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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Antenna's focal point - "le point G"
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<blockquote data-quote="skomedal" data-source="post: 897839" data-attributes="member: 280388"><p><img src="http://www.satellites.co.uk/data/attachments/53/53787-2a9295f399822d9426a3472701ee6a2b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Was this custom made for the purpose of lining up lnbs to target point on dish?</p><p></p><p>Looks like a heath robinson device, laser pointer inserted in a collar with same dimensions as a lnb.</p><p></p><p>Many variables here laser pointers are notorious for not having a true exit beam and does it have a snug fit in the collar,, 1 mm at source can give false reading even at so short distance.</p><p></p><p>Excuse my silly questions.</p><p></p><p>Regards</p><p></p><p>""" <em>IMPORTANT:</em> prior to mounting the laser pointer, you should check if the laser beam doesn't have a lateral deviation. Put the laser pointer on a flat surface (e.g. table) and point the laser beam at a wall which is +/- 5 m away. Now slowly <em>roll</em> the pointer around it's axe (without moving it sidewards!). The red laser spot at the wall should not move. If it does move (or describes a small circle), then the laser beam is not correctly aligned with the body of the pen.</p><p></p><p>Link <a href="http://www.scavalon.be/avalonuk/technical/laserclino.htm" target="_blank">http://www.scavalon.be/avalonuk/technical/laserclino.htm</a></p></blockquote><p></p>
[QUOTE="skomedal, post: 897839, member: 280388"] [IMG]http://www.satellites.co.uk/data/attachments/53/53787-2a9295f399822d9426a3472701ee6a2b.jpg[/IMG] Was this custom made for the purpose of lining up lnbs to target point on dish? Looks like a heath robinson device, laser pointer inserted in a collar with same dimensions as a lnb. Many variables here laser pointers are notorious for not having a true exit beam and does it have a snug fit in the collar,, 1 mm at source can give false reading even at so short distance. Excuse my silly questions. Regards """ [I]IMPORTANT:[/I] prior to mounting the laser pointer, you should check if the laser beam doesn't have a lateral deviation. Put the laser pointer on a flat surface (e.g. table) and point the laser beam at a wall which is +/- 5 m away. Now slowly [I]roll[/I] the pointer around it's axe (without moving it sidewards!). The red laser spot at the wall should not move. If it does move (or describes a small circle), then the laser beam is not correctly aligned with the body of the pen. Link [url]http://www.scavalon.be/avalonuk/technical/laserclino.htm[/url] [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Antenna's focal point - "le point G"
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