Metrologic Instruments MS7220 - Manual (Page 29)

26
T ROUBLESHOOTING G UIDE (C ONTINUED )
SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
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.
Slave operation with any interface
Trouble with the
Slave Scanner. Refer to the user guide
provided with the slave
scanner.
Cable [ MLPN 54-54667]
may not be connected
to the proper port.
Ensure slave scanner is
connected to the MS7220
com port marked “Aux” port.
* The MS7220 must be
programmed to enable the
“Aux” port.
Slave Scanner
powers up but
data is not
relayed to the
host.
The “Aux” com port
may not be operating
properly.
The slave scanner must be
configured to send “slave”
formatted data (reserve
code 32).
* Use MetroSet ® .
For the Auxiliary interface, choose “HoloTrak Decode”. All remaining
parameters will be automatically chosen.