ASTRO DEVICES SkyWatcher Dobsonian User manual

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Copyright"©"2022,"Astro"Devices."All"rights"reserved.""
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SkyWatcher Dobsonian 6-16” Telescop es:
Encoders Installation
Please"make"sure"that"you"have"all"the"parts"included"in"the"kit:"
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Specifications:-
Azimuth"Encoder"resolution:"8192"steps"per"revolution"
Altitude"Encoder"resolution:"8192"steps"per"revolution"
Current"consumption:"10mA"–"Azimuth"encoder,"10mA"–"Altitude"encoder"
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Copyright"©"2022,"Astro"Devices."All"rights"reserved.""
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Azimuth encoder installation
Please"remove"the"OTA"from"the"base."Then"remove"the"azimuth"pivot"bolt."
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You"will"find"a"plastic"insert."You"need"to"remove"it"and"replace"it"with"the"bushing"supplied.""
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You"will"need"the"following"parts"for"the"next"step:"
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Insert"the"bushing"provided"and"push"it"into"the"hole."You"need"the"washer"and"the"pivot"bolt:"
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Put"the"new"pivot"bolt"into"the"bushing:"
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Now"turn"the"base"around"or"put"the"whole"base"on"a"side:"
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Now"thread"the"mounting"plate"onto"the"pivot"bolt"until"the"plate"cannot"be"rotated:"
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Now"you"need"to"drill"a"small"hole"using"a"1.5-2mm"drill"bit:""
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Drill"three"holes"–"for"each"screw."

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You"now"need"a"screwdriver"and"three"screws"for"mounting"the"plate:"
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Use"the"screwdriver"to"fix"the"plate"in"place:"
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Tighten"two"set"screws"using"the"supplied"Allen"key"(make"sure"that"the"rocker"box"can"still"rotate"
freely"before"tightening"the"set"screws):"
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Now"you"need"the"following"parts:"
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Put"the"tangent"arm"on"the"pivot"bolt:"
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You"will"need"to"install"the"anchor"bolt:"
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Mark"the"position"of"the"anchor"bolt’s"base"with"a"pencil:"
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Unscrew"the"anchor"bolt"from"its"base."Drill"holes"for"screws."Use"the"supplied"screws"to"install"the"
base"of"the"anchor"bolt:"
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And"screw"the"anchor"bolt"back"in"place:"
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You"will"need"the"following"parts"for"the"next"step"(most"of"them"are"in"the"box"with"the"encoder):"
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Use"the"spacer"to"slide"the"white"shaft"adapter:"
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Install"the"black"shaft"adapter"over"the"white"adapter:"
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And"push"it"down:"
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Put"the"encoder"base"plate"and"start"threading"the"screws"but"do"not"tighten"them"yet:"
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11"
Use"the"alignment"tool"to"centre"the"encode"base"plate:"
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Tighten"the"screws:"
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Remove"the"alignment"tool:"
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Now"install"the"encoder"and"push"it"into"place:"
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You"will"need"the"encoder"housing"now:"
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Plug"the"connector"into"the"encoder:"
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Put"the"housing"onto"the"encoder"and"fix"it"with"the"supplied"screws:"
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Copyright"©"2022,"Astro"Devices."All"rights"reserved.""
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Altitude encoder installation
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You"will"need"the"following"parts:"
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Remove"one"of"the"handles:"

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And"replace"it"with"the"altitude"encoder"shaft"adapter:"
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Insert"the"altitude"encoder’s"shaft"into"the"adapter:"
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Then"position"the"tangent"arm"at"an"angle"(to"the"right"or"to"the"left"but"it"should"not"be"positioned"
vertically)"insert"the"anchor"bolt"into"the"slot:"

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Use"a"pencil"to"trace"the"outside"of"the"anchor"bolt’s"base:"
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Unscrew"the"anchor"bolt"from"its"base."Drill"holes"for"the"screws"and"put"the"screws"in:"
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Put"the"anchor"bolt"back"in:"
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Now"install"the"tangent"arm"starting"from"the"bottom"slot:"
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Copyright"©"2022,"Astro"Devices."All"rights"reserved.""
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Then"insert"the"encoder"shaft"into"the"adapter"and"tighten"the"thumbscrew:"
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That"completes"the"installation"of"the"encoders."
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DONE!"Now"plug"the"encoder"cable"into"the"jacks"of"the"encoders"and"
connect""it"to"the"DSC!"
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Copyright"©"2022,"Astro"Devices."All"rights"reserved.""
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Please"set"the"azimuth"encoder"steps"to"8192"and"altitude"encoder"steps"to"
8192"and"follow"the"instructions"of"your"DSC"on"setting"the"signs"for"the"
encoder"steps"correctly."