Celestron 48001, 48003, Trek 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
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.
2835ColumbiaStreet•Torrance,CA90503U.S.A.
Telephone:310.328.9560•Fax:310.212.5835
©2011Celestron
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.
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