Casio PV-750 Plus Technical Reference Manual page 18

Cause: None of the data in memory
matches the characters you specified
for a search operation.
Cause: Broken service provider or
mobile phone connection.
Cause: You did not input all of the
minimum data required to store the
data item.
Cause: A connection could not be
established because your access
point is busy, the data circuits of
your mobile phone provider are
congested, or you are outside the
service area of your mobile phone.
Make sure you are inputting the date correctly.
Cause: You are trying to use invalid
values for a date.
Chapter 16 Technical Reference
Data item not found!
Action: Check the characters you
specified to make sure you did not
make a mistake, or try searching for
different characters.
Disconnected!
Action: Check hardware, correct any
problems, and try again.
Input all required data.
Action: Input the minimum required
entries for the mode where you are
inputting new data. Check the
minimum requirements and input the
required data.
Line is busy.
Action: Tap OK to clear the error
message and try again or switch to
another access point. If you continue
to have problems, check your
connection settings to make sure
they are correct. Make sure you are
within the service area of your
phone.
Action: Input the date correctly.
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