Oregon Scientific EB833 User Manual

• About The Pressure Change Graph .................... 11  
• Pressure History Display ...................................... 11  
• Notes On Barometer Functions ........................... 11  
General Operation Of Time And Date Functions 12  
• Time And Date ..................................................... 13  
• Daily Alarm ........................................................... 13  
• Deactivating The Alarm ........................................ 14  
• Count-Up Timer ................................................... 14  
• Temperature Display ............................................ 14  
Resetting The Unit ................................................ 14  
Maintenance .......................................................... 15  
Specifications........................................................ 15  
About Oregon Scientific ....................................... 17  
Altimeter / Barometer  
with  
Weather Forecasts and Clock /  
Calendar  
Model: EB833  
User’s Manual  
TABLE OF CONTENTS  
Introduction ............................................................. 2  
Description Of Parts ............................................... 2  
Installing And Replacing Batteries........................ 3  
General Operation Of The Altimeter...................... 4  
• Altitude Calibration ................................................. 6  
• Units Of Measurement For Altitude ........................ 6  
• About The Altitude Change Graph ......................... 6  
• Altitude History Display .......................................... 7  
• About Altitude Change Memory ............................. 7  
• Clearing Altitude Memory, Max / Min Altitude  
Memory, And Vertical Ascent / Decent Memory .... 7  
• The Altitude Alarm ................................................. 8  
• Altitude Sampling Rate .......................................... 8  
• Notes On Altimeter Functions ................................ 9  
General Operation Of Barometer And Weather  
Forecast Functions ................................................. 9  
• Barometric Pressure Calibration .......................... 10  
• Units Of Measurement For Barometric Pressure . 10  
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[BARO] Barometer Button  
- Alternates between Barometric displays  
TIME Button  
Hand Grips  
Ž
- Rubberized grips that prevent the unit from being  
accidentally dropped  
- Alternates between Time displays  
[+ -] Button  
Wall-Mount Bracket  
- to mount unit to wall or vertical surfice  

- Changes the value of a setting  
- Clears memories  
- Activates / deactivates alarm  
- Selects units of measure  
- Switches from fast to slow sampling rate  
Battery Compartment  
INSTALLING AND REPLACING OF  
BATTERY  
The EB833 operates with 2 (two) CR-2032 Lithium  
batteries that are included with all new units. During  
initial packaging, the batteries were insulated with a red  
tape so as to maximize the shelf life of the product.  
Before use, remove the insulation tape by gently pulling.  
- Houses 2 (two) CR-2032 batteries  
- RESET Button  
Sensor Vents  
- Openings for atmospheric sensitive sensors  
Neck Cord  
Upon removal, the display will show a full-segment  
display for 3 seconds; it will then enter the Normal  
Altitude Display.  
- Facilitates carrying around the neck or attached to  
a rucksack or belt  
FULL SEGMENT DISPLAY  
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Follow these steps to install or replace batteries:  
1. Open battery cover located at the back of the unit by  
removing screws.  
GENERAL OPERATION OF THE ALTIMETER  
Subsequently, the unit can be set to show changes in  
altitude and maximum / minimum elevations. It can store  
altitude-related data and display elevation trends over a  
12-hour period of time. The unit can also display the net  
total of accumulative ascents.  
In Altimeter Mode, by detecting changes in air pressure,  
the EB833 determines  
a
given altitude level.  
2. Insert 2 (two) new CR-2032 Lithium batteries.  
A small  
icon indicates that the unit is in Altimeter  
Mode and that the displays are altitude related.  
To view display sequences in Altimeter Mode:  
1. Press [ALT] to move between various Altimeter  
Mode displays.  
3. Replace the battery cover.  
Normal Altitude Display  
A battery-low indicator [ BATT ] will show on the display  
The first display in Altimeter Mode.  
when the batteries require changing.  
NOTE If the unit is being used for the first time, it will  
automatically enter the Normal Altimeter Display.  
Display shows:  
Itisrecommendedthatwhentheuserisstationaryatone  
elevation, that the unit is placed in Barometer Mode. The  
Altimeter Mode may shorten battery life. Stored altitude  
relateddataisnotaffectedbyhavingtheunitinBarometer  
Mode for extended periods of time.  
CURRENT  
ALTITUDE  
ICON  
ALTITUDE  
CURRENT  
TIME  
ALTITUDE  
TREND  
NOTE Disposed of improperly, batteries can be  
harmful. Protect the environment by taking  
exhausted batteries to authorized disposal  
stations.  
GRAPH  
CURRENT  
TEMPERATURE  
NORMAL ALTITUDE DISPLAY  
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4. Press [ALT] again, Altitude History Display.  
2. Press [ALT] to view the Altitude Max Memory  
Display show:  
Display.  
Display shows:  
CURRENT ALTITUDE  
ALTITUDE CHANGE  
INDICATOR  
CORRESPONDING  
ALTITUDE LEVEL AT  
THE INDICATED  
TIME  
CHANGE IN  
ALTITUDE  
ACCUMULATIVE  
VERTICAL  
MAXIMUM  
ALTITUDE  
REACHED  
ONE HOUR  
ASCENT ICON  
PREVIOUS*  
ALTITUDE HISTORY DISPLAY  
THE  
ACCUMULATIVE  
VERTICAL  
* Previous altitude levels can be displayed for up to  
12-hours.Press[+]or[-]todisplaypreviousaltitude  
levels at one-hour intervals for the past 12-hours.  
ALTITUDE MAX MEMORY  
DISPLAY  
ASCENT MEMORY  
5. Press[ALT]againtoviewtheAltitudeAlarmDisplay.  
Display shows:  
3. Press [ALT] again, to view the Altitude Min Memory  
ALARM DISPLAY  
INDICATOR  
Display.  
Display shows:  
ALARM ON/OFF  
INDICATOR  
ALTITUDE LEVEL  
WHERE THE ALARM  
WILL ACTIVATE  
CHANGE IN  
ALTITUDE  
ACCUMULATIVE  
VERTICAL  
CURRENT  
CURRENT  
TIME  
TEMPERATURE  
DECENT ICON  
MINIMUM  
ALTITUDE  
REACHED  
ALTITUDE ALARM DISPLAY  
ACCUMULATIVE  
VERTICAL  
DECENT  
ALTITUDE MIN MEMORY  
DISPLAY  
6. Press [ALT] again, the unit will return to the Normal  
MEMORY  
Altitude display.  
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UNITS OF MEASUREMENT FOR ALTITUDE  
ALTITUDE CALIBRATION  
Altitude measurements can be displayed in feet (ft) or  
meters (m).  
If the altitude on the display is different from the actual  
current altitude, the unit can be manually calibrated to  
reflect the true altitude level.  
To change the altitude units of measure:  
1. In Normal Altitude Display.  
To calibrate the altitude:  
2. Simultaneously, press and hold the [+] and [-] to  
select between meters or feet.  
1. In Normal Altitude Display.  
2. Press and hold [ALT] and [TIME] simultaneously for  
about2seconds. TheCALHxindicatorshowsonthe  
display and the current altitude digits start flashing.  
3. Press [+] or [-] to adjust the altitude reading by 1  
meter. For rapid acceleration of measurement  
adjustments, press and hold.  
ABOUT THE ALTITUDE CHANGE GRAPH  
InNormalAltitudeDisplay,theEB833graphicallydisplay  
altitude levels at 2-hour time intervals for the past 12  
hours. Each vertical bar on the altitude graph represents  
a 2-hour time period. Each horizontal line represents  
pressure changes equal to + /- 200m.  
4. Press [ALT] to confirm and return to the Altitude  
Display.  
Example:  
Point C: A point where the altitude, as indicated by a  
marking stone or post, is 1500m. At this point  
set the current altitude to 1500m.  
( 2 HOURS PER COLUMN )  
NOTE The unit will return to Normal Altimeter Display if  
no buttons are pressed for one-minute during the  
calibration sequence.  
The Altitude Change Graph is viewed in all the Altimeter  
Mode displays.  
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Point B: Atthispoint,checktheAltitudeChangeMemory.  
The unit will display the net vertical difference  
between point A and point B.  
ALTITUDE HISTORY DISPLAY  
In addition to having altitude information displayed as a  
graph,altitudehistorycanalsobedisplayednumerically.  
To numerically display previous altitude levels:  
1. Enter the Altitude History Display  
CLEARING ALTITUDE MEMORY, MAX / MIN  
ALTITUDE MEMORY, AND VERTICAL  
ASCENT / DECENT MEMORY  
2. Press [+] or [-] to display the corresponding altitude  
history for a specified time period up to –12 hours.  
Altituderelatedmemoriesareclearedsequentially.During  
the sequence, correct information can be bypassed by  
pressing [ALT].  
ABOUT ALTITUDE CHANGE MEMORY  
The EB833 can monitors the change in altitude between  
two points. The unit displays the net vertical difference  
between points of a descent / ascent. Upon clearing the  
altitude memory, the current altitude reading is used as  
a base from which the unit starts recording changes.  
NOTE To clear the maximum altitude reached memory,  
first enter MAX Altitude Display. Alternately, enter MIN  
Altitude Display to clear the minimum altitude reached  
memory.  
To clear Altitude Mode Memories:  
Point A: Atthispoint, resettheAltitudeChangeMemory  
to 0 m./ ft. The EB833 will immediately start  
recording new changes in altitude.  
1. Enter Altitude Max (or Altitude Min) Display.  
2. Press and hold [ALT] for about 2 seconds, the  
change-in-altitude digits flash.  
NOTE To bypass any section without making changes  
to the memory, press [ALT].  
3. Press [+] or [-], the change-in-altitude digits will reset  
to 0 m./ft.  
4. Press [ALT], and proceed to the maximum (or  
minimum) height reached memory. The subsequent  
maximum (or minimum) altitude digits flash.  
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5. Press [+] or [-], the memory resets to the current  
actual altitude.  
activate at the specified elevation.  
7. Press [ALT] again and the Altimeter exits the setting  
sequence. If the alarm is set to activate at a specified  
6. Press[ALT],andproceedtotheaccumulative vertical  
ascent  
/
decent memory. The subsequent  
altitude, the  
will be displayed.  
accumulative vertical ascent / decent digits flash.  
7. Press [+] or [-], the vertical ascent / decent memory  
resets to 0 m. / ft.  
NOTE The unit will return to the Altimeter Display if no  
buttons are pressed for 2 minutes.  
The altitude alarm setting ranges is between –500m and  
8. Press [ALT] a last time and the unit returns to the  
Altitude Max (or Min) Memory Display.  
7000m.  
NOTETheEB833willreturntoAltitudeMax/MinMemory  
Display if no buttons are pressed for 1 minute.  
ALTITUDE SAMPLING RATE  
The EB833 automatically samples altitude level at a rate  
of 2 seconds or 15 minutes.  
THE ALTITUDE ALARM  
The Altitude Alarm can be set to activate when a specific  
altitude is reached.  
When detecting a significant change in altitude, the unit  
will automatically increase the Altitude Sampling Rate to  
2-second intervals.  
To set the altitude alarm:  
1
Enter Altitude Alarm Display.  
2. Press and hold [ALT] for above 2 seconds. The  
When maintained at the same elevation for 10 minutes  
or longer, the device will automatically decrease the rate  
at which altitude samples are taken.  
indicator will display.  
3. Press the [+] and [-] to increase / decrease the  
altitude reading. Press and hold for 100-meter  
acceleration increments.  
To manually force a change in the frequency at  
which altitude samples are taken:  
4. Press [ALT]  
1. In Normal Altimeter Display.  
5. Press [+] or [-] to deactivate the alarm (the  
2. Press and hold (+) for about 2 seconds. The Altitude  
Sampling Rate will increase to 2-second intervals.  
3. Press and hold (-) for about 2 seconds. The Altitude  
Sampling Rate will decrease to 15-minute intervals.  
indicator disappears) or [+] or [-] to activate the alarm  
(
indicator appears).  
6. Press[ALT],theALTALARM indicatorstopsflashing.  
The  
indicator will appear and the alarm will  
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NOTES ON THE ALTIMETER FUNCTIONS  
BAROMETER AND WEATHER FORECAST  
FUNCTIONS  
Altitudereadingsmaybeaffectedbyairpressurechange.  
Sudden changes in pressure, temperature and weather  
may cause an inaccurate altitude reading.  
InBarometricMode,bydetectingchangesinairpressure,  
this unit makes weather predictions. Illustrated weather  
forecasts symbols indicate forecasts as sunny, slightly  
cloudy, cloudy, and rainy.  
The unit cannot distinguish between change of air  
pressure caused by a weather change or by an altitude  
change. However, accurate functioning of the unit can  
be maintained by following a few simple steps.  
LCD  
DISPLAYS  
ON THE  
UNIT  
To ensure that accurate altitude readings are  
maintained:  
RAINY  
SUNNY  
SLIGHTLY CLOUDY  
CLOUDY  
FORECAST  
-
-
-
At the start of a journey, switch the unit to the  
AltimeterDisplayMode.Thelastbarometricpressure  
willremainstoreduntiltheunitisswitchedbacktothe  
Barometer Display Mode.  
Displayedforecastsymbolsareintendedindicateweather  
forecasts for the coming 12 to 24 hours. The radius of the  
forecast is approximately 30 to 50 km.  
When a journey is completed, or if the unit is  
maintainedatthesamealtitudeforextendedperiods,  
itisrecommendedtoswitchtotheBarometerDisplay  
Mode.  
Asmall  
iconindicatesthattheunitisinBarometric  
Mode and that the displays are barometer related.  
NOTE  
If a journey is particularly long or extended over a  
long distance of varying altitudes, occasionally  
compare the unit’s displayed altitude against known  
actual altitudes. If necessary, manually calibrate the  
altitude to maintain correct altitude readings.  
1. The accuracy of weather forecasts, when only using  
atmospheric pressure trends, are approximately 70  
to 75 percent.  
2. The weather forecasts from this unit are predictions  
that cover the next 12 to 24 hours. It may not  
necessarily reflect the current situation.  
3. The "Sunny" icon, as applies to nighttime, implies  
clear weather.  
GENERAL OPERATION OF THE  
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To View Different Displays in Barometric Mode:  
* Previous barometric levels can be displayed for up  
to 12 hours. Press [+} or [-] to display previous  
barometric levels at one hour intervals for the past  
12 hours.  
1. Press[BARO]tomovebetweenbarometricfunctions.  
Normal Barometric Display  
The first display in Barometric Display Mode.  
3. Press [BARO] again, to return to the Normal  
Barometer Display.  
NOTE TheunitwillautomaticallyenterNormalBarometric  
Display when first entering the Barometric Mode.  
Display shows:  
BAROMETRIC CALIBRATIONS  
BARO ICON  
CURRENT  
At sea level or near a reliable source like a weather  
station, the barometer can be calibrated.  
PRESSURE  
PRESSURE  
CHANGE  
TREND  
To calibrate the barometric function:  
1. Enter Normal Barometric Display.  
WEATHER  
FORECAST  
GRAPH  
INDICATORS  
2. Simultaneously press and hold [BARO] and [TIME]  
for about 2 seconds. The “CAL Po” will be displayed  
and the current barometric digits will flash.  
3. Press [+] or [-] to adjust barometric readings.  
4. Press [BARO] to return to the Barometric Display  
Mode.  
CURRENT  
CURRENT  
TIME  
TEMPERATURE  
NORMAL BAROMETRIC DISPLAY  
2. Press [BARO] again to view the Barometric  
Pressure History Display  
Display shows:  
UNITS OF MEASURE FOR BAROMETRIC  
PRESSURE  
CORRESPONDING  
BAROMETRIC  
PRESSURE  
Barometric units of measurement can be displayed as  
mb, hpa, and inHg.  
LEVEL AT THE  
ONE HOUR  
PREVIOUS*  
INDICATED TIME  
To change the units of measurement:  
1. Enter the Normal Barometric Display.  
BAROMETRIC HISTORY DISPLAY  
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2. Simultaneously press and hold [+] and [-] for about 2  
seconds.  
PRESSURE HISTORY DISPLAY  
Barometric pressure readings can also be displayed  
numerically.  
3. Simultaneously press again until the desired units  
have been selected.  
Tonumericallydisplaypreviousbarometricpressure  
levels:  
ABOUT THE PRESSURE CHANGE GRAPH  
1. Enter Barometric History Display.  
2. Press[+]or[-]todisplaythecorrespondingbarometric  
pressure for the specified time period.  
The EB833 can display barometric pressure levels at  
intervals for the past 12 hours. Each vertical bar on the  
PressureChangeGraphrepresentsa2-hourtimeperiod.  
Each horizontal line represents pressure change equal  
to + / - 2 mb/hPa.  
NOTES ON THE BAROMETER FUNCTIONS  
Barometer readings may be affected by a change in  
altitude.  
The unit cannot distinguish between a change in air  
pressure caused by weather patterns or by a change in  
altitude. However, accurate functioning of the unit can  
be maintained by following a few simple steps.  
( 2 HOURS PER COLUMN )  
To ensure that accurate barometric readings are  
maintained:  
An upward or downward direction of the vertical bars  
may illustrate a changing pressure trend. Subsequently,  
this may indicate changes in weather conditions.  
However, as stated previously, caution needs to be  
taken when attempting to predict weather forecasts.  
When the unit is stationed at the same elevation for  
extended periods, it is advised to keep the unit in  
Barometer Mode.  
In addition to maximizing the weather forecasting  
capabilities the unit requires less power to function.  
Subsequently battery life may be extended.  
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2. Press [TIME] to view the Current Date / Month  
GENERAL OPERATION OF THE TIME AND  
DATE FUNCTIONS  
Display.  
Display shows:  
The EB833 has a Time and Date Mode. This mode also  
includes a count-up timer and daily wakeup alarm.  
CURRENT DATE / MONTH  
CURRENT  
The Time and Date Mode only affects the third line of the  
LCD.  
TEMPERATURE  
DATE MONTH DISPLAY  
To View Different Time and Date Mode displays:  
1. EnterNormalAltimeterDisplayorNormalBarometer  
Display to view current time.  
3. Press [TIME] again to view the Alarm Time Display  
Normal Time Display  
Display shows:  
The first display in Time and Date Mode.  
ALARM TIME  
NOTE  
CURRENT  
-
-
Normal Time Display is the third line of either the  
NormalAltitudeDisplayorNormalBarometerDisplay.  
Only the third line of the LCD will change in Time  
Date Mode.  
TEMPERATURE  
ALARM TIME DISPLAY  
Display shows:  
4. Press [TIME] again to view the Timer Display  
Display shows:  
CURRENT TIME  
COUNT-UP TIME  
CURRENT  
CURRENT  
TEMPERATURE  
TEMPERATURE  
NORMAL TIME DISPLAY  
TIMER DISPLAY  
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12. Press [TIME] again, minute digits start flashing.  
13. Press [+] or [-] to increase / decrease the minute  
digits.  
NOTE The unit will return to Normal Barometer Display  
orAltitudeDisplayifnobuttonsarepressedfor1minutes  
during setting sequence.  
TIME AND DATE  
The current time and date can be set sequentially.  
To Set the Current Date and Time:  
1. Enter Normal Altitude Display or Normal Barometer  
Display.  
14. Pressing [TIME] a last time to exit.  
2. Press and hold [TIME] for 2 seconds, the EU or US  
indicator starts flashing.  
DAILY ALARM  
The EB833 has a daily alarm that can be programmed to  
activate at the same time each day.  
To Set the Alarm Time:  
1. Enter Alarm Time Display  
3. Press [+] or [-] to select US for US format shown as  
month / date or EU for European format shown as  
date / month.  
2. Press and hold [TIME] for 2 seconds, the [ ] icon  
will be displayed and the [ALARM] indicator and the  
hour digits start flashing.  
4. Press [TIME] again, the current month flashes.  
5. Press [+] or [-] to increase / decrease the month  
digits. For rapid acceleration of the digits, press and  
hold.  
6. Press [TIME] again, the current date flashes.  
7. Press [+] or [-] to increase / decrease the date digit.  
8. Press [TIME] again, the 12-hour or 24-hour indicator  
starts flashing.  
9. Press [+] or [-] to select between 12-hour or 24-hour  
time format.  
3. Press [+] or [-] to increase / decrease the hour digits.  
4. Press [TIME] again, the minute digits flash.  
10. Press [TIME] again, the hour digit starts flashing.  
11. Press [+] or [-] to increase / decrease the hour digit.  
5. Press[+]or[-]toincrease/decreasetheminutedigit.  
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6. Press [TIME] again to set and activate / deactivated  
the alarm.  
4. To reset the timer to 0, press [+] to stop the timer and  
then press [-].  
7. Press [+] or [-] to select between activation and  
deactivation. The alarm icon will only appear when  
the alarm is set.  
TEMPERATURE DISPLAY  
8. Pressing [TIME] a last time to exit. The ALARM  
indicator stops flashing.  
The current temperature is displayed in all three display  
modes. The temperature can be displayed as Celsius  
(°C) and Fahrenheit (°F).  
NOTE If no buttons are pressed for 2 minutes during  
setting sequence, the unit will return to Alarm Time  
Display.  
To select the units of measure for the temperature  
display:  
1. Enter Date/Month Mode.  
2. Press and hold [+] or [-] for about 2 seconds to  
DEACTIVATING THE ALARM  
change the units of measure.  
When the alarm time is reached the alarm will sound for  
1 minute.  
RESETTING THE UNIT  
To stop the alarm:  
Located inside the battery compartment is a RESET  
Button. Using a blunt object such as a paper clip, press  
RESET to return all settings to the factory values.  
Pressing any button can stop the alarm sound.  
COUNT-UP TIMER  
The button is required only when the unit is not operating  
in a favorable way, such as in the rare case of a  
malfunction.  
The unit comes with a count-up timer and can count up  
to 99 hours 59 minutes and 59 seconds.  
To start, stop, and reset the timer:  
NOTE After resetting the unit all memories and data will  
1. Enter Timer Display.  
be cleared.  
2. Press [+] the timer starts counting.  
3. Press [+] again, the timer stops. To start the timer  
again without clearing the elapsed time, press [+].  
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MAINTENANCE  
SPECIFICATIONS  
When handled properly, this unit is engineered to  
give you years of satisfactory service. Here are a few  
product care instructions:  
Operating Temperature  
Range  
-10°C to 60°C  
(-14°F to 140°F)  
Altimeter Functions  
1. Do not immerse the unit in water. If the unit comes in  
contact with water, dry it immediately with a soft lint-  
free cloth.  
Range  
-500 m to +7000 m  
Resolution  
1 m / 1 ft  
2. Do not clean the unit with abrasive or corrosive  
materials. Abrasive cleaning agents may scratch the  
plastic parts and corrode the electronic circuit.  
3. Do not subject the unit to excessive: force, shock,  
dust, temperature, or humidity. Such treatment may  
result in malfunction, a shorter electronic life span,  
damaged batteries, or distorted parts.  
Sampling rate  
2 sec (normal mode)15min  
(sleep mode: same level for  
more than 15 min.)  
Range  
60,957 m / 199,999 ft  
4. Do not tamper with the unit’s internal components.  
Doing so will terminate the unit’s warranty and may  
causedamage.Theunitcontainsnouser-serviceable  
parts.  
Units of measure  
m or ft  
Barometer Functions  
Range  
400 mb/hPa to 1070 mb/  
5. Onlyusenewbatteriesasspecifiedinthisinstruction  
manual. Do not mix new and old batteries as the old  
batteries may leak.  
hPa  
Resolution  
1mb/hPa (0.03inHg)  
Sampling rate  
15 minutes  
Units of measure  
mb/hpa or inHg  
Thermometer Functions  
Range  
-40°C to 70°C  
(-40°F to 158°F)  
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Resolution  
0.1°C (0.2°F)  
10 seconds  
°C or °F  
CAUTION  
Sampling rate  
Units of measure  
-
-
-
The content of this manual is subject to change  
without further notice.  
Due to printing limitations, the displays shown  
in this manual may differ from the actual  
displays.  
Calendar Clock Functions  
Calendar  
Date/month (European  
format) or month/Date  
(US format)  
The manufacturer and its suppliers hold no  
responsibilities to you or any other person for  
any damages expenses, lost profits, or any  
other damages arise by using this Altimeter.  
The contents of this manual may not be  
reproduced without the permission of the  
manufacturer.  
Clock time  
12-hour AM /PM format or  
24-hours format  
-
Time resolution  
1 second  
Timer Functions  
Range  
counts up to 99 hours,  
59 minutes, 59 seconds  
Resolution  
1 second  
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ABOUT OREGON SCIENTIFIC  
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reach us, as well as frequently asked questions and  
customer downloads.  
We hope you will find all the information you need on our  
website, however if you'd like to contact the Oregon  
Scientific Customer Care department directly, please  
visit: www2.oregonscientific.com/service/support  
OR  
Call 949-608-2848 in the US.  
For international enquiries, please visit:  
default.asp  
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© 2004 Oregon Scientific. All rights reserved.  
P/N: 086-001667-234  
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Altimeter / Barometer  
With  
Weather Forecasts And Clock / Calendar  
Model: EB833  
User Manual  
19  
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