and the motor drive system will keep the object centered over time. Remember, never use the
There are four pushbuttons on the hand controller (Figure 9). If no buttons are pushed, the R.A. motor will turn the R.A. axis at sidereal rate to track the motion of the night sky. The left and right buttons move the mount about its R.A. axis and the up and down buttons move the mount about its Dec. axis. The rate of speed is determined by the rate switch at the top right of the hand controller. If the switch is at the 2x position, the mount will move at two times sidereal rate when the right hand button is pushed, which will case objects to viewed in the eye- piece to move slowly eastward. If the left button is pushed, the drive will stop turning, which will cause objects in the eyepiece
to move slowly westward. The top and bottom bottoms will cause the telescope to move in Declination at the 2x speed. Similarly, if the switch is at the 4x or 8x position, the mount will move four times or eight times sidereal rate when a button is pushed.
The 2x sidereal rate is the best setting for making guiding cor- rections during
Note that whenever any of the four buttons on the hand con- troller are pressed, the LED in the center of the controller will shine red; when the button is released, the LED will be green. Also, when the LED starts to blink at a constant rate, its time to change the batteries in the battery pack.
Specifications
Power requirements: 6V DC
Battery type: Four
Operation: Northern or Southern hemisphere
Guiding rates: Sidereal ±100% sidereal
Centering rates: ±4x sidereal, ±8x sidereal
Manual clutches: External, for both R.A. and Dec. axes
Figure 9. The hand controller.
One-Year Limited Warranty
This Orion TrueTrack motor drive system is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail pur- chaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076. If the product is not registered, proof of purchase (such as a copy of the original invoice) is required.
This warranty does not apply if, in Orion’s judgment, the instrument has been abused, mishandled, or modified, nor does it apply to normal wear and tear. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. For further warranty service information, con- tact: Customer Service Department, Orion Telescopes & Binoculars, 89 Hangar Way, Watsonville, CA 95076; (800)
Orion Telescopes & Binoculars
89 Hangar Way, Watsonville, CA 95076
Customer Support Help Line (800)
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