Denso BHT-400B-CE - Manual (Page 96)

Upon completion of connection by ActiveSync, the screen shown at
left appears.
If connection to the network fails
If connection to the network fails, the BHT beeps three times and displays the following screen.
Solution
The RF settings may have not been made correctly. According to the
procedure given in "2.6 Wireless Zero Configuration (WZC) Menu,"
make the correct RF settings.
If no partnership has been set up
If no partnership has been set up between the host computer and BHT, the BHT beeps three times and
displays the following screen.
Solution
Set up a partnership according to the procedure given in Chapter 3.
Section 3.5.2, "Connection Using ActiveSync."
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