Seiko S822 - 11）Mechanism of Altitude Measurement; H Ow to Use the Altitude Record (ALTI-LOG) Recall Mode; 1）Buttons and Functions; 2）How to Check Data

（11）Mechanismofaltitudemeasurement
・Thisproduct adoptsa methodtoestimate altitudeusingthe relationshipbetween altitudeand
atmosphericpressureof theInternationalStandardAtmosphere specifiedbythe InternationalCivil
AviationOrganization.
・Usingareferencealtitudesetataplacewherethecorrectaltitudeisknowninadvance,thewatch
measuresthe differenceinaltitude basedonthe changeinatmospheric pressurefromthere and
displaytheresultasthecurrentaltitude.
Inthe illustrationbelow,the altitudeiscorrectedat astartingpoint foratrail etc.(200m).Then,
thedifference inaltitude(400 m)generatedby movementismeasured andis combined withthe
correctedvalue,andthenthealtitude(600m)aftermovementisdisplayed.
・Becausea changein atmosphericpressureis convertedinto altitude,displayof thealtitudealso
changeswhenatmosphericpressurechangesevenwhenaltitudeismeasuredatthesameposition.
【CAUTION】Correctmeasurementscannotbemadeunderthefollowingconditions.
・Whenatmosphericpressurechangesdependingonweathercondition
・Whenatmospherictemperaturesignificantlychanges
・Whenthisproductreceivesastrongimpact
200m
(Currentaltitude=Correctedvalue+Measuredvalue)
Correction
600m
Indicatoretc.
Seasurface
Measurement
（400ｍ）
Abovesealevel
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Howtousethealtituderecord(ALTI-LOG)recallmode
Inthealtitude recordrecallmode,the data recordedwiththe data recording
(REC)functionofthealtimeter(ALTI)modecanberecalled.
※Thecurrentlyrecordingdatacanbecheckedinthealtimeter(ALTI)mode.→Page117
・Totalof15timesofdatacanbesaved.
・If newdata arerecordedusingthedata recording(REC) functionwhen 15data are
alreadyrecorded,thendatawillbedeletedinchronologicalorderstartingfromtheoldest.
※Makeabackupcopyofyourrecordbywritingdowntherecordedcontentinnotebook.
（1）Buttonsandfunctions
・Press ButtonⒶtoswitchto thealtituderecord (ALTI-LOG)recallmode. After"LOG"
appearsatthetoprowofthedisplay,thelatestlognumberamongthestoreddatais
shown.
ButtonⒸ
ButtonⒷ
ButtonⒶ
ButtonⒹ
Lognumber(No.1to15)
ButtonⒺ
ButtonⒻ
ButtonⒶ：
Toswitchtothebarometer/thermometermode
ButtonⒷ （Pressandhold）：Todeleteallthealtitudedata
ButtonⒸ：Toswitchtothetime/calendarmode
ButtonⒹ：Toturnonthebuilt-inilluminatinglight
ButtonⒺ：Todisplaythemountaineeringdata
ButtonⒻ：Tomoveforwardthelognumber
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Aboutrecordeddata
■Measureddateandtimerequired
・Lognumberatthetoprow,timerequiredatthemiddlerowandmeasureddateatthebottomrow
aredisplayed.
※Dataof 15timescanbe recorded. Fromthe16thdataonward,theexistingdata are overwritten in
chronologicalorderstartingfromtheoldest,andtheLognumberismoveduponebyone.(Example:No.15→
No.14)
■Averageclimbingspeed(Ascending/Descending)
・Averagevalueofclimbingspeedinascendingzone(zonewhereclimbingspeedindicatedascending)
ordescendingzone(zonewhereclimbingspeedindicateddescending)duringdatarecording
Example:Averagevalueofclimbingspeedinzone1,zone3andzone4inthediagramincaseofascending
Averagevalueofclimbingspeedinzone2andzone5inthediagramincaseofdescending
・Thedatawhenyouarerestingorwalkingonflatgroundareexcluded.
■Accumulatedaltitude(Ascending/Descending)
・Totalvalueofascendingordescendingaltitudeduringdatarecording
Example:Totalvalueofascendingaltitudeinzone1,zone3andzone4inthediagramincaseofascending
Totalvalu
eofdescendingaltitudeinzone2andzone5inthediagramincaseofdescending
■ Altitudewhen datarecordingstarts, and
altitudewhendatarecordingends
・Altitude(① inthediagram)and thetimewhen
datarecordingstartsand altitude(④ inthe
diagram)andthetimewhendatarecordingends.
■Consumedenergy
・Consumedenergyduringdatarecording
■Maximumaltitude,minimumaltitude
・Maximumaltitude(③ inthediagram)and the
time,andminimumaltitude(②inthediagram)and
thetimeduringdatarecording
［Altitude］
［Time］
Zone1 Zone2 Zone3 Zone4 Zone5
①
④
③
②
RECON
RECOFF
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（2）Howtocheckdata
①First,selectthelognumberyouwanttocheck.
②Whenthemodeisswitchedtothealtituderecordrecallmode,thelatestlognumberis
displayed.OlderdataisdisplayedonebyoneeverytimetheButtonⒻispressed.
Further
one
older
data
…
ⒻⒻ
ⒻⒻ Ⓕ
Ⓕ
※Ifnewdataarerecordedwhendataof15timesarealreadyrecorded,thelatestdata
isrecordedasdataNo.15andthelognumberoftheprecedingdataisautomatically
moveduponebyone.(Example:No.15→No.14)
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