Specifications

1-14 Command Descriptions Rev. A
ESC ! n selects print modes using n as follows. The default setting is n=1. This command cannot be
used with the 7 × 9 font or for emphasized printing in page mode. If the 7 × 9 font or emphasized
printing is selected or canceled in page mode, an internal flag is activated and this command is
enabled when the printer returns to standard mode.
ESC – n
[Name] Turn underline mode on/off
[Format] ASCII ESC – n
Hex 1B 2D n
Decimal 27 45 n
[Range] n = 0, 1, 48, 49
Bit Off/On Hex Decimal Function
0
Off 00 0 Character font 5 x 9 selected.
On 01 1 Character font 7 x 9 selected.
1, 2 — — — Undefined.
3
Off 00 0 Emphasized mode not selected.
On 08 8 Emphasized mode selected.
4
Off 00 0 Double-height mode not selected.
On 10 16 Double-height mode selected.
5
Off 00 0 Double-width mode not selected.
On 20 32 Double-width mode selected.
6 – – – Undefined.
7
Off 00 0 Underline mode not selected.
On 80 128 Underline mode selected.
Program Example Print Sample
PRINT #1, CHR$(&H1B);"!";CHR$(0); "AA";
PRINT #1, CHR$(&H1B);"!";CHR$(8); "BB";
PRINT #1, CHR$(&H1B);"!";CHR$(16); "CC";
PRINT #1, CHR$(&H1B);"!";CHR$(24); "DD";
PRINT #1, CHR$(&H1B);"!";CHR$(32); "EE";
PRINT #1, CHR$(&H1B);"!";CHR$(40); "FF";
PRINT #1, CHR$(&H1B);"!";CHR$(48); "GG";
PRINT #1, CHR$(&H1B);"!";CHR$(56); "HH"; CHR$(&HA);
AA: Normal
PRINT #1, CHR$(&H1B);"!";CHR$(129); "AA";
BB: Emphasized
PRINT #1, CHR$(&H1B);"!";CHR$(137); "BB";
CC: Double-height
PRINT #1, CHR$(&H1B);"!";CHR$(145); "CC";
DD: Emphasized + Double-height
PRINT #1, CHR$(&H1B);"!";CHR$(153); "DD";
EE: Double-width
PRINT #1, CHR$(&H1B);"!";CHR$(161); "EE";
FF: Emphasized + Double-width
PRINT #1, CHR$(&H1B);"!";CHR$(169); "FF";
GG: Double-height + Double-width
PRINT #1, CHR$(&H1B);"!";CHR$(177); "GG";
HH: Emphasized + Double-height + Double-width
PRINT #1, CHR$(&H1B);"!";CHR$(185); "HH"; CHR$(&HA);
← 5 x 9 font
← 7 x 9 font
with underline