Specifications

Programmer's Guide POSjet

1500 EPOS Control Codes

Nov-10 Rev N Page 237

Function Define Single User-Defined Bit-Image EPOS ONLY

ASCII GS * x y d

… d(x x y x 8)

Hexadecimal 1DH 2AH x y d

… d(x x y x 8)

Decimal <29> <42> x y d

… d(x x y x 8)

Range 1 x 255

1 y 48

0 d 255

Description The GS * x y d

… d(x x y x 8) command defines a single downloaded bit-image using the number

of dots specified by x and y in the RAM buffer area (volatile memory). The number of dots in the

horizontal direction is x x 8. The number of dots in the vertical direction is y x 8. If (x x y x 8)

exceeds the size of the buffer, the image is truncated. d indicates bit-image data and specifies a bit

printed to one and not printed to zero. After a downloaded bit-image is defined, it may be saved to

the nonvolatile flash storage buffer using the ESC ‗ command where it remains indefinitely.

Otherwise, the image remains in the RAM buffer where it is available until ESC @ or ESC & is

executed; the power is turned off; or the printer is reset. A representation of the format of a

downloaded bit-image is depicted below.

Column one

...

....

d(x y 8)

MSB

LSB