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Welcome message, overview of the Alterra/Aerial instrument features and its technical nature.
Essential safety guidelines and warnings for using the watch during physical activities and near water.
Detailed steps for safely replacing the CR2032 lithium battery to maintain water resistance.
Explanation of various symbols displayed on the watch for weather, time, altimeter, and barometer functions.
Understanding the two primary key interaction methods: quick presses and press-and-hold operations.
Guides on entering programming sequences and adjusting variables using watch keys.
Navigating through different watch modes like Time, Compass, Barometer, and Altimeter.
How to advance variables, exit programming, and activate the backlight using specific keys.
Instructions for displaying and changing between Time Zone 1 and Time Zone 2.
Step-by-step guide to accurately set the watch's hour, minute, seconds, date, and 12/24 hour format.
Exploring four additional display options for time, showing temperature, altitude, or pressure.
Understanding the display elements for the digital compass, including heading and degrees.
Procedure for calibrating the compass for accurate readings, including leveling and rotations.
How to adjust the compass for magnetic declination to align with true north.
Simple method to re-enable the compass display after it times out for power saving.
Steps to set the barometer, including weather icons and potential adjustments to sea level pressure.
Overview of four alternative screens displaying barometric pressure trends and related data.
Understanding the 24-hour graph of barometric pressure changes.
Instructions for switching between inches of Mercury (inHg) and millibars (mbar/hPa).
How to select between Fahrenheit and Celsius for temperature display.
Procedure for calibrating the altimeter to a known altitude and setting the altitude alarm.
Guide to pre-setting altitudes for three specific locations for quick calibration.
Steps to recall and apply a pre-set altitude to the altimeter.
Description of four alternative altimeter display screens showing various altitude data.
How to switch altitude display between feet and meters.
Explanation of the automatic altitude lock and how it functions.
Instructions on how to initiate and terminate the altimeter data logging feature.
Procedure for clearing individual or all logged altimeter data files.
Guide to accessing and viewing recorded altitude data, including ascent and descent rates.
Definition of lap and split times in the chronograph function.
How to start, time laps/splits, and stop the chronograph function.
Storing and organizing recorded runs and workouts in the chronograph memory.
Accessing detailed lap and split times, best lap, and average lap information.
Procedure for deleting individual runs/workouts or all stored chronograph data.
Overview of the ski chronograph display, including current altitude and base altitude.
Instructions for automatically or manually storing a base altitude for ski run timing.
How to start, time, and stop ski runs, and what data is displayed upon completion.
Method to activate or deactivate the daily alarm settings.
How to choose between setting Alarm 1 or Alarm 2.
Step-by-step instructions for setting the hour, minute, and chime for the daily alarm.
Procedure for performing a factory reset of the watch to default settings.
Detailed list of ranges and resolutions for Altimeter, Barometer, Chronograph, Thermometer, and Compass.
Identifying weak battery symptoms like display fading or inaccurate sensor readings.
Understanding how EMI and extreme temperatures can affect watch performance.
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