extronics iSCAN100 Operating Manual page 28

Symptoms
Alpha
characters show
as lower case
Everything
works except for
a couple of
characters
Power-up OK
and scans OK but
does not
communicate
properly to the
host
Power-up OK
and scans OK
but does not
communicate
properly to the
host
Power-up OK
and scans OK
but does not
communicate
properly to the
host
The host is
receiving data
but the data
does not look
correct
Characters are
being dropped
28
Possible Causes
Computer is in Caps
Lock mode
These characters
may not be supported
by that country's key
look up table
Corn port at the host
is not working or
configured properly
Cable not connected
to the proper corn
port
Cable not connected
to the proper corn
port
The scanner and host
may not be
configured for the
same interface
parameters
Inter-character delay
needs to be added to
the transmitted output
Solution
Enable Caps Lock detect setting
of the scanner to detect whether
the PC is operating in Caps Lock.
Try operating the scanner in Alt
mode.
Check to make sure that the baud
rate and parity of the scanner and
the communication port match
and the program is looking for
"RS-232" data.
Check to make sure that the baud
rate and parity of the scanner and
the communication port match
and the program is looking for
"RS-232" data.
Check to make sure that the baud
rate and parity of the scanner and
the communication port match
and the program is looking for
"RS-232" data.
Check that the scanner and the
host are configured for the same
interface parameters
Add some inter-character delay to
the transmitted output by using
the MetroSelect Single-Line
Programming Guide MLPN
00-02544.