Toshiba XLTR-200 사용자 설명서

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14.3  Using the RFU Utility 
Support for downloading new application firmware to the gateway is provided by 
the free Rabbit Field Utility (RFU), which is a 32-bit application that runs on 
Microsoft Windows platforms.  The RFU utility can be downloaded from ICC’s 
home page at http://www.iccdesigns.com.  When downloading a new gateway 
application BSP, always confirm that you also have the latest version of RFU, 
as new .BIN firmware files contained in BSPs may require functionality found 
only in the most recent RFU versions for successful downloading. 
 
The remainder of this section will detail the RFU utility configuration and 
firmware download procedures. 
 
14.3.1  Required Files 
When first downloaded, the RFU utility files are compressed into one self-
extracting .EXE distribution file.  Create a folder (such as c:\RFU), place the 
distribution file in this folder, and then execute it.  This will extract the 
compressed files into that same folder.  The distribution file is then unneeded 
and can be deleted if desired.  To run the RFU utility, double-click on the 
RFU.EXE file icon. 
 
14.3.2  First-Time Configuration 
The first time the RFU utility is run on a computer, several configuration items 
need to be confirmed.  These configuration items are retained in the computer’s 
registry from that point on, so reconfiguration is not required unless certain 
parameters (such as which serial port to use on the computer) are changed. 
 
The two configuration items that need to be confirmed are the communications 
and bootstrap loaders path.  First, select the “Setup…Communications” menu 
item (refer to Figure 32). 
 
 
Figure 32: RFU Main Screen 
 
The Communications Options window shown in Figure 33 then appears.  
Confirm that the settings are as shown, with the possible exception of the