Epson GT-6500 EN - Manual (Page 123)

ESC A Set scanning area
Format: B1 B2 B3 B4 B5 A5
Command:ASCII: ESC A
Decimal: 27 65
Hexadecimal: 1B 41
Parameters: n1
L
, n1
H
, n2
L
, n2
H
, n3
L
, n3
H
, n4
L
, n4
H
Handshaking:
1 ESC A command
2 ACK code
3 Parameter (n1, n2, n3, n4)
4 ACK code
Parameter range:
n1
L
, n1
H
= main scan offset length in dots
(lower byte, higher byte)
n2
L
, n2
H
= sub scan offset length in dots
(lower byte, higher byte)
n3
L
, n3
H
= main scan reading length in dots
(lower byte, higher byte)
n4
L
, n4
H
= sub scan reading length in dots
(lower byte, higher byte)
(See the Explanation section for details on the parameter range.)
Command Reference 3-29