Sharp AR-BC260 Service Manual page 267

(4-5) Set the bit/sec of the port set menu to 38400, and click
the OK button to close the communication port (COM*)
property.
If 38400 cannot be set, set either of the following com-
munication speeds.
9600/19200
5) Turn on the power of the machine.
6) Enter the simulation 49-10 mode. (Press the EXECUTE key to
enter the download (Flash ROM writing) mode.)
7) Start the download program on the PC side by double-clicking
the Mainte.exe file. The following window is indicated.
8) Select the communication setup in the option menu, and set
the communication speed same as which is set in procedure
4).
38400
9) Select the data file to be written.
(9-1)
(9-2)
(9-3)
(9-4)
(9-5)
AR-BC260 ROM VERSION UP 12 - 12
Double-click the Simulation Command List folder.
Double-click the Special (Whale Desk) folder.
Double-click the file Program Download, and the fol-
lowing dialog is displayed. Click the OK button.
Then the following dialog is displayed. Click the
START button.
The file selection dialog is displayed. Select the data
file to be written, and click the Open button.