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10.2 PS/2 Keyboard Interface
This IBM PS/2 keyboard interface uses CMOS signal levels.
(1) Keyboard connection type
Select one of the following connection types according to your connection.
Select:
"With external keyboard" (default)
"Without external keyboard"
"With external numeric keypad"
(2) Caps Lock/Num Lock states of host computer
Select Caps Lock ON or OFF and Num Lock ON or OFF to match the states of the connected keyboard. (Default:
Caps Lock OFF, Num Lock ON)
(3) Keyboard type
Select the connected keyboard type. (Default: U.S. English)
(4) Data transmission interval
When the scanner reads a large volume of data in succession or it is connected to a computer whose processing speed
is low, the computer may cause a data overflow and issues an alarm error. For the solution, there are seven choices for
transmission interval, ranging from 1 ms to 100 ms. (Default: 1 ms)
10.3 Communication Format
10.3.1 Data transmission format
Select one of the following two data transmission formats.
Header
Code ID mark
Header
Prefix
(1) Header/Terminator
The following choices are available.
RS-232C interface
Header:
None (default) or STX
Terminator: CR (default), LF, CR LF, ETX, or none
Note: Selecting none for a terminator automatically uses a CR terminator in the control command transmission format.
PS/2 keyboard interface
Header:
None (default), TAB, ESC, ENTER or others
Terminator: None, TAB, ESC, ENTER (default) or others
Note: A user-defined header or terminator can be specified with the configuration software. It should be a maximum
of four bytes long and consist of ASCII characters (00h to 7Fh and E7h to FDh).
Between the desktop computer and its keyboard (excluding a numeric keypad).
To a notebook computer (without connection to the keyboard).
Between the computer and its numeric keypad.
No. of digits
Prefix
n1
n2
No. of digits
Code ID mark
n1
n2
When the scanner is connected:
Bar code data
n3
n4
Bar code data
n3
n4
34
Suffix
Terminator
Suffix
Terminator
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