Datalogic PowerScan M8500 Product Reference Manual

Also see for PowerScan M8500: Quick reference guide

Contents

Datalogic PowerScan M8500 Product Reference Manual Manual pdf 181 page image

Message Formatting178 PowerScan® M8500Messages from SCANNER Command KeysPowerScan M8500 KeypadThe PowerScan® M8500 series scanners with display have 3 command keys that can each beassociated with a character to send to the host.By pressing the keys on the scanner, the associated character with its relative messageformatting is sent to the Host. For example, keys can be used to select items from a menusent to the scanner display by the application program.The general format is:[Header] [Scanner_Addr] [Scanner_Addr_delimiter] ] [Cradle_Addr] [Cradle_Addr_delimiter][Time stamp] [Ts_delimiter] [Code ID] [Code Length] KeyID [Terminator][Items in square brackets are optional.]The messages are handled by the system as if they were barcodes, that's why KeyID can haveso many fields appended to it. If in your application there is some chance of reading a 1-charbarcode identical to KeyID, the way you can distinguish between the two is to enable theCode ID: The KeyID is the only 1-character long EAN 8 code.Refer to "Network Parameters" on page 158 for a compete description of the optional messagefields in square brackets.The default characters associated with each key (KeyID) are shown in the following table:Default Key IdentifiersKey KeyID▲ (left) Key '<'ENTER (center) Key '='▼ (right) Key '>'