Post on 04-Nov-2018
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ExploreScientificTrussDobsonian–10”to16”:EncodersInstallation
Specifications:AltitudeEncoderresolution:
10”-304000stepsperrevolution12”-321300stepsperrevolution16”-370732stepsperrevolution
AzimuthEncoderresolution:8192stepsperrevolutionCurrentconsumption:20mA–altitudeencoder,10mA–azimuthencoderNote:Pleasesettheencoderstepstothevaluescorrespondingtothemodelofyourtelescope:
Donotsubjectencoderdiskstomagneticfieldsasitmayaffectthemagnetizationofthemagneticmulti-polerings.
Pleasemakesurethatyouhaveallthepartsincludedinthekit:
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AzimuthencoderinstallationYouwillneedthefollowingpartstoinstalltheazimuthencoder:
Pleaseremovethemirrorboxfromtherockerbox:
Pleaselocatethethreadedholeinthepivotbolt:
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YouwillneedthesetscrewandtheAllenkey:
PutthesetscrewintothethreadedholeandmakeacoupleofturnsbutleavetheAllenkeyinthesetscrew:
Cleanthesurfaceinthebackwithanalcoholwipe–wheretheencoder’sfootwillbeglued.Removetheprotectivefilmfromtheencoder’sfoot:
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Tightenthesetscrew
Theazimuthencoderisnowinstalled:
Installtheencodercable:
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AltitudeencoderinstallationYouwillneedthefollowingpartstoinstallthealtitudeencoder:
Putthemirrorboxintotherockerboxandcleantheinternalsurfaceofthealtitudebearing(onthesamesideaswherethefocuseris)withthealcoholwipe:
Installtheencoderreaderstartingwiththelefthole:
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Thenputthesecondknobin
Positionthetelescopevertically.Nowyouneedtouseapenciltomarkthestartofthemagnetictape–itshouldbeapproximately10-15mm(~1/2”)fromtherightsideofthereader:
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Drawalinewiththepencil
Nowremovethereader
Removetheprotectivefilmfromthebackofthemagnetictape–donotremoveitcompletely,justafewcentimeters: