TallyGenicom Matrix Printer Programmer's Manual page 359

The syntax for the parameters, the start, separate and stop code is represented as
follows:
ASCII
hex.
dec.
For the parameter (here n), a distinction must be made between two types of repre-
sentation:
if the parameter is in pointed parentheses, the decimal value must be transmitted
if the parameter is not in pointed parentheses, the ASCII value must be transmitted
Example:
Parameter representation:
to be transmitted:
Parameter representation:
to be transmitted:
Character explanation and symbol descriptions
[ ]
4
Introduction
Figures (n)
"0" to "9"
30 to 39
48 to 57
Information/important notes
Optional, must be not necessarily be transmitted
9-needle printer
24-needle printer
Start code
":"
3A
58
<n>, with n=0
dec.0 (hex.00)
n, with n=0
ASCII "0" (hex.30, dec.48)
Stop code
":"
3A
58