Specifications

14
Command
Return
CDnxxx
(no return characters)
Function:
This command sets the default direction either CW or CCW for proper rotation with
regards to position angle in the sky. Enter 0 for n to rotate in the default direction or 1 to
rotate in the reverse direction. The star fields of Refractor and Newtonian telescopes are
mirrored with respect to each other. Match your sky atlas and camera control program
position angle to the Pyxis. The value is stored in the Pyxis EEPROM.
Trouble Shooting:
Table 4-3. Setting default direction.
Command
Return
CMREAD
n CR LF (n can be either 0 or 1)
Function:
This command reads the stored default direction flag from the Pyxis EEPROM. The
default value from Optec is 0.
Trouble Shooting:
Table 4-4. Reading the default direction flag.
Command
Return
CGETPA
nnn CR LF (nnn can have integer values from 000 to 359)
Function:
This command retrieves the current position angle in degrees from the Pyxis. Only integer
values from 000 to 359 are returned. A zero degree value normally is the direction to
North, 90 degrees is to the East, 180 degrees is to the South and 270 degrees is to the
West.
Trouble Shooting:
Table 4-5. Retrieve current position angle.