ASTRO VG-870, Instruction Manual

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5.15.2 CELPS [D7H]: Ellipse clearing
Function: This command clears the ellipse on the graphic plane.
The center coordinates and radii of the ellipse are set by the parameters.
Sequence: Type 2
Parameters:
STX 1 byte 02H
GELPS 1 byte D7H
Center coordinate X 2 to 5 bytes
Sign code + “0” to “4095” e.g. 100  “0100”
Sign code: “0” = +, “1” = -
*-
2048 (“12048”) to +4096 (“04095”) in numerical
terms
Data delimiter 1 byte
“, “
Center coordinate Y 2 to 5 bytes
Sign code + “0” to “4095” e.g. 100  “0100”
Sign code: “0” = +, “1” = -
*-
2048 (“12048”) to +4096 (“04095”) in numerical
terms
Data delimiter 1 byte
“, “
Radius RX 1 to 4 bytes
“1” to “4095”
Data delimiter 1 byte
“, “
Radius RY 1 to 4 bytes
“1” to “4095”
ETX 1 byte 03H
Fig. 5-15-2