Contents
Precautions
Operating Precautions
User Maintenance
Battery
Before Getting Started...
General Guide
Indicators
Navigating Between Modes
Mode Overview
Charging
Viewing the Face in the Dark
Time Adjustment
Time Adjustment Using a Time Signal
Overview
Appropriate Signal Reception Location
Time Signal Reception Ranges
Auto Time Calibration Signal Receive
Enabling and disabling Auto Receive
Manual Time Calibration Signal Receive
Receive Level Indicator
Checking the Last Time Adjustment
Result
Signal Reception Precautions
Using Watch Operations to Adjust the Time
Setting
World Time
Checking World Time
Specifying a World Time City
Alarm and Hourly Time Signal
Configuring Alarm Settings
Configuring the Hourly Time Signal Setting
Turning Off an Alarm or the Hourly Time Signal
Digital Compass
Taking a Compass Reading
Saving a Bearing to an Objective (Bearing
Memory)
Calibrating Compass Readings
Calibrating Compass Readings
Setting Up for True North Readings
(Magnetic Declination Calibration)
Digital Compass Reading Precautions
Altitude Measurement
Checking the Current Altitude
Calibrating Altitude Readings (Offset)
Setting a Reference Altitude and Taking
Altitude Differential Readings
Setting the Measurement Interval for Auto
Record Data and Climb Record Data
Changing Displayed Information
Recording Altitude Readings
Specifying the Altitude Measurement Unit
Altitude Reading Precautions
Barometric Pressure and
Temperature Measurement
Measuring Barometric Pressure and
Temperature
Checking Changes in Barometric Pressure
Over Time
Checking the Change Between Two
Barometric Pressure Readings (Barometric
Pressure Differential)
Sudden Barometric Pressure Change
Indications
Correcting Measured Barometric Pressure
and Temperature Values (Offset)
Specifying the Barometric Pressure Unit
Specifying the Temperature Measurement
Unit
Barometric Pressure and Temperature
Reading Precautions
Viewing Altitude Records
Viewing Recorded Data
Deleting Data
Sunrise and Sunset Times
Looking Up Today’s Sunrise and Sunset
Times
Looking Up Sunrise and Sunset Times by
Specifying a Day
Looking Up Sunrise and Sunset Times by
Specifying a Location
Stopwatch
Measuring Elapsed Time
Measuring a Split Time
Timing the First and Second Place Finishers
Timer
Setting a Start Time
Using the Timer
Other Settings
Enabling the Button Operation Tone
Configuring Power Saving Function Settings
Other Information
City Table
Specifications
Troubleshooting
Watch Operation Guide 3553
1
MA2310-EB
OPUM-H
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