Intermec Janus 2010, Руководство пользователя, Страница: 200 / 558

JANUS 2010 Hand-Held Computer User’s Manual
nugget
39
helconital
6-18
Loading and Unloading a Protocol Handler With an Application
You can load a protocol handler for a designated port when you start the IRL
Desktop or Communications Manager. When you exit the program, the
protocol handler is automatically unloaded.
To load a protocol handler by starting IRL Desktop or Communications Manager
• Type this command at the DOS prompt:
application [- portph ]
where:
application
is the application you are executing:
irl
IRL Desktop
cmgr
Communications Manager
port is the number of the reader’s COM port.
ph is the code for the protocol handler:
i
Intermec protocol handler
p
PC standard protocol handler
r
RF protocol handler
For example, to load the Intermec protocol handler on COM1 and execute
the IRL Desktop, type this command at the DOS prompt:
irl -1i
Or scan this bar code:
*IRL -1I*
*IRL -1I*
Specifying a Value for the FIFO Control Register
If you turn off your JANUS reader while running a non-Intermec
communications application, the reader cannot access and save the contents of
the First In First Out (FIFO) control register (FCR). The FCR contains a hex
value that controls the Universal Asynchronous Receiver/Transmitter (UART)
buffer.
When you turn the reader back on, the reader sets the FCR to its default value,
0 hex, unless you have already specified a value that the reader can use to
restore the FCR. You should specify another value if the default is not
appropriate for how the communications application configures the FCR.