Celestron CGE1100, CGE925, CGE800 manual Additional RS232 Commands, Reset The Position Of Azm Or Alt

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Additional RS232 Commands

Send Any Track Rate Through RS232 To The Hand Control

1.Multiply the desired tracking rate (arcseconds/second) by 4. Example: if the desired trackrate is 150 arcseconds/second, then TRACKRATE = 600

2.Separate TRACKRATE into two bytes, such that (TRACKRATE = TrackRateHigh*256 + rackRateLow). Example: TrackRateHigh = 2 TrackRateLow = 88

3.To send a tracking rate, send the following 8 bytes:

a.Positive Azm tracking: 80, 3, 16, 6, TrackRateHigh, TrackRateLow, 0, 0

b.Negative Azm tracking:80, 3, 16, 7, TrackRateHigh, TrackRateLow, 0, 0

c.Positive Alt tracking: 80, 3, 17, 6, TrackRateHigh, TrackRateLow, 0, 0

d.Negative Alt tracking: 80, 3, 17, 7, TrackRateHigh, TrackRateLow, 0, 0

4.The number 35 is returned from the handcontrol

Send A Slow-Goto Command Through RS232 To The Hand Control (note: Only valid for motorcontrol version 4.1 or greater)

1.Convert the angle position to a 24bit number. Example: if the desired position is 220°, then POSITION_24BIT = (220/360)*224 = 10,252,743

2.Separate POSITION_24BIT into three bytes such that (POSITION_24BIT = PosHigh*65536 + PosMed*256 + PosLow). Exampe: PosHigh = 156, PosMed = 113, PosLow = 199

3.Send the following 8 bytes:

a.Azm Slow Goto: 80, 4, 16, 23, PosHigh, PosMed, PosLow, 0

b.Alt Slow Goto: 80, 4, 17, 23, PosHigh, PosMed, PosLow, 0

4.The number 35 is returned from the handcontrol

Reset The Position Of Azm Or Alt

1.Convert the angle position to a 24bit number, same as Slow-Goto example.

2.Send the following 8 bytes:

a.Azm Set Position: 80, 4, 16, 4, PosHigh, PosMed, PosLow, 0

b.Alt Set Position: 80, 4, 17, 4, PosHigh, PosMed, PosLow, 0

3.The number 35 is returned from the handcontrol

4.Note: If using Motorcontrol version less than 4.1, then send:

a.Azm Set Position: 80, 3, 16, 4, PosHigh, PosMed, PosLow, 0

b.Alt Set Position: 80, 3, 17, 4, PosHigh, PosMed, PosLow, 0

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Contents CGE800 CGE925 CGE1100 CGE1400 User Defined Objects Telescope Maintenance Some of the many standard features of the CGE include 12v Output Jack CGE 1400 ShownPower Supply Setting up the TripodCounterweight DiagonalAttaching the Electronics Pier Attaching the Center Leg BraceInstalling the Counterweight Installing the Counterweight BarCounterweight Locking Screw Safety Screw Washer Attaching the Equatorial MountDovetail Slide Bar Dovetail Locking Knobs Mounting Platform Attaching the Optical Tube to the MountAttaching the Visual Back Installing the Eyepiece Installing the Star DiagonalInstalling the Finderscope Moving the Telescope Manually Adjusting the MountBalancing The Mount in DEC Balancing The Mount in R.ATransporting the CGE Powering the TelescopeAttaching the Motor Cables Page CGE Hand Control Named Objects Named StarsDouble Stars Variable StarsStartup Procedure Alignment ProceduresAuto One-Star Align Auto Two-Star AlignCGE Re-Alignment Quick-AlignLast Alignment Selecting an Object Object CatalogSlewing to an Object Finding PlanetsConstellation Tour Tour ModeDirection Buttons Rate ButtonSetup Procedures Identify Precise GoTo Scope Setup FeaturesObserving Tip Helpful Hint Utility Features Helpful Hint Page CGE Ready Image Orientation Determining Field of View FocusingCalculating Magnification General Observing Hints Celestial Coordinate System Motion of the Stars Pointing at Polaris Latitude ScalesFinding the North Celestial Pole Declination Drift Method of Polar Alignment Lunar Observing Hints Observing the MoonObserving the Planets Planetary Observing HintsSolar Observing Hints Observing the SunObserving Deep Sky Objects Seeing ConditionsSeeing Short Exposure Prime Focus Photography Full Eyepiece ProjectionPlanet ISO Moon Mercury Venus Mars Jupiter Saturn Long Exposure Prime Focus PhotographyPeriodic Error Correction PEC Using Periodic Error Correction Metering Terrestrial PhotographyReducing Vibration CCD ImagingFastar Compatible Optical System Fastar F/2 Imaging Planetary or Lunar With Reducer/CorrectorMedium size to small galaxies Auto Guiding Collimation Care and Cleaning of the OpticsCollimated telescope Should appear Symmetrical with Page At f/10 and 163 power with the CGE Page Technical Specifications Idle Current Appendix a Longitudes Latitudes Georgia Minnesota Rhode Island Canada Communication Protocol Appendix B RS-232 ConnectionReset The Position Of Azm Or Alt Additional RS232 CommandsAppendix C Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty