Analytical Technology PortaSens III D16 User manual

PortaSens
PortableGas LeakDetector
ModelD16
with
TouchSensitiveDisplay
HomeOffice EuropeanOffice
Address
AnalyticalTechnology,Inc
6IronBridgeDrive
Collegeville,PA19426
ATI(UK) Limited
Unit1&2GateheadBusiness Park
DelphNewRoad, Delph
SaddleworthOL3 5DE
Phone
[phone],[phone] [phone]
Fax
[phone] [phone]
Email
[e-mail] [e-mail]

PortaSens !" PortableGasLeakDetector, ModelD16
Operationand MaintenanceManual
Rev-A Feb 2018
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PRODUCTWARRANTY
AnalyticalTechnology,Inc.(Manufacturer) warrantstothe Customerthatifany
part(s) oftheManufacturer'sequipmentprovestobe defective inmaterialsor
workmanshipwithinthe earlierof18 monthsofthe date ofshipmentor12 months
ofthe date ofstart-up,suchdefectivepartswill be repairedorreplacedfree of
charge.Inspectionandrepairstoproductsthoughttobe defective withinthe
warrantyperiodwillbe completedattheManufacturer'sfacilitiesinCollegeville,PA.
Productsonwhichwarrantyrepairsare requiredshall be shippedfreightprepaid to
theManufacturer.Theproduct(s) willbe returnedfreightprepaid andallowedifitis
determinedbythe manufacturerthatthepart(s)faileddue todefective materialsor
workmanship.
Thiswarrantydoesnotcoverconsumable items,batteries, orwearitems
subjecttoperiodicreplacementincluding lampsandfuses.
Gassensorscarrya 12 monthsfromdate ofshipmentwarrantyandare
subjecttoinspectionforevidence ofmisuse,abuse,alteration,improperstorage,or
extendedexposure toexcessive gasconcentrations. Shouldinspectionindicate that
sensorshave faileddue toanyofthe above,the warrantyshallnotapply.
The Manufacturerassumesnoliabilityforconsequentialdamagesofany
kind,andthe buyerbyacceptance ofthisequipmentwill assume all liabilityforthe
consequencesofitsuse ormisuse bythe Customer,hisemployees,orothers.A
defectwithinthe meaning of thiswarrantyisanypartofanypiece ofa
Manufacturer'sproductwhichshall,whensuchpartiscapable ofbeing renewed,
repaired,orreplaced,operate tocondemnsuchpiece ofequipment.
Thiswarrantyisinlieuofall otherwarranties(including withoutlimiting
the generalityofthe foregoing warrantiesofmerchantabilityandfitnessfora
particularpurpose),guarantees,obligationsorliabilitiesexpressedorimpliedbythe
Manufactureroritsrepresentativesandbystatute orrule oflaw.
Thiswarrantyisvoid ifthe Manufacturer'sproduct(s) hasbeensubjectto
misuse orabuse,orhasnotbeenoperatedorstoredinaccordance withinstructions,
orifthe serialnumberhasbeenremoved.
AnalyticalTechnology,Inc.makesnootherwarrantyexpressedor
impliedexceptasstatedabove.

PortaSens !" PortableGasLeakDetector, ModelD16
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TableofContents
PRODUCT WARRANTY ............................................2
SPECIFICATIONS......................................................5
P ACKAGE CONTENTS ................................................6
REFERENCE DRAWINGS .............................................7
INTRODUCTION....................................................11
D16 PORTASENS III...............................................11
Inlet and Outlet Ports...................................... 11
H10 SENSOR ........................................................12
Electro-chemicalCell Versions........................ 12
Installing the Sensor........................................ 12
OPERATION..........................................................13
STARTUP .............................................................13
SHUTDOWN .........................................................14
MAIN DISPLAY......................................................14
GasReading, Units, Name, and Temperature14
GasAlarm Indicators....................................... 15
Meter.............................................................. 16
BatteryIndicator............................................. 16
StatusMessages............................................. 16
Date and Time................................................. 17
DisplayBackground ........................................ 17
Buttons............................................................ 17
MAIN MENU........................................................18
DISPLAY ..............................................................18
Brightness....................................................... 18
Main DisplayAppearance ............................... 19
Menu Timeout................................................. 20
Sleep Mode..................................................... 20
Troubles.......................................................... 20
Configuring the Display................................... 21
ALARMS ..............................................................24
DangerAlarm.................................................. 25
Warning Alarm................................................ 25
Caution Alarm................................................. 25
Configuring Alarms......................................... 26
DATA LOG ...........................................................27
USBMode ....................................................... 27
DirectoryStructure.......................................... 28
File Structure................................................... 29
Configuring the Data Logger........................... 30
PUMP .................................................................31
Pump Status.................................................... 31
Configuring the Pump ..................................... 32
SENSOR...............................................................33
Range.............................................................. 34
Blanking .......................................................... 34
Averaging........................................................ 35
Configuring the Sensor.................................... 35
Calibration...................................................... 37
FactoryCalibration Services............................ 37
OwnerCalibrations......................................... 38
Pressurized GasSources.................................. 38
SensorCalibration Steps................................. 39
Calibration History.......................................... 40
H10 SensorResponse Times............................ 43
GasInterferences............................................ 44
Response Test................................................. 46
H10 Sensorsand D12 orF12Transmitters...... 47
SYSTEM .............................................................. 47
System “About” Page...................................... 47
Date and Time................................................. 47
Auto-shutdown............................................... 47
Sound.............................................................. 48
Default Settings.............................................. 48
Configuring System Settings........................... 48
TIMED SAMPLING.................................................. 52
Description ...................................................... 52
Operation........................................................ 52
Configuring Timed Sampling........................... 54
POWER............................................................... 55
NiMH Battery.................................................. 55
USBPower....................................................... 55
Shutdown........................................................ 55
MAINTENANCE..................................................... 56
INTAKE FILTER ...................................................... 56
BATTERY CONTACTS............................................... 56
TROUBLESANDEXCEPTIONS................................ 57
TROUBLE MESSAGES.............................................. 57
PUMP TROUBLES .................................................. 58
OTHER TROUBLES ................................................. 59
GENERAL CORRECTIVE ACTIONS ............................... 60
EXCEPTION MESSAGES ........................................... 61
SPAREPARTS........................................................ 63
H10 GAS SENSOR MODULES ................................... 64

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Table ofFigures
Figure 1. PortaSensIII, front view._________________________________________________________________ 7
Figure 2. PortaSensIII, rearview.__________________________________________________________________ 8
Figure 3. PortaSensIII, right side view._____________________________________________________________ 9
Figure 4. H10 gassensormodule (ordered separately)._______________________________________________ 10
Figure 5. SensorKeeper.________________________________________________________________________ 10
Figure 6. Flowmeter.__________________________________________________________________________ 10
Figure 7ModelD16, PortaSensIII GasLeak Detector.________________________________________________ 11
Figure 8. H10 "Smart Sensor"module.____________________________________________________________ 12
Figure 9SensorKeeper.________________________________________________________________________ 12
Figure 10 D16 startup displays.__________________________________________________________________ 13
Figure 11 Main Displaypage indications(example)__________________________________________________ 14
Figure 12 Data log controlbutton ________________________________________________________________ 17
Figure 13 Adjusting brightnessbyswiping.________________________________________________________ 18
Figure 14 Meterstyles-Normal(a), and %FS(b). ___________________________________________________ 19
Figure 15 USBmode display.____________________________________________________________________ 27
Figure 16 Data loggerfile structure.______________________________________________________________ 28
Figure 17 Example data log file openedwith MicrosofExcel. __________________________________________ 29
Figure 18 Pump statuson “Main Display”._________________________________________________________ 31
Figure 19 SensorInformation page.______________________________________________________________ 33
Figure 20. Gassource connection.________________________________________________________________ 38
Figure 21 System About page.___________________________________________________________________ 47
Figure 22 Trouble page.________________________________________________________________________ 57

PortaSens !" PortableGasLeakDetector, ModelD16
Operationand MaintenanceManual
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SPECIFICATIONS
GasSensor H10 “SmartSensor”,seelist
Range Sensordependent
Display Backlighted,touch-sensitive,320x240colorgraphicsLCD
Accuracy Sensordependent(typically±5%ofvalue,limited by cal.gas)
Sensitivity 1%ofsensormodule minimumrange
Repeatability ±1%sensormodule minimumrange
SamplingPump Internaldiaphragmpump,400cc/min(0.85 SCFH),adjustable.
Alarms Threesetpoints,LCDdisplayicons for Warn,Danger,&Trouble.
Separate low flow alarm.
Data Logger Internal4Gb
Selectable logintervals from10secondsto60minutes
Sample/Measure Self-timed sample/measuremodefor repeatablereadings
Real-TimeClock Battery backed,accurate toapproximately1minute peryear
Input/Output USB2.0MSDClass interface with1mmini-USBcable
Power D-cell battery,rechargeable*,NiMH,10,000mAH
10-12hours continuousoperation
90daysshelf-life (fullycharged,nosensor)
Alternate: D-cell alkaline
*Externalchargerrequired(available option)
Note: USBconnectionprovides power,butdoesnotcharge battery
Sound Internalbeeperforaudible alarm
Operating
Temp.
-25ºto+60ºC
Humidity 0-95%Non-condensing
Construction Glass fillednylon,PVC,and stainless steel
Accessories
·10”FlexibleWand,Teflonlined
·(3)Intake Filters
·OutletBarbed Fitting
·FlowMeter
·Bypass-TFitting(forcalibration)
·Battery Charger(optional)
·Storagecase
ShippingWeight 4.9lbs/2.22 kg(complete package)

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Package Contents
Thefollowingitemsareincluded.
oD16 PortaSensIII Portable GasLeakDetector(Figure1)
o(2)D-cell, NiMHbatteries
oSamplingwand(Figure2)
oOutlettubebarbedfitting(Figure2)
oSensorKeeper1(Figure5)
oFlowmeter(Figure6)
oStoragecase
oUSBCable
oCalibration“T”
1H10 sensorsare normally orderedseparately.

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Reference Drawings
Figure1.PortaSensIII, frontview.

PortaSens !" PortableGasLeakDetector, ModelD16
Operationand MaintenanceManual
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Figure2.PortaSensIII, rearview.

PortaSens !" PortableGasLeakDetector, ModelD16
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Figure3.PortaSensIII, right sideview.

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Figure4.H10 gas sensormodule(orderedseparately).
Replace Battery every Six(6)Months
00-0981 H10 SensorKeeper
Figure5.SensorKeeper.
Figure6.Flowmeter.

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INTRODUCTION
D16PortaSensIII
The D16 PortaSensIII isarugged,
hand-held deviceused todetectleaks
oftoxic,orotherwisedangerousgas,
andalsotodetectoxygendeficiency.
Figure7ModelD16,PortaSensIII
Gas LeakDetector.
TheD16 quicklyadaptstomeasure
differentgassesby inserting the
appropriateH10 gassensormodule,
whichretainsallofthecalibrationand
configurationsettingsforthetarget
gas.
Aninternalpumpwith aflexible
wandisincludedforpointsampling
around suspectpipefittingsand
confined spaces.
Readingsand settingsare
presentedona backlighted,resistive
touch,colorgraphicsLCD,witha
beepertonotifyyouofalarmsand
otherevents.
Readingsarerecordedin .csvfiles
(ASCII text,comma-separated values)
andtransferred toaPCusing the
suppliedUSBcable.Noexternal
applicationisrequired.Thefilesmay
beopenedwith anytexteditor,or
directlyby applicationslikeMicrosoft
Excel®.
Powerisprovidedfroma
rechargeable, NiMHD-cellbattery.The
batteryshouldberemoved andcharged
inanexternalchargeraftereachuse.
Thebatteryisnotusedoreven
requiredwhenthedeviceisconnected
toaUSBport.
InletandOutletPorts
Theinletport,located onthe
manifoldlid,isfittedwithaquick-
disconnectfitting toconnectthe
flexiblewand (seeFigure2onpage8).
Thewandcanbeusedforprobing
closelyaround pipesandfittings,and
forsamplingconfined spaceswithout
entering.Thewandislined with
Teflon™andisinerttonearlyall
vaporsandgasses.
Flexibletubingmaybeconnected
totheinletporttosamplehighgas
concentrations,orthosebeyondthe
reachofthewand.Fluorocarbon-based
tubing isstronglyrecommendedfor
measuring lowconcentrationsof
reactivegases.Othermaterialsmaybe
used forhighrangemeasurements,
wheretheadsorptionofgasbythe
tubing isnegligible, orwhereyouare
probingforsignificantleaks.
Theinternalwallsofthewand and
anyinlettubingmustbekeptdry.
Wateronthewallsmayabsorbsoluble
gasesanddecreasethegasreadings,
presenting anunsafecondition.Ifthe
insideofthewand ortubinggetswet,
drawdryairthroughitfor10 to15
minutes.
Keep the inlet andoutlet ports
free ofobstructions.

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H10 Sensor
TheD16 measuresgas
concentrationlevelsusing H10 “Smart
Sensor”modules.H10 sensorsstore
calibrationandconfigurationsettings,
suchas,zero, span,range, andalarm
levels,inmemory.Thisallowsthemto
bechanged quicklytodetectleaks of
differenttoxicgasses,ortodetect
oxygendeficiency.Gassensorsmust
beorderedseparately.Foracomplete
listofmodulesandtheiroperating
range,see H10 GasSensorModuleson
page64.
Figure8.H10 "SmartSensor"
module.
Sensormodulesarecalibratedat
thefactory.Recalibrationshould be
doneevery6-12 months.Useindirty
ordustylocationsincreasetheneedfor
morefrequentcalibration.Calibration
maybeperformedby theuseror
sensorsmaymaybereturned toATI
forfactorycalibration.Contact
[e-mail] or
call800-959-0299 toarrangefor
factorycalibration.
Electro-chemical Cell Versions
MostH10 sensorsareelectro-
chemicalcellswhichrequire
stabilizationtimepriortouse. When
installedinaD16,sensorswillremain
stableaslong asthebatteryischarged.
SensorsmaybeleftintheD16 but be
suretoput afreshlychargedbattery
intotheunitevery2or3weeks when
notin regularuse.
TheD16 issuppliedwitha
separate“SensorKeeper”whichkeeps
sensorreadytouseimmediately.An
alkalineC-cell batteryinthekeeper
mustbechangedevery6months.If
sensorsdonotneedtobeused quickly,
theycanbestored unpowered.Up to
four electrochemicalsensorsmaybe
storedinthekeeper,whichmaintains
them“onbias”andreadyforuse.
InstallingtheSensor
Loosenthetwothumbscrewson
thebackoftheD16 andremovethe
manifold showninFigure2onpage8
and.Ifasensormoduleisalready
installed,pullstraightup toremoveit.
Insertthenewsensormoduleintothe
recess,connectorendfirst.Rotateitto
alignthegroovewith theguidepin,and
thenpress downtoseattheconnector.
Thetop ofthesensormoduleshould
beflushwith thetop oftheopening.
Replacethemanifoldandhand-tighten
thethumbscrews.
Figure9Sensor
Keeper.

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OPERATION
TheD16 featuresatouch-sensitive,colorgraphicsdisplaythatis
organizedintopagestoconfigureandoperatethedevice. Theprimary
operationalinformation,consistingofthegasreadingandalarmindicators,
appearsonthe“MainDisplay”page. Configurationsettings,andother
operationaldisplays,appearonpagesaccessedthroughthemenusystemby
touching the“Menu”button.
D16 pagesarenormally presentedon adarkbackground. Pages
depictedbelowappearon awhite, orlightcoloredbackground toimprove
readability.
Startup
Installagassensormodule, connectthe
samplingwand,and holdthe“Wakeup”
switchdownforonesecond.
D16 displaysthepagesshownbelow.
LCD and CPU revisionlevelsandserialnumber.
Timesout afterfourseconds.
Information about the currentlyinstalled sensor.
Timesout in fourseconds.
Main displayshowsgasreading, gas
temperature, alarmindicators, batteryand
pump status, date, and time.
Figure10 D16 startupdisplays.
LCDRev 1.0
Model
-
Rev
-
S/N

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IftheD16 andH10 sensorarefunctioning normally,the“MainDisplay”
isvisible. Verifythepump isrunninganddrawingairintotheinletport.Ifa
problemisdetected,thepumpmotorremainsoff and atroublealarm
appears(ifthisisthecase, see TroublesandExceptionsonpage57).
Shutdown
ToturntheD16 off,touchthe“Off”buttonwhenitappearsonthe
display,orhold the“Wakeup”switchdownforonesecond(seeFigure3,
page9).
Main Display
TheMainDisplayelementsareshownbelow.
Figure11 Main Displaypageindications(example)
GasReading, Units, Name, andTemperature
Thegasconcentrationreading appearsatthecenterofthedisplayina
large, easytoreadfont,alongwith thechemicalname, unitsofmeasurenits
ofmeasure, andgastemperature. Thegasnameandunitsofmeasureare
fixed,based onthedesignofthesensor.
Settingsinthesensormemoryaffectthebehaviorofthegasreading.In
particular,thesensor’sfullscalerangesetting, Range,controlsthemaximum
displayedvalueanddeterminestheresolutionofthereading,asshownin
Table 1(below).Thegasreadingwill reportupto120%oftherangesetting,
andevenhigherformostsensors.Averaging isused tostabilizethereading
Date and time
Batteryindicator
Statusmessages
Gas temperature
Meter
Gas reading
Gas unitsofmeasure
Alarm name
Off button Menu button Logon/off
button
Displaybackground
Alarm and
over-range
indicator
Gas name
(symbol)
Dangeralarm level
Warningalarm level

PortaSens !" PortableGasLeakDetector, ModelD16
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whennecessary,and Blanking isused tosuppresssmall readingfluctuations
nearzero, andnegativereadingsbelowzero. See Alarmsonpage24 for
detailsabout theoperationand configurationofthesesettings.
Table1Gas readingresolution.
ThegastemperaturereadingisderivedfromtheH10 sensorand isusedtocorrectthe
gasreading ofoxygensensors.Bydefault,temperatureisdisplayedinunitsof°F,but
maybechanged to°C(seeTemperatureUnitsonpage20).
GasAlarmIndicators
TheD16 featuresthree gas“level”alarmsdesignated as Danger,
Warning,and Caution,whichareindicatedontheMainDisplay, only.
Whenagaslevelalarm occurs,thebeepersoundsand thealarmname
andindictorblinkonand off.Touchingthedisplaysilencesthebeeperand
causesthenameandindicatortoremainonsteadyuntilthealarmcondition
subsides.Thetablebelowsummarizesthealarm indicationsontheMain
Display.See Alarmsonpage24 fordetailsabouttheoperationand
configurationofalarms.
Table2Alarmindicators.
AlarmName Priority(ranking) Indicator
DANGE
R
(RED)
Highest Alarmtype =“HIGH”
Alarmtype =“LOW”
WAR NING
(YELLOW)
Middle
(notdisplayedwhen
dangeralarmisactive)
Alarmtype =“HIGH”
Alarmtype =“LOW”
CAUT I O N
(BLUE)
Lowest
(notdisplayedwhen
dangerorwarning
alarmisactive)
Alarmtype =“HIGH”
Alarmtype =“LOW”
Range Resolution
0.00 to 4.99 0.01
5.0 to 49.9 0.1
50 and above 1

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Meter
Themeterispresented inoneoftwostylestoindicatethegasreading,
“Normal”, and “%FS”.The“Normal”styledividesitintothree colored bands,
based onthealarmsettings.The“%FS” styleindicatesonlythesensorfull
scalerange, ½full scale range, and 0.Thisisdesignedforapplicationsnot
intended tohavealarms. SeeMeterinDisplayOperationonpage19 for
detailsabout themeteroperationandconfiguration.
Battery Indicator
Thebatteryindicatordisplaysthevoltageofthebattery,whichcanbe
used toapproximatethelevelofchargeremaining.
Table3Battery indications.
Indication Description
Hours
Remaining*
(NiMH)
Bat>=1.25v 10-11
Bat=1.20-1.24v
Bat=1.15-1.19v 5-6
Bat=1.10-1.14v
Bat=1.05-1.09
Low
Bat<1.05 Shutdown
imminent
DevicepoweredbyUSB
connection(battery disabled)
*Starting fromfullycharged state,asinstructed bythe supplied (optional)charger.
StatusMessages
Batteryandpump statusmessageslistedinTable4appearonceevery2seconds.
Table4Main display statusmessages.
Message Description
BATTERY LOW Batterylifedowntoonebar
NO BATTERY Batteryremoved(onlyappearsin normaloperation running on
USBpower)
CHECK FLOW Sampling wandor pumprestricted
PUMP OFF Pumpmotor disabledviaconfiguration setting
NO PUMP Pumpmotorenabledbutpumpcurrentnotdetected

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Dateand Time
Thelocalcalendardateandtimeispresentedintheupperleftcorner.
See DateandTimeonpage47.
DisplayBackground
Thebackgroundofthe“MainDisplay”maybesettoimprovevisibility
(see MainDisplayAppearanceonpage19).
Buttons
Buttonsdisplayedalongthebottomofthedisplayaretouch-sensitive,
andhavethefollowingpurpose.
Off
Touching the“Off”buttonplacestheD16 intoa lowpowershutdown
mode. TheH10 sensorremainspoweredon,but theCPUandLCD display
aredisabled.Holdingthe“Wakeup”switchdownforonesecond,or
replacing thebattery,willrestarttheD16.
Menu
The“Menu”buttonistheentrypointforaccessing configuration
settings,otheroperatingmodes.
Log
The“Log”buttontogglesthedataloggeronand off,asindicatedbythe
presenceofared“dot”appearing onthebuttonface. Dataloggingisoffat
startup,and whentoggled on,will recordsamplesbasedonitscurrent
configuration.SeeDataLog onpage27.
a) Dataloggeroff
b) Dataloggeron
Figure12 Data logcontrolbutton

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Main Menu
The“MainMenu”appearsby touching the“Menu”buttononthe“MainDisplay”. Itis
thestartingpointforchanging settingsand selecting otheroperatingmodes.
D16 menubackgrounds aredark,butappear light
throughoutthismanualtoimprovereadability.
Display
Thedisplaysettingsaredescribedbelowand accessedviathemenusystemasdetailed
inConfiguring theDisplayonpage21.
Brightness
WhentheD16 starts,brightness issettoadefaultlevel
and maybeadjustedonanypagebyswipingafinger
across thedisplay,left-to-righttoincreasebrightness,or
right-to-lefttodecreasebrightness.Thenewvaluemay
bepermanentlysaved asthedefaultbrightnesssetting
(see Configuring theDisplayonpage21).
Figure13 Adjustingbrightness by swiping.
Increasing thedisplaybrightnesswillreduce
batterylife.However,tosavepower,itisnot
recommended todecreasethedisplaybrightness to
theextentthatthedisplayisunreadable. Instead,
theD16 canoperatein“Sleep”modewiththe
displaycompletelyunpowered todramatically
conservebatterylife(seeSleep Modeonpage20).

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MainDisplayAppearance
The“MainDisplay”istheprimarypageviewedduringnormaloperationandhasthe
propertiesdescribed below.
Background
Thebackgroundofthe“MainDisplay”maybesetto“Dark”forbetter
indoorandnighttimereadability,orto“Light”, toimprovedaylightvisibility.
Meter
Themeterindicatesthegasreading andispresentedinoneoftwo
styles.The“Normal”meterstyle featuresthree colorbandstoindicatethe
reading’sproximitytothe“Warning”and“Danger”alarmlevels(“Caution
alarmisnormallyused toindicateexcessivesensordriftandisnot
represented).Theothermeterstyle is“%FS”, whichpresentsthefullscale
rangeofthesensor(“Range”).
a) b)
Figure14 Meterstyles-Normal(a),and%FS (b).
Toenablethe“Normal”meterdisplay,thealarm types and levels must
conformtooneoftheruleslistedinTable5.Otherwise, the“%FS” meter
stylewill bepresented.
Table5Alarmsettingrulesfor“Normal” meterpresentation.
Ifthemeterstyle issetto“Normal”, but neitheralarmsetting rule
applies,the“%FS” meterstyleisused.
Rules Comments
1
DangerAlarm Type =High
and
WarningAlarm Type =High
and
DangerAlarm Level>WarningAlarm Level
Typicalof toxicgas sensors.
2
DangerAlarm Type =Low
and
WarningAlarm Type =Low
and
DangerAlarm Level<WarningAlarm Level
Typicalof oxygensensors.

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Temperature Units
Thegastemperatureisdisplayedinunitsof°F,but maybechanged to
°C.
MenuTimeout
The“MainDisplay”pageistheprimarydisplayused duringnormal
operation,and theD16 automaticallyreturnstoitwhenleft“untouched”for
adefinedperiod oftime.
Sleep Mode
Toconservebatterylife, thedisplaymaybede-poweredduringnormal
operation,without disabling thecriticalleak-detectionfunctions.TheD16
willcontinuetosample, generatereadings,andlog data-without thedisplay
poweredon,whichwill normallyhaveasignificant effectontheoperational
time.Thedisplayisrepoweredwhenoneofthefollowingoccurs.
1. Gaslevelalarm
2. CPUtrouble(seeTroubleonpage57)
3. “Wakeup”switchpress
4. Powerinterruption(batteryremoved andreinstalled)
5. USBconnected to,ordisconnectedfrom,ahostorcharger
Thismodeofoperationshould not beusedwhenalarmsare
disabled.
Troubles
Criticalproblemsareindicated immediatelyupondetectionbythe
appearanceofthe“TroubleDisplay”.Whenitappears,theonlyrecourseis
tocorrecttheproblem,ortouchthe“Off”button.SeeTroublesand
Exceptionsonpage57 fora listofcorrectiveactions.