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A N E M P L O Y E E - O W N E D C O M P A N Y
Copyright © 2021 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents
may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes & Binoculars.
INSTRUCTION MANUAL
GoTo Mount
#10010
Pro AZ/EQ-G
Corporate Offices: 89 Hangar Way, Watsonville CA 95076 - USA
Toll Free USA & Canada: (800) 447-1001
International: +1(831) 763-7000
Customer Support: support@telescope.com
IN 479 Rev. B 06/17

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Summary of Contents for Orion Atlas Pro AZ/EQ-G GoTo Mount

  • Page 1 A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2021 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes &...
  • Page 2: Unpacking

    Orion Atlas Pro AZ/EQ-G GoTo Figure 1. The Atlas Pro AZ/EQ-G mount Mount. Designed for use in either alt- azimuth or equatorial modes, this ver- satile, precision GoTo mount provides a stable, high-performance platform for astronomical observing or astrophotog- raphy.
  • Page 3: Table Of Contents

    Accessory AZ/EQ tray mount head Camera control cable PC interface Secondary (serial) cable saddle Counterweight shaft extension Tripod SynScan hand controller Hand controller cable Set of Allen wrenches Counter- Washer Hand DC power cable weights controller Cable guide Knob bracket Figure 2.
  • Page 4: Setting Up The Atlas Pro Az/Eq-G Mount

    2. Setting Up the Atlas Pro AZ/EQ-G Mount Setting Up the Tripod and Mount Head Stand the tripod upright and spread the legs out as far as they will go. Make certain that the leg lock levers are tightened. Keep the tripod legs at their shortest (fully retracted) length, for now;...
  • Page 5: Attaching The Counterweights

    Upper knob Center Accessory support Slot tray/spreader shaft Hand controller bracket Figure 6. Hand controller bracket snaps into the slot in the Washer accessory tray. Knob Figure 4. Installing the tripod leg spreader, which doubles as an eyepiece/accessory tray. T-bolt Bubble level Figure 5.
  • Page 6: Installing A Telescope On The Mount

    R.A. clutch handle Dec clutch “captain’s wheel” Figure 9. The included 150mm counterweight shaft threads into the bottom of the main shaft. 75mm, wide Clamp knobs 45mm, narrow Figure 10. The primary dual-width saddle accommodates narrow Figure 8. a) Right ascension clutch. The handle can be placed in or wide dovetail plates.
  • Page 7: Balancing The Telescope

    anced. We will first balance the telescope with respect to the right ascension (R.A.) axis, then the declination (Dec.) axis, in Thumbscrew the equatorial mode. lock Keeping one hand on the telescope optical tube, loosen the R.A. clutch (Figure 8a). Make sure the Dec. clutch setting “captain’s wheel”...
  • Page 8: Adjusting The R.a. Axis Elevation (Latitude)

    in the Southern Hemisphere; the middle scale is used to indicate the right ascension in Equatorial mode when Altitude lock knobs operating in the Northern Hemisphere; the lower scale is used to indicate the azimuth angle when operating in Alt- azimuth mode.
  • Page 9 Alt-azimuth mode lock hole Short knob Long knob Long knob Figure 15. Single scope mount setup in Alt-Azimuth mode, with one counterweight added. Note: • When setting the mount to Equatorial mode, the longer knurled knob on the left side of the mount must first be moved to the lower threaded hole on the same side, otherwise the mount may be damaged when cranking Short knob...
  • Page 10: Mounting A Second Telescope (Alt-Azimuth Mode Only)

    Mounting a Second Telescope (Alt-azimuth Secondary saddle mode only) The secondary telescope saddle (included) can be installed at Allen screw the end of the Atlas Pro mount’s counterweight shaft to mount a second telescope. Slide the counterweight shaft out and rotate it so the flat strip at the end of the shaft is facing up, then lock the shaft with the T-bolt.
  • Page 11: Polar Alignment

    4. Polar Alignment What Is It? When you look at the night sky, you no doubt have noticed that the stars appear to move slowly from east to west over time. That motion is actually caused by the Earth’s rotation (from Polar axis west to east).
  • Page 12: Aligning The Polar Axis Scope To The R.a. Axis

    Aligning the Polar Axis Scope to the R.A. Axis Before using the polar scope for polar alignment, the polar scope itself must be aligned to the mount’s R.A. axis. The reticle of the polar axis finder scope has a tiny star map printed on it that makes precise polar alignment quick and easy (Figure 21).
  • Page 13: Another Way To Determine Position Of Polaris On Reticle

    Now, sight Polaris in the polar axis finder scope. If it’s not in the field of view, move the mount left or right using the azimuth adjustment knobs, and adjust the altitude up or down using the jackscrew until Polaris is visible in the polar scope.
  • Page 14: Drive Panel Interface

    5. Drive Panel Interface Drive Panel The drive panel of the Atlas Pro AZ/EQ-G is shown in Figure Panel Interface Components: POWER: This is a threaded 12V DC power input jack that pro- vides a secure connection to the power source. The 12V DC Power LED “cigarette lighter”...
  • Page 15: Other Atlas Pro Az/Eq-G Features

    Internal Circuit HAND CONTROL Vpp+ RX(3.3V) Optoisolator TX(3.3V) TRIGGER Control Signal DELAYED TRIGGER 10uF/25V DEC- DEC+ POWER AUTO GUIDE SNAP Figure 25. Schematic diagram of the drive panel port circuitry. continue tracking even when a user unlocks the clutches and manually rotates the mount in R.A.
  • Page 16 A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2021 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents...

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10010

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