Metrologic Instruments MS7620 manual RS-232 Only

TROUBLESHOOTING GUIDE (CONTINUED)

SYMPTOMS	POSSIBLE CAUSE(S)	SOLUTION
Everything	These characters may
works except	not be supported by	Try operating the scanner in Alt
for a couple of	that country’s key look	mode.
characters.	up table.
RS-232 Only
The unit is		Increase the interscan code
	Configuration is not	delay setting. Adjust whether the
transmitting		F0 break is transmitted. It may
	correct.
each character.		be necessary to try this in both
		settings.
Alpha		Enable Caps Lock detect setting
characters	Computer is in Caps	of the scanner to detect whether
show as lower	Lock mode.	the PC is operating in Caps
case.		Lock.
Everything	These characters may
works except	not be supported by	Try operating the scanner in Alt
for a couple of	that country’s key look	mode.
characters.	up table.
	Com port at the host is
Power-up OK	not working or
	configured properly.	Check to make sure that the
and scans OK
	Cable not connected to	baud rate and parity of the
but does not
		scanner and the communication
communicate	the proper com port.
		port match and the program is
properly to the
		looking for “RS-232" data.
host.	Com port not
	operating properly.
The host is	The scanner and host	Check that the scanner and the
receiving data but
	may not be configured	host are configured for the same
the data does not	for the same interface.	interface.
look correct.

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