Celestron C6-RGT, Advanced Series GT manual Appendix D RS-232 Connection

Page 58

Appendix D - RS-232 Connection

You can control your telescope with a computer via the RS-232 port on the computerized hand control and using an optional RS-232 cable (#93920). Once connected, the telescope can be controlled using popular astronomy software programs.

Communication Protocol:

The Advanced GT communicates at 9600 bits/sec, No parity and a stop bit. All angles are communicated with 16 bit angle and communicated using ASCII hexadecimal.

Description

PC Command ASCII

Hand Control Response

Notes

Echo

Kx

X#

Useful to check communication

Goto Azm-Alt

B12AB, 4000

#

10 characters sent. B=Command,

 

 

 

12AB=Azm, comma, 4000=Alt. If

 

 

 

command conflicts with slew limits,

 

 

 

there will be no action.

Goto Ra-Dec

R34AB, 12CE

#

Scope must be aligned. If

 

 

 

command conflicts with slew limits,

 

 

 

there will be no action.

Get Azm-Alt

Z

12AB, 4000#

10 characters returned,

 

 

 

12AB=Azm, comma, 4000=Alt, #

Get RA-Dec

E

34AB, 12CE#

Scope must be aligned

Cancel Goto

M

#

 

Is Goto in Progress

L

0# or 1#

0=No, 1=Yes; "0" is ASCII

 

 

 

character zero

Is Alignment Complete

J

0# or 1#

0=No, 1=Yes

Commands below

 

 

 

available on version 1.6

 

 

 

or later

 

 

 

HC version

V

22

Two bytes representing V2.2

Stop/Start Tracking

Tx

#

Alt-Az tracking requires alignment

 

x = 0 (Tracking off)

 

 

 

x = 1 (Alt-Az on)

 

 

 

x = 2 (EQ-N)

 

 

 

x = 3 (EQ-S)

 

 

32-bit goto RA-Dec

r34AB0500,12CE0500

#

 

32-bit get RA-Dec

e

34AB0500,12CE0500#

The last two characters will always

 

 

 

be zero.

Commands below

 

 

 

available on version 2.2

 

 

 

or later

 

 

 

32-bit goto Azm-Alt

b34AB0500,12CE0500

#

 

32-bit get Azm-Alt

z

34AB0500,12CE0500#

The last two characters will always

 

 

 

be zero.

The cable required to interface to the telescope has an RS-232 male plug at one end and a 4-4 telephone jack at the other end. The wiring is as follows:

58

Page 57 Page 59
Image 58
Page 57 Page 59
Contents Advanced Series Advanced Series GT Assembly Version Get Alt-Az Goto Alt-Az Hibernate Turn On/Off GPS Page Advanced Series C6-R C8-N ShownAdvanced Series C6-RGT Setting up the Tripod Attaching the Equatorial MountInstalling the Counterweight Bar Attaching the Center Leg BraceInstalling the Counterweight Attaching the Hand Control Holder Advanced GT Models OnlyAttaching the Telescope Tube to the Mount Installing the Finderscope Balancing the Tube in R.A Telescope Tube CompletelyAdjusting the Mount Adjusting the Mount in AltitudePowering the Telescope Adjusting the Mount in AzimuthAttaching the Declination Cable For GT Models Only Advanced GT Hand Control Hand Control Operation Double StarsAlignment Procedures Startup ProcedureAuto Align Auto Three-Star AlignLast Alignment Quick-AlignRe-Alignment Slewing to an Object Object CatalogSelecting an Object Finding PlanetsDirection Buttons Tour ModeConstellation Tour Rate ButtonSetup Procedures Identify Scope Setup Features Precise GoToObserving Tip Helpful Hint Utility Features Helpful Hint Advanced GT Image Orientation Aligning the Finderscope FocusingCalculating Magnification Determining Field of View General Observing HintsCelestial Coordinate System Motion of the Stars Pointing at Polaris Finding the North Celestial Pole Declination Drift Method of Polar Alignment Observing the Planets Observing the MoonLunar Observing Hints Observing the SunSeeing Conditions Solar Observing HintsObserving Deep Sky Objects TransparencyUsing the Lens Cap Aperture Stop Piggyback Short Exposure Prime Focus Photography Metering Terrestrial PhotographyReducing Vibration Auto Guiding Care and Cleaning of the Optics CollimationCollimated telescope Should appear as a Page Page Page Appendix a Technical Specifications Appendix B Glossary of Terms Page Eclipsing or obscuring the brightness of the star Appendix C Longitudes Latitudes Georgia Minnesota Rhode Island Canada Appendix D RS-232 Connection Additional RS232 Commands Appendix E Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty
Related manuals
Manual 69 pages 47.02 Kb

Advanced Series GT, C6-R, C6-RGT specifications

The Celestron C6-RGT and C6-R models, part of the Advanced Series GT lineup, are popular choices for amateur astronomers seeking high-quality optics and reliable features. The C6-RGT, equipped with a 6-inch refractor, is designed for both visual and astrophotographic pursuits. Its impressive features make it a great option for anyone looking to explore the night sky in greater detail.

One of the standout characteristics of the C6-RGT is its large 6-inch aperture, which allows for exceptional light-gathering capability. This feature is crucial for viewing faint celestial objects, giving users the ability to observe details in nebulae, galaxies, and star clusters. The refractor design minimizes chromatic aberration, ensuring sharp and clear images across a wide range of viewing conditions.

The telescope comes with a fully multi-coated optics system that enhances light transmission and contrast, creating brighter and clearer images. The C6-R is also designed with a robust aluminum tube that not only ensures durability but also helps maintain stability during long observing sessions.

The Advanced Series GT mount is another essential element of the C6-RGT and C6-R models. This computerized mount features a sturdy, stable design that supports a wide range of telescopes while providing smooth tracking of celestial objects. The GoTo technology allows users to locate and track over 40,000 celestial objects with ease. This high level of automation is particularly helpful for beginners who may be unfamiliar with the night sky.

Another notable feature of the Advanced Series GT is its ability to be controlled through a smartphone or tablet, thanks to Celestron's SkyPortal app. This integration opens doors for enhanced stargazing experiences, offering customizable tours and educational information right at your fingertips.

In terms of usability, both models have a comfortable height and the mount can be easily adjusted to accommodate various observing positions. The telescope is also portable, making it convenient for outreach events or trips to dark-sky locations.

Overall, the Celestron C6-RGT and C6-R models, with their combination of powerful optics, advanced technology, and user-friendly features, represent an excellent choice for both budding astronomers and passionate enthusiasts. With Celestron’s commitment to quality and innovation, these telescopes promise to deliver unforgettable views of the wonders of the universe.
Top Page Image Contents