by Ray Gralak of Sirius-Imaging
PulseGuide Software
PulseGuide is a stand-alone Windows (98, ME, 2000, NT4, XP, Vista only) utility that provides complete remote control of Astro-Physics Mach1GTO, 900GTO, 1200GTO and 3600GTO mounts as well as the older 400GTO and 600EGTO models. It derives its name from its most distinctive feature, pulse guiding, which can improve unguided tracking. Specifically, it can help correct tracking errors caused by polar misalignment and atmospheric refraction. You can also train PulseGuide to track objects moving relative to the stars, such as asteroids, comets, and the moon. In addition to pulse guiding, PulseGuide also has many useful utility features. With just a few exceptions, it supports the entire serial Astro-Physics command protocol.

PulseGuide requires a serial connection from your PC to your mount using a straight-through DB9 cable. One end of the cable must have a female connector and the other end male. Cables as long as 100 feet or more should work provided the cable is made from high-quality shielded cable. Cables with twisted pair wires work best, such as those from Belden. We now offer several USB connectivity devices for computers that lack serial ports.

PulseGuide was written by Ray Gralak of Sirius-Imaging. Please refer to his website http://www.pulseguide.com for further developments and enhancements. The software will be provided on a CD-ROM with all Astro-Physics mounts delivered in 2004 or later. Previous owners of any Astro-Physics mount can download the software free-of-charge courtesy of Ray. We appreciate Ray's committment to the development of this program.


Hardware Requirements

GTOCP1 and GTOCP2 Control Boxes must have a chip dated 05-07-01 (designated as "D" or "KD") in order to use this program. Click here for more information on chip upgrades. The GTOCP3 Control Box is ready to go.

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This page was last modified: August 15, 2010

Astro-Physics, Inc.
11250 Forest Hills Road, Machesney Park, IL  61115, U.S.A.
Phone: 815-282-1513   Fax: 815-282-9847