Manual

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Taking proper care of the FMD (Face Mounted
Display) is important for optimal functioning of the
equipment.  Occasionally, the FMD lens should be
wipedwiththelintfreelenswipethatisprovided.This
can be done to remove fingerprints from the lenses.
You can also use a lens cloth (e.g., from a camera
shop).Papertowelsorhouseholdclothsmayscratch
ordamagethelensesandshouldnotbeused.Avoid
exposing the FMD to liquids.  Cleaning solutions
should not be used to clean the FMD. Do not use
Isopropyl alcohol or solutions containing alcohol to
cleanthelensesorplasticpartsontheFMD.Youcan
also use a camera pressure canister to occasionally
blowoutdirt.
Youmaywanttocleantheinsideofthehelmetocca-
sionally.BesuretodosowithoutexposingtheFMD
toanyunacceptablematerials,asexplainedabove.
TheFMDshouldbekeptinacleananddrylocationout
ofdirectsunlight.Avoiddirtyorsandyenvironments,
asthesecanleadtoscratchingofopticsanddamage
theFMDmechanicaladjustments.
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163;71/:A/<2A=:D3<BA/:1=6=:03<H7<3/17271=@
/:1/H7<3A=:D3<B1:3/<3@AD=725@/<C:/@=@/0@/
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------------------------------------------------------------------------
#!$)(&
The computer runs the clock of a Complementary
metal–oxide–semiconductor (CMOS) battery
(CR2032). It is recommended that CMOS battery be
replacedevery24months.
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IIn case of a drained battery an additional step
might be necessary to power up the unit. See
(@=C0:3A6==B7<5'31B7=<.
•Timeanddatewillberesetonthestudentreport.
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