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SECTION 2—OPERATION
Part No 1148139 19 MA90 Series
Lock/Alarm Silence Button
1. PresstheLock/AlarmSilencebutton()toselectoneofthefollowingmodes:
•LockMode‐Pressingthisbuttonlocksoutallcontrolunitfunctions,includingthe
Onbutton,topreventanytamperingwiththesettings.Pressthebuttonfor
approximately3‐5secondsfortheLockLEDtoactivate.
NOTE:TheLockLEDilluminateswheninthismode.
•AlarmSilencemode‐Pressingthisbuttonsilencesthealarmthatsoundsinthe
eventofpowerfailureorwhenthehoseisdisconnectedfromthecontrolunit.
NOTE:TheAlarmLEDilluminateswheninthismode.
Power Fail LED
Intheev entofpoweroutage,analarmsoundsandthePowerFailLEDflashesAMBER.
Thecontrolunithasinternalmemoryandretainstheprevioussettingsduringthepower
outage.
NOTE:Duringapoweroutage,theMA90Zmattressretainstheairaslongasthemattressis
connectedtothe
controlunit.
Low Pressure LED
Intheeventthatthemattresshosedisconnects,analarmsoundsandLowPressureLED
flashesAMBER.Oncethelowpressureproblemisfixed,thecontrolunitresumes
operationinthepreviouslysetmode.
Displaying the Total Run Time (MA95Z)
Everytimethecontrolunitispluggedin,theLCDscreendisplaystheRunTimeinhours
andminutes.Forexample,2,584hoursand25minutesdisplaysas002584Hours000025
Minutes.
TodisplaytheRunTimeduringuse:
1. EnsurethecontrolunitispluggedinandtheStandbyLEDisOn.
2. PressandholdtheSoftandFirmButtonsatthesametime.
3. TheLCDscreendisplaystheRunTimeasdescribedabove.
Powering Up the System
NOTE:Forthisprocedure,refertoFIGURE 2.4.
1. TurnonthepowertothesystembypressingthePowerbuttononthecontrolunit.
NOTE:Oncethebuttonisreleased,aGREENLEDilluminateswhentheunitison.