10 - 4 Symbol MS4404/MS4407 Integration Guide
USB Device Type (continued)
USB OPOS Handheld
Simple COM Port Emulation
Symbol Native API (SNAPI) Status Handshaking
After selecting a SNAPI interface as the USB device type, select whether to enable or disable status handshaking.
*
Enable SNAPI Status Handshaking
Disable SNAPI Status Handshaking