Intermec nx 참조 가이드

RS-232 input devices

120

MB/NX/RM/00/E/970131

Special keys interpretation—Output to keyboard wedge

In keyboard wedge applications, special keyboard keys such as <Backspace> and <Tab>
can be emulated by interpreting as keyboard functions dual-character combinations (“. A”
for example) or single characters with ASCII values greater than 7Fh (

RS-232 input—

Keyboard emulation chart

below).

Example—Dual-character combinations

original bar code with . L dual characters

(<Backspace>)

interpreted and transmitted as:

code39.L12

1 - not activeCODE39.L12

2 - always activeCODE312

3 - separate 2 characters or hyphenCODE39.L12

4 - separate 2 charsCODE39.L12

code39-.L12

1 - not activeCODE39-.L12

2 - always activeCODE3912

3 - separate 2 chars or hyphenCODE312

4 - separate 2 charsCODE39-.L12

--.L

1 - not active--.L

2 - always active-

3 - separate 2 chars or hyphen

4 - separate 2 chars--.L

1 - not active.L

2 - always activ

3 - separate 2 chars or hyphe

4 - separate 2 char

Example—Single character with ASCII value > 7Fh

original bar code with single character

8Bh (<Backspace>)

interpreted and transmitted as:

<8B>

<Backspace>