Celestron CGE800, CGE925, CGE1100 Tour Mode, Constellation Tour, Direction Buttons, Rate Button

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Tour Mode

The CGE includes a tour feature which automatically allows the user to choose from a list of interesting objects based on the date and time in which you are observing. The automatic tour will display only those objects that are within your set filter limits (see Filter Limits in the Setup Procedures section of the manual). To activate the Tour mode, press the TOUR key (6) on the hand control. The CGE will display the best objects to observe that are currently in the sky.

To see information and data about the displayed object, press the INFO key.

To slew to the object displayed, press ENTER.

To see the next tour object, press the Up key.

Constellation Tour

In addition to the Tour Mode, the CGE telescope has a Constellation Tour that allows the user to take a tour of all the best objects in each of the 88 constellations. Selecting Constellation from the LIST menu will display all the constellation names that are above the user defined horizon (filter limits). Once a constellation is selected, you can choose from any of the database object catalogs to produce a list of all the available objects in that constellation.

To see information and data about the displayed object, press the INFO key.

To slew to the object displayed, press ENTER.

To see the next tour object, press the Up key.

Direction Buttons

The CGE has four direction buttons (3) in the center of the hand control which control the telescope's motion in altitude (up and down) and azimuth (left and right). The telescope can be controlled at nine different speed rates.

Rate Button

Pressing the RATE key (11) allows you to instantly change the speed rate of the motors from high speed slew rate to precise guiding rate or anywhere in between. Each rate corresponds to a number on the hand controller key pad. The number 9 is the fastest rate (4º per second, depending on power source) and is used for slewing between objects and locating alignment stars. The number 1 on the hand control is the slowest rate (.5x sidereal) and can be used for accurate centering of objects in the eyepiece and photographic guiding. To change the speed rate of the motors:

Press the RATE key on the hand control. The LCD will display the current speed rate.

Press the number on the hand control that corresponds to the desired speed. The number will appear in the upper-right corner of the LCD display to indicate that the rate has been changed.

The hand control has a "double button" feature that allows you to instantly speed up the motors without having to choose a speed rate. To use this feature, simply press the arrow button that corresponds to the direction that you want to move the telescope. While holding that button down, press the opposite directional button. This will increase the slew rate to the maximum slew rate.

When pressing the Up and Down arrow buttons in the slower slew rates (6 and lower) the motors will move the telescope in the opposite direction than the faster slew rates (7 thru 9). This is done so that an object will move in the appropriate direction when looking into the eyepiece (i.e. pressing the Up arrow button will move the star

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Contents CGE800 CGE925 CGE1100 CGE1400 User Defined Objects Telescope Maintenance Some of the many standard features of the CGE include CGE 1400 Shown 12v Output JackCounterweight Setting up the TripodPower Supply DiagonalAttaching the Center Leg Brace Attaching the Electronics PierCounterweight Locking Screw Safety Screw Washer Installing the Counterweight BarInstalling the Counterweight Attaching the Equatorial MountAttaching the Visual Back Attaching the Optical Tube to the MountDovetail Slide Bar Dovetail Locking Knobs Mounting Platform Installing the Star Diagonal Installing the EyepieceInstalling the Finderscope Adjusting the Mount Moving the Telescope ManuallyBalancing The Mount in R.A Balancing The Mount in DECAttaching the Motor Cables Powering the TelescopeTransporting the CGE Page CGE Hand Control Double Stars Named StarsNamed Objects Variable StarsAlignment Procedures Startup ProcedureAuto Two-Star Align Auto One-Star AlignLast Alignment Quick-AlignCGE Re-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 Page CGE Ready Image Orientation Calculating Magnification FocusingDetermining Field of View General Observing Hints Celestial Coordinate System Motion of the Stars Latitude Scales Pointing at PolarisFinding the North Celestial Pole Declination Drift Method of Polar Alignment Observing the Planets Observing the MoonLunar Observing Hints Planetary Observing HintsObserving Deep Sky Objects Observing the SunSolar Observing Hints Seeing ConditionsSeeing Short Exposure Prime Focus Photography Eyepiece Projection FullLong Exposure Prime Focus Photography Planet ISO Moon Mercury Venus Mars Jupiter SaturnPeriodic Error Correction PEC Using Periodic Error Correction Reducing Vibration Terrestrial PhotographyMetering CCD ImagingFastar Compatible Optical System Fastar F/2 Imaging Medium size to small galaxies With Reducer/CorrectorPlanetary or Lunar Auto Guiding Care and Cleaning of the Optics CollimationCollimated 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 Appendix B RS-232 Connection Communication ProtocolAdditional RS232 Commands Reset The Position Of Azm Or AltAppendix C Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty