Specifications

Confidential
EPSON
TITLE SHEET
REVISION
NO.
SHEET NEXT
E
137 136
TM-T90
Specification
(STANDARD)
<Function 51> GS ( L p
L
p
H
m fn (fn = 3, 51)
[Format] ASCII GS ( L p
L
p
H
m fn
Hex 1D 28 4C p
L
p
H
m fn
Decimal 29 40 76 p
L
p
H
m fn
[Range] (p
L
+ p
H
× 256) = 2 (p
L
= 2, pH = 0)
m = 48
fn = 3, 51
[Description] • Transmits the number of bytes of remaining memory (unused area) in the NV user memory.
Hexadecimal Decimal Amount of data
Header 37H 55 1 byte
Flag 31H 49 1 byte
Data 30H – 39H 48 – 57 1 – 8 bytes
NUL 00H 0 1 byte
•
The number of bytes of remaining memory is converted to character codes corresponding to
decimal data, then transmitted from the MSB.
•
The data length is variable.