Metrologic Optimus S Programming Manual page 71

Syntax int WedgeReady (void);
Example if (WedgeReady())
SendData (CodeBuf);
Description Before sending data via keyboard wedge, it is recommended to check if the
cable is well connected; otherwise, the transmission may be blocked.
Return If connection is OK, it returns 1.
Otherwise, it returns 0.
See Also SendData
Chapter 3 Terminal Specific Function Library 65