Datalogic Magellan 8500 Product Reference Manual page 171

Great care should be taken to select the correct interface type, since you can
cause damage to the scanner and/or POS terminal by attempting to change to
an incompatible interface. ALWAYS make interface selections with the host
cable DISCONNECTED.
CAUTION
Product Reference Guide
RS-232 Interface Selection
Remember to cover any unused barcodes on this and the facing page to
ensure that the scanner reads only the barcode you intend to scan.
INTERFACE TYPE = RS-232 STANDARD
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