2 - 8 MP7000 Scanner Scale Integrator Guide
USB Device Type (continued)
HID Keyboard Emulation
When the HID Keyboard host is selected, and the MP70XX has auxiliary scanners connected, use ADF rules to 
program the auxiliary scanners to add a 500 msec pause to the end of the data to prevent the interleaving of 
barcode data from multiple scanners. This works with standard RS-232, and SSI over RS-232 (with the Send 
Raw Decode Data setting).