Denso BHT-300B User Manual page 62

If an error occurs during downloading
If some error occurs during downloading, the BHT beeps three times and shows one of the following
screens with the prompt "Retry?":
To retry the download, press the 1 and ENT keys; to abort it, press the 2 and ENT keys.
Problem
The memory is insufficient for storing files to be downloaded.
Solution
Press the 2 key to return to the SYSTEM MENU, then delete
unnecessary files in the memory or decrease the size of the file to be
downloaded. (Refer to Section 2.5.3, [ 8 ] and [ 2 ].)
Problem
The current download will exceed the maximum of 120 files in the
memory.
Solution
Press the 2 key to return to the SYSTEM MENU. Delete unnecessary
files in memory or decrease the number of files to be downloaded if
you attempted to download more than one file (Refer to Section 2.5.3,
[ 8 ] and [ 2 ].)
Problem
Downloading has failed.
Solution
To retry downloading, press the 1 key.
To return to the SYSTEM MENU, press the 2 key. Check the interface
port, communications parameters, and communications protocol in
the SET SYSTEM menu or perform the communications test in the
TEST menu. (Refer to Section 2.5.3, [4.5] and [5.7].)
It is also necessary to check the communications parameters setup of
the host PC.
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