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<blockquote data-quote="Huevos" data-source="post: 893994" data-attributes="member: 301161">1) DiSEqC motor is just a form of polar mount where the mount, bearings and motor are all contained in a neat package.2) DiSEqC motor and actuator can both be set up as DiSEqC 1.2 (i.e. find positions and save) but only a DiSEqC motor can be set up as USALS. USALS means you enter your coordinates and the motor does the maths and automatically points the dish in the right direction without having to do the find/save procedure for each satellite.3) Horizon-to-horizon means 75º in either direction.4) A DiSEqC or H2H motor scans across the arc at a constant speed. An actuator doesn't. That means at 50E you might have 10 counts per degree while at 50W you might only have 3 counts per degree. This makes setting up harder work because it is more difficult to predict where each satellite is during the set up procedure.5) IIRC, CJ's setup doesn't nail the satellites every time. I had the same trouble when I was using the Gibertini dish. Always had to fiddle with the V-box remote to get signal lock on weak channels. This situation is worse as the actuator is near full extension as less counts move the dish faster and faster, and the dish starts to feel 'loose' along the direction of the arc, i.e. it has lash.</blockquote>

[QUOTE="Huevos, post: 893994, member: 301161"] 1) DiSEqC motor is just a form of polar mount where the mount, bearings and motor are all contained in a neat package. 2) DiSEqC motor and actuator can both be set up as DiSEqC 1.2 (i.e. find positions and save) but only a DiSEqC motor can be set up as USALS. USALS means you enter your coordinates and the motor does the maths and automatically points the dish in the right direction without having to do the find/save procedure for each satellite. 3) Horizon-to-horizon means 75º in either direction. 4) A DiSEqC or H2H motor scans across the arc at a constant speed. An actuator doesn't. That means at 50E you might have 10 counts per degree while at 50W you might only have 3 counts per degree. This makes setting up harder work because it is more difficult to predict where each satellite is during the set up procedure. 5) IIRC, CJ's setup doesn't nail the satellites every time. I had the same trouble when I was using the Gibertini dish. Always had to fiddle with the V-box remote to get signal lock on weak channels. This situation is worse as the actuator is near full extension as less counts move the dish faster and faster, and the dish starts to feel 'loose' along the direction of the arc, i.e. it has lash. [/QUOTE]

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