Sharp GX20 Service Manual - Page 27

Flash Loader 3.00

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CONFIDENTIAL GX20 4) Starting the download. Press [Start Loading Flash] button after you finish selecting the file to download. Downloading operation starts. The message as below appears if no file is selected. • Select "File System Initialize" if you wish to initialize the file system only. In this case, you can download the program by pressing the [Start Loading Flash] button without selecting a downloading file. Figure 42 [Using a Data cable] If using a Data cable for the downloading operation, press Power button of the phone after [Please remove AC charger, when you use PCcableSending Sync Byte.../Press Power Button!] information message has appeared. The loading loader starts being expanded. [Using "Communication Box Ver. 2G"] If using "Communication Box Ver. 2G", switch on the power button of the Box from No.10 to No.1 after [Please remove AC charger, when you use PCcableSending Sync Byte.../Press Power Button!] information message has appeared. The loading loader starts expanding. [Caution] If using a Data cable, [Keep Power Button! ] message will appear after the power button of the phone is pressed. Keep pressing the button until this message disappears. The above-mentioned message disappears and the following screen will appear after the expansion of the loading loader has been completed. Flash Loader 3.00 Figure 43 5) Completing the download If the program data is successfully downloaded, [Download completed] message appears and then, the SUM value of the data loaded into the Flash is displayed. If the operation is not properly completed, the error message will appear. Refer to pages 2-22, 2-23 [Table of Error messages] for details of error messages. [Caution!] After the downloading operation is ended, SUM value is displayed on the phone. You can check if the program data is successfully downloaded or not by comparing the SUM values displayed on the phone and the PC. Please check the SUM value quickly since this display will disappear very soon if using the Data cable (it will disappear in about 7 seconds). If both values are not the same, the program data may not be successfully downloaded. Please start downloading all over again. 2 - 21

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GX20
2 – 21
CONFIDENTIAL
4)
Starting the download.
Press [Start Loading Flash] button after you finish selecting the file to download.
Downloading operation starts. The message as below appears if no file is selected.
Figure 42
[Using a Data cable]
If using a Data cable for the downloading operation, press Power button of the phone after [Please remove AC charger, when you use PCcable-
Sending Sync Byte…/Press Power Button!] information message has appeared. The loading loader starts being expanded.
[Using “Communication Box Ver. 2G”]
If using “Communication Box Ver. 2G”, switch on the power button of the Box from No.10 to No.1 after [Please remove AC charger, when you use
PCcableSending Sync Byte…/Press Power Button!] information message has appeared. The loading loader starts expanding.
[Caution]
If using a Data cable, [Keep Power Button! ] message will appear after the power button of the phone is pressed. Keep pressing the button until this
message disappears. The above-mentioned message disappears and the following screen will appear after the expansion of the loading loader
has been completed.
Figure 43
5)
Completing the download
If the program data is successfully downloaded, [Download completed] message appears and then, the SUM value of the data loaded into the
Flash is displayed. If the operation is not properly completed, the error message will appear. Refer to pages 2-22, 2-23 [Table of Error messages]
for details of error messages.
[Caution!]
After the downloading operation is ended, SUM value is displayed on the phone.
You can check if the program data is successfully downloaded or not by comparing the SUM values displayed on the phone and the PC. Please
check the SUM value quickly since this display will disappear very soon if using the Data cable (it will disappear in about 7 seconds).
If both values are not the same, the program data may not be successfully downloaded. Please start downloading all over again.
•
Select “File System Initialize” if you wish to initialize the file system only. In this case, you can download the program by pressing the
[Start Loading Flash] button without selecting a downloading file.
Flash Loader 3.00