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LD9190-PT, LD9390-PT, LD9490-PT and LD9590-PT
1. Type “ECHO ABCDEFGH>LPT1” and press ENTER key. The
display will show “ABCDEFGH” on the first line.
2. Type “ECHO ^APASSTHRU>LPT1” (^A is entered as Ctrl-A) and
press ENTER key. The data will be passed through to the
peripheral (e.g. a printer). These characters are not shown on the
display.
3. Type “ECHO !#^BNUMBER12345>LPT1” (^B is entered as Ctrl-
B), then press ENTER key. The display will show
“NUMBER12345” on the first line.
LD9290-PT
1. Type “ECHO !#1ABCEDFGH>LPT1” and press ENTER key. The
display will show “ABCDEFGH” on the first line.
2. Type “ECHO PASSTHRU>LPT1” and press ENTER key. The
data will be passed through to the peripheral (e.g. a printer).
These characters are not shown on the display.
3. Type “ECHO !#1NUMBER12345>LPT1”, then press ENTER key.
The display will show “NUMBER12345” on the first line.
For further testing of OPOS displays (LD9900 and LD9990), follow the
instructions in the readme.doc file after software installation.