Metrologic Instruments MS7120 - Manual (Page 30)

26
T ROUBLESHOOTING G UIDE ( CONTINUED )
RS-232 Only
SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
Power-up OK
and scans OK
but does not
communicate
properly to the
host Com port at the host is
not working or
configured properly 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
Power-up OK
and scans OK
but does not
communicate
properly to the
host Cable not connected
to the proper com port 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
Power-up OK
and scans OK
but does not
communicate
properly to the
host Com port not
operating properly 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
The host is
receiving data
but the data
does not look
correct The scanner and host
may not be configured
for the same interface
font Check that the scanner and the
host are configured for the same
interface font
Characters are
being dropped Intercharacter delay
needs to be added to
the transmitted output Add some intercharacter delay
to the transmitted output by
using the MetroSelect
®
Programming Guide MLPN 00-
02407 or the MetroSet2 program