SKY-WATCHER EQ-AL55i Pro Mount Instruction Manual

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INSTRUCTION MANUAL

EQ-AL55

Mount

Table of Contents

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Do you have a question about the EQ-AL55i Pro Mount and is the answer not in the manual?

Questions and answers

Bobby Middleton

April 19, 2025

Is there a backlash compensation setting?

1 comments:

Mr. Anderson

May 10, 2025

Yes, the SKY-WATCHER EQ-AL55i Pro Mount has mechanical adjustments to reduce backlash, including a push-pull arrangement on the DEC axis and adjustments involving shims and gear alignment. However, there is no mention of an electronic backlash compensation setting.

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Summary of Contents for SKY-WATCHER EQ-AL55i Pro Mount

Page 2: Table Of Contents
CONTENT Parts Diagram PART I:Installation of the EQ-AL55 Mount ... Part II:Configuration and Balancing of the EQ-AL55 Mount Part III:Polar Alignment with Polar Finder Part IV: Part V: Part V : Installation and Use of the Telescope PART V : Operating Your Telescope PARTVI : Observing the Sky PART I : Proper Care for Your Telescope...
Page 3: Part I:installation Of The Eq-Al55 Mount
PART I:Installation of the EQ-AL55 Mount to the tripod...
Page 4 PART I:Installation of the EQ-AL55 ount...
Page 5: Part Ii:configuration And Balancing Of The Eq-Al55 Mount
Part II:Configuration and Balancing of the EQ-AL55 Mount...
Page 6: Part Iii:polar Alignment With Polar Finder
Part III:Polar Alignment with Polar Finder A pattern similar to fig. 9 showing where Polaris should be located, is represented in the app. Move Polaris to that corresponding position in the polar scope by using the fine tuning movements of the equatorial wedge (see fig. 2 knob 4 and fig. 1 knobs 5). Then move the four stars to the four small circles of the “Octans”...
Page 7 Different methods to control the mount via built in WiFi or cable When controlling your mount via WiFi and your smart device, you need to download and install the SynScan Pro app which is available at no cost in the Google Play Store and Apple Store.
Page 9 Autoguiding with an external camera is a method to improve the tracking movement of the mount when taking pictures with long exposure times where high tracking precision is needed. The communication with the EQ-AL55i Pro mount for operation with autoguiding can be done via the autoguider port (ST4 type) or via the USB port.
Page 10: Part V : Installation And Use Of The Telescope
Part V : Installation and Use of the Telescope Your telescope should be assembled for the first time in bright light conditions, inside, or at daytime, in an open area to keep an overview of all parts when unpacking and mounting.
Page 11 Part V : Installation and use of the telescope...
Page 12 Part V : Installation and use of the telescope...
Page 13 Part V : Installation and Use of the Telescope bracket into the rectangular slot and tighten...
Page 14 Part IV: Installation and use of the telescope...
Page 15: Part V : Operating Your Telescope
PART V : Operating Your Telescope meters( Point the telescope exactly to have the object well centered in the eyepiece of the telescope if the same object is also well centered on the crosshairs he red dot finder is powered by a 3V lithium battery located under a removable cover. When new, this battery may be protected by plastic strip which should be removed before use.
Page 16 Slowly turn the focus knob one way or the other, until the image in the eyepiece is sharp (fig.5.2a). Check if the accessories and adapters you use are corresponding to the instructions of the manual if a sharp image cannot be reached.
Page 17 A good way to choose the right eyepiece for observation of bright objects (moon, planets etc.) is to start with a low power eyepiece, and increase the magnification step by step until you get the impression that increasing magnification does not provide more details in the image.
Page 18: Partvi : Observing The Sky
PART VI : Observing the sky...
Page 19: Part I : Proper Care For Your Telescope
PART I : Proper Care for Your Telescope Do not clean the telescope mirror or lens surface unless you are familiar with lens surfaces. A little dust on these surfaces will not noticeably affect the image quality. Contact your dealer for advice if these surfaces are more dirty than just some dust.