 1840 Specifications

General

Brand	Casio
Model	1840
Category	Watch
Language	English