Samsung SRP-275 Operator's Manual page 62

CHAPTER 5
CONTROL COMMANDS LIST
GS ( E pL pH fn d1 d2 <Function 1>
[Format] ASCII GS (
Hex 1D 28
Decimal 29 40
[Range] (pL + pH x 256) = 3 (pL = 3, pH = 0)
fn = 1
d1 = 73
d2 = 78
[Description] This command changes the printer into the user setting mode.
[Notes] This command is valid only at the beginning of the line.
When the printer goes into the user setting mode, it transmits a mode,
it transmits a "mode change notice" back to the host.
Transmit data
Header
Identifier
NUL
When it has executed this function, send the next commands after
checking the mode change notice.
See previous [Notes for transmission process] for process sending
data group.
5-54
E pL pH fn d1 d2
45 03 00 01 49 4E
69 3 0 1 73 78
Hex Decimal Data quantity
37H 55 1 byte
20H 32 1 byte
00H 0 1 byte
GS ( E pL pH fn d1 d2 d3 <Function 2>
[Format] ASCII GS ( E pL
Hex 1D 28 45 04
Decimal 29 40 69 4
[Range] (pL + pH x 256) = 4 (pL = 4, pH = 0)
n = 2
d1 = 79
d2 = 85
d3 = 84
[Description] Ends the user setting mode, and the printer performs a software reset.
[Notes] This function is performed when the printer is in user setting mode.
After the software reset, the printer goes into the power on state.
Executing this function enables setting values set in user setting mode
(such as memory switch or customize value).
Be sure to execute this function after changing all the setting values.
pH fn d1 d2 d3
00 02 4F 55 54
0 2 79 85 84
5-55