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kemosabe
newbie
Reged: 08/27/06
Posts: 4
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I bought a portable Sony DVD player to use with a Meade electronic eyepiece, picture wants to roll, ( no horizonal hold) on screen. Am I getting wrong kind of signal from eyepiece? I thought I read somewhere that these were being used together. If not, what can be used with DVD player. THANKS
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ccs_hello
Carpal Tunnel
Reged: 07/03/04
Posts: 2805
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Usually it's one end out of spec. such that H-frequency can not be acquired and locked-in.
My gut feeling: (cheap) electronic eyepiece is out of spec. while SONY DVD player (used as video monitor) spec/tolerance is too tight.
Sometimes, slightly adjust elec. eyepiece's supply voltage may alter the frequency enough such that video monitor can lock in.
Clear Skies!
ccs_hello
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jgraham
Postmaster
Reged: 12/02/04
Posts: 5370
Loc: Dayton, Ohio
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I used a fairly old portable DVD player as a monitor for my Meade Electronic eyepiece and it worked fairly well, so it can be done.
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-John
================================================
Homebuilt scopes from 4.25-16.5"
Meade LXD75-N6/SN6/SC8, DSX-90, ETX-60BB, ETX-125PE, DS-2130
Orion StarBlast, BinoViewers, Coronado PST
Rebel XT/XTi, DSI Pro (I & II), DSI, LPI, Electronic Eyepiece, Phillips SPC900NC
Tasco 60mm Refractors
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ccs_hello
Carpal Tunnel
Reged: 07/03/04
Posts: 2805
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A well known issue on NTSC is:
it's also known as "Never The Same Color".
I should add NTSC spec can be losen a bit and some device will work and some won't. The infamous Macrovision (tweak beyond the spec.) is the best example.
Similarly, over the years I have seen incorrectly implemented video gears run into compatibility issues.
Standards are set up to determine which end/side is non-compliant.
Clear Skies!
ccs_hello
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Sky Captain
Scope Builder
Reged: 11/07/04
Posts: 5743
Loc: Seattle Washington
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Quote:
I used a fairly old portable DVD player as a monitor for my Meade Electronic eyepiece and it worked fairly well, so it can be done.
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-John
Same here.
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Equipment Overload!
Kerry.
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