SKI CHRONOGRAPH Setting the Ski Chronograph 15-16 Storing a Base Altitude Operating the Ski Chronograph DAILY ALARM Turning Alarm On/Off Selecting alarm 1 or 2 Setting the Daily Alarm RESETTING THE WATCH SPECIFICATIONS AND RANGES TROUBLE SHOOTING 21-22 23-24 alterra/aerial...
The Aerial unit features an altimeter/barometer/weather station along with a full selection of advanced watch and chronograph functions. The Alterra has all the features of the Aerial with the addition of a highly accurate digital compass.
CARE AND MAINTENANCE Your ALTERRA/AERIAL OUTDOOR WRIST INSTRUMENT should be protected from shocks, extreme heat and extended exposure to direct sunlight. You should only perform service procedures related to the changing of the battery as shown in this manual. NEVER service your watch.
ALTIMETER ALARM Altimeter Alarm is active BAROMETER ICONS symbol description what it means MBAR Millibar barometric pressure units INHG Inches of Mercury barometric pressure units DEGREES F Fahrenheit temperature units DEGREES C Centigrade temperature units SEA LEVEL BAROMETER SCREEN IDENTIFIER alterra/aerial...
KEYS AND THEIR FUNCTIONS The Alterra/Aerial unit is equipped with 5 individual keys. Each key has several functions. The drawing identifies the keys and their names as used in this manual. S5 KEY - Enter/Exit Setting mode for each function...
1.5 seconds before advancing automat- ically to the mode’s primary screen. QUICK of the key. The backlight will key. If, while the backlight is QUICK PRESSES of the key. Upon entering a mode, the TIME COMPASS (Alterra only) BAROMETER ALTIMETER alterra/aerial...
ALTIWARE SERIES TIME FUNCTIONS VIEW TIME ZONE 1 / TIME ZONE 2 The Alterra/Aerial unit is equipped with a full feature wrist watch package including Time of Day, Day/Date/Day of Week, Two Time Zones and Two Daily Alarms. The Time Zone being displayed is indicated by a small T1/T2 in the lower left corner of the display.
Top Line: CURRENT ALTITUDE Center Line: TIME OF DAY Bottom Line: DAY AND DATE SCREEN 4 Top Line: TIME OF DAY Center Line: GRAPH OF BAROMETRIC PRESSURE FOR THE PAST 24HOURS (see pg 21 Barometric pressure graph) Bottom Line: TEMPERATURE alterra/aerial...
Magnetic Declination. QUICK REACTIVATING COMPASS To save power, the compass feature of the Alterra unit only remains active for a period of 30-seconds. To reactivate the compass display, (continued) keys. Set and advance key. key. http://www.gsc.nrcan.gc.ca/geomag/field/mdcalc_e.php http://www.ngdc.noaa.gov/seg/geomag/jsp/Declination.jsp QUICK PRESS key. alterra/aerial...
BAROMETER The Alterra and Aerial are equipped with a highly sensitive barometer/weather station. The BAROMETER measures the Absolute Barometric Pressure and calculates the Barometric Pressure corrected to Mean Sea Level (MSL). Barometric pressure may be displayed in either Inches of Mercury (inHg) or Millibar/HectoPascals (mbar/hpa).
Continue to hold the key until the temperature units icon stops flashing. NOTE: The TEMPERATURE or BAROMETRIC PRESSURE units chosen while in the BAROMETER mode will be the units displayed in the TIME OF DAY and ALTIMETER modes. key. alterra/aerial...
13. Exit the ALTIMETER CALIBRATION sequence using a SETTING THE ALTIMETER PRESETS The Alterra/Aerial is equipped with three altimeter preset locations. Preset Locations are useful in the daily calibration process. If you know the exact altitude of a particular place, you can preset your Alterra/Aerial to this location for quick calibration.
OVER TIME ALTITUDE LOCK If the altitude does not change significantly for a period of 30- minutes the Alterra/Aerial unit will automatically activate the ALTITUDE LOCK function. ALTITUDE LOCK is INDICATED BY THE WEATHER ICONS APPEARING ON THE ALTIMETER DISPLAY. When the unit enters the Altitude Lock mode, the altitude at that time is locked in memory and will not change in response to gradual external barometric pressure changes.
Starting in the LOG DATA screen The watch will automatically display the most recent ALTIMETER LOG FILE recorded with the LOG NUMBER in the center line of the display and the Date of the file in the upper and lower lines.
OPERATING THE CHRONOGRAPH TIMING LAPS AND SPLITS (50) The Alterra/Aerial unit is capable of timing up to 50 LAPS and SPLITS. These can be stored in any combination in up to 20 individual Runs or workouts. While the CHRONOGRAPH is running, the top line will display the number of the current lap, the middle line will show the time for the current lap and the bottom line will show the current split time.
The display will HOLD key until the message in the lower line changes from the RUN RELEASE key before the ALL indication stops PRESS & HOLD key while the ALL message is displayed in the lower line. When ALL alterra/aerial...
SKI CHRONOGRAPH The Alterra/Aerial units are equipped with a timer system which is started at the top of a run and will track the time of your ski runs back to the base, stopping at a preset base altitude. SETTING THE SKI CHRONOGRAPH...
DAILY ALARM The Alterra/Aerial is equipped with two individual daily alarms which can be set to the hour and minute for either Time Zone 1 or Time Zone 2. TURNING AN ALARM ON/OFF 1. Start in ALARM mode. 2. The top line of the display will show the CURRENT TIME...
If you try a new battery and problems persist, please try a second battery from another source, just to be certain. If the battery on the watch unit of the Alterra/Aerial is failing it may show itself in several ways. Indications of a weak battery are: 1.
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