Celestron 48003 Owner's manual

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Features

• DigitalCompassfunctionprovides

degree,northpointingarrowand

cardinalpointreadings.Compass

Range:-0°To359°,1-16

pointers(graphical)

 Magneticdeclinationangleadjustable

forregionswithmagneticvariation

• Altitudewithbuilt-inAltimeter:

measuresineithermetersorfeet

• Barometer(air)pressureandsealevel

pressuremeasurementinmbar/hpPa,

mmHGorinHG

• WeatherforecastIcons:Sunny,Slightly

Cloudy,CloudyandRainy

• TimeandDate

• AlarmClock

• Temperaturewithbuilt-inthermometer

readingwithunit°Cor°F

• Backlight

• BubbleLevel

• Waterresistant

• Batteries:2CR2032Lithium(included)

• Lanyardincludedforeasycarrying

speciFications

Temperaturemeasuringrange -20°to+60°Cand-4°to+140°F

Altitudemeasuringrange -400to9000metersand-1312to29,528feet

Barometermeasuringrange 900to1100mbar/hPa,675to825mmHG,and26.58to32.48inHG

PowerSupply Battery:CR2032lithiumx2pcs

Dimensions LxHxW:54x103x15mmor2.1”x4.1”x0.6”

Weight 70gor2.5oz

1.B/▼button Barometersettingmode/

 decreasevalues

2.A/▲button Altitudesettingmode/

 increasevalues

3.T/MODEbutton Toggledisplaybetweentime,

 date,year,andalarm,Mode

 usedinvarioussettings

4.Cbutton Compasssettingmodeandexit

 anysettingmode

5:Lbutton Turnonthebacklight;Lock/

 unlockkeys;Levellocatedin

 thecenterofbutton

6.Battery Locatedinthebackoftheunit

 Compartment

LcD DispLay, Buttons anD Battery compartment

1

5

6

3 4

2

 1. Cardinalpointwhenthecompassin

thenorthdirection

 2. Directionarrow

 3. Temperatureappearswhennotincompassmode

 4. Lowbatteryindicator

 5. AppearswheninAltimeter(Altitude)mode

 6. Indicatesmaximumaltitude

 7. IndicatesthedisplayformatofDayandMonth

 8. AM/PM

 9. Year

10. Keypadislocked

11. Appearswhensealevelpressureisshown

12. AppearswheninBarometer(airpressure)mode

13. Unitsofairpressure

14. Unitsofaltitudeappearinaltitudemode

15. Weatherforecast

16. AppearswheninAlarmmode

17. Appearswhenalarmisactivated

LcD DispLay

2

SeT up

•2PCSCR2032lithiumbatteriesareincluded.Whenbattery

islow,thebatterylowicon( )willbeon.Useasmall

screwdrivertoremovethescrewsofthebatterycover,

removethebatterieswithathinknifeorscrewdriver,place

thepositive(+)sideofthebatteriesupward,andthenreplace

thescrews.

Main FuncTionS and operaTionS

•PresstheMODEkeytoswitchmodebetweenClock,Date,YearandAlarmClock.

•PressA/▲,B/▼,Cbuttonstoswitchbetween:

Altimeter mode BArometer mode CompAss mode

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

1617

3

time moDe

TiMe SeTTinG

• Pressandhold“MODE”keyfor3secondstoentersettings.

Press“▼”or“▲”tochangesetting,andpress“MODE”

buttontoconrmandmovetonextsetting.

• Settingsequenceisasfollows:12/24hourformat,Hour,

Minute,Second,Year,Month/Daysequence,Month,Day,

Temperatureunit,AirPressureunit,andAltitudeunit.

• Ifnobuttonispressedfor15seconds,thedisplaywillreturn

topreviousmode.

• Press“C”buttontoexittheTimeSettingMode.

alarM SeTTinG

• Press“T”buttontonavigatetoAlarmTimeDisplay

(“AL”icondisplaysontheLCD)Hold“T”buttonfor3

secondstoenteralarmclocksettingmode.Press“▼”or

“▲”tochangesetting,andpress“T”buttontoconrmand

movetonextsetting.

• Thesettingsequenceis:Hour,Minuteand

AlarmON( )/OFF( ).

• Whenthealarmison,thesymbol“ ”appearsandwhenit

isoffthesymbol“ ”disappears.

• Whenalarmgoesoff“ ”willash,pressanybuttonto

stopthealarmandifnobuttonispressedthealarmwill

automaticallystopafter2minutes.

aLtimeter anD Barometer

Whenbatteriesareinserted,thedevicewillautomatically

measurethebarometer(airpressure)readingsaswellasthe

maximumsealevelpressurereading.Youcancheckexact

barometricpressurereadingsforyourlocationonthewebsite.

SeT and reSeT alTiMeTer (For alTiTude):

Altimetermeasuresineithermetersorfeet,range:-400to

9000metersor-1312to29,528feet.Thedeviceprovidesboth

currentaltitudeandmaximumaltitude.

(i)CurrentAltitudedisplay .

(ii)MaximumAltitudedisplay (“MAX”icon

displayontheLCD).

• Press“A”buttontoenteraltimetermode.Press“A”button

againtodisplaythemaximumaltitude.

• WhenLCDdisplayscurrentaltitude,holdthe“A”button

for3secondstoentersetting.Press“▼”or“▲”toadjust

altitude,andpress“MODE”buttontoconrmandquitthe

setting.Press“▼”and“▲”atthesametime,currentaltitude

valuewillberesetto0.

• WhenLCDdisplaysmaximumaltitude,press“▼”and“▲”

atthesametimeandthemaximumaltituderecordwillbe

clearedandresetto0.

SeT and reSeT Sea level preSSure and WeaTher

ForecaST iconS

(i)Currentbarometric(air)pressure .

(ii)CurrentSealevelpressure (“SEA”icon

displayontheLCD).

• Press“B”buttontoenterBarometermode.TheLCDwill

displaythecurrentbarometricpressureandpressthe“B”

buttonagaintodisplaythesealevelpressure.

• IntheSeaLevelpressuredisplay,holdthe“B”buttondown

for3secondstoenterthesetting.Press“▼”or“▲”to

changethesettingandpress“MODE”buttontoconrmand

movetonextsetting.

• Thesettingsequenceisas:sealevelpressure,toggleweather

forecasticons.

 →  →  →  

• Theweatherforecastwillstarttherstforecast6hourslater

afterthecurrentweatherstatusisentered.

Note: Barometric pressure and sea level pressure

measurement in mbar/hPa, mmHG or inHG. When sea

level pressure is changed, the altitude will adjust itself.

compass

ThecompassshowsthebearingindegreesdueNorthtogether

with16cardinalpoints.

• Press“C”button,theunitwillenterCompassmode.Hold

theunithorizontal.Pointthe12o’clockpositionoftheunit

inthedirectionyouwanttomeasure.Asthegraphbelow

shows,thedirectionyouaremeasuringnowisWSW223°.

Thearrow“▲”alwayspointtoNorth.

• WhenthedirectionofcompassispointingNorth(degreefor

-12.5to+12.5),thedirectioniconoutsidewillbeshown.Ifno

keyispressedfor30seconds,theunitwillautomaticallyshut

offthecompassandreturntothetemperaturemode.

4

coMpaSS SenSor calibraTion

ThecompassshouldbecalibratedbeforeuseORwhenthe

batteriesarereplaced.

• InCOMPASSmodeholdthe“C”buttonfor3secondsto

enterthecompasssensorcalibrationmode,andpressthe

“C”buttontostartthecalibration.

• Keeptheunitinalevelpositionorontopofanon-metallic

table/desk.ReferencethearrowshowingintheLCD,rotate

thecompassclockwiseforonefullrotationslowly:

• Whennished,theLCDwilldisplay“OK”ifthecalibrationis

successfulordisplay“Fail”ifitfailedas:

SeT The MaGneTic declinaTion anGle

Theanglebetweenmagneticnorthandthetruenorthdirection

iscalledmagneticdeclination.Theearth’smagneticpoles

uctuateovertime,anditalsovariesfromplacetoplace.Find

themagneticdeclinationonamaporwebsite,andthenset

thedeclinationonthisunittooffsetthedifferencebetween

magneticnorthandtruenorth.Pleasenotethatifyoufailtodo

this,thereadingsyougetfromthecompasscouldbeinerror.

• InCOMPASSmode,holdthe“C”buttonfor3secondsto

enterthecompasssensorcalibrationmode,press“MODE”

buttontoentersettingofthedeclinationangle.Theangle

willashontheLCD.Forexample,belowthe“0°”willash

ontheLCD).

• Press“▼”or“▲”tochangetheanglevalue,rangefrom

-90°to90°,andpress“MODE”buttontoconrmandexit

thesetting.

Note: The compass must be kept in a level position

when in use. Taking a measurement while the unit is not

horizontal (in relation to the horizon) can result in a large

measurement error.

Always take bearings in the open air, because it is easily

affected by disturbing sources of magnetism.

direcTion MeaninG

ENE

East-

Northeast

SSE

South-

Southeast

WSW

West-

Southwest

NNW

North-

Northwest

direcTion MeaninG

NE Northeast

SE Southeast

SW Southwest

NW Northwest

direcTion MeaninG

NNE

North-

Northeast

ESE

East-

Southeast

SSW

South-

Southwest

WNW

West-

Northwest

direcTion MeaninG

N North

E East

S South

W West

→ →

coMpaSS bearinG leGend

5

BackLight/ keypaD Lock

• Pressthe“L”buttontoturnthebacklightonfor5seconds.

• Pressandholdthe“L”buttonfor3secondsandthe

keyboardwillbelockedandtheicon willbeshownin

theLCDdisplay.Holdthe“L”buttondownfor3secondsto

unlockthekeyboard.

LeveL

Inthecenterofthe“L”buttonisabubblelevel.Whenthe

smallbubbleiscenteredonthebuttontheunitislevel.

maintenance & trouBLeshooting

• Donotdisassembleormodifytheunitinanyway.

• Donotuseanyabrasiveorvolatilecleanersontheunit.

• Docleantheunitwithwaterusingasoftcloth.

• Donotpourwateroranytypeofliquidorputfoodon

theunit.

• IfforsomereasontheLCDkeysdonotwork,removethe

batteriesandreinstallthem.

your instrument has a two year LimiteD warranty.

pLease see the ceLestron weBsite For DetaiLeD inFormation

on aLL ceLestron proDucts at www.ceLestron.com.

temperature

• Whencompassmodeisoff,theLCDdisplaywillprovidethe

temperaturereadingwithunitof°Cor°F.Therangeisfrom

-20°Cto60°Cand-4°Fto140°F.

• Whenthetemperatureislowerthan-20°CtheLCDdisplay

willshowLL.L°C.Whenthetemperatureishigherthan60°C

theLCDdisplaywillshowHH.H°C.

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2835ColumbiaStreet•Torrance,CA90503U.S.A.

Telephone:310.328.9560•Fax:310.212.5835

Allrightsreserved.•PrintedinChina•01-11

Productdesignandspecicationsaresubjecttochange

withoutpriornotication.

Designedandintendedforthose13yearsofageandolder.

FCCStatement

ThisdevicecomplieswithPart15ofFCCRules.Operationissubjecttothefollowingtwoconditions:

1.Thisdevicemaynotcauseharmfulinterference,and

2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.

www.celestron.com

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