Paramount MX User Guide
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Axis Parameters Description
Max Position Error
The maximum number of encoder tics from target before the Bisque TCS
aborts slewing or tracking and begins to emit position error beeps.
Periodic Error Correction Parameters
PEC Motor to Worm Gear
Ratio
Specifies the gear ratio between the motor and the worm gear.
PEC Cutoff Speed
Set to two times the sidereal rate, this insures periodic error correction is
not applied to higher slew rates. Attempting to apply PEC at high slew
speed results in very labored sounding slews.
PEC Harmonics
The number of harmonics to use when TheSkyX computes optimal PEC
curve.
PEC Ratio 1 The first gear ratio between the motor and worm.
PEC Ratio 2 The second gear ratio between the motor and worm.
PEC Ratio 3 The third gear ratio between the motor and worm.
PEC Scale
The scale in arcseconds per pixel of the imaging system used to generate
the PEC tracking log file.
PEC Teeth on Gear
The number of teeth on the gear for determination of the time required
for one turn of the worm.
• The Paramount ME’s right ascension gear has 576 teeth.
• The Paramount MX right ascension and declination gears have
375 teeth.
PEC Worm Periods Number of worm revolutions to use in PEC curve determination.
System Parameters
Mount Type Defines the physical telescope mounting type:
0 = German Equatorial Mount (GEM)
1 = Asymmetric equatorial fork mount
Sync Version 0 = Paramount ME, Paramount MX and Bisque TCS mounts.
1 = Paramount GT-1100S mount.
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