HP 39gs_40gs_Mastering The Graphing Calculator_English_E_F2224-90010

The process is essentially:
• Press the key on the sending calculator and the key on the receiving calculator.
• Choose the option for your particular calculator. On an hp 39gs this will be “HP39 (IrDA)” and on an
hp 40gs it will be “HP39/40 (Ser)”.
• Press on both calculators and the transmission process will begin.
Calculator Tip
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If you begin to receive “Time Out” messages when transmitting aplets or
notes then this means that the connection was lost and the transmission
The two most common causes of this are:
mis-alignment of the two calculators. The infra-red beams must be
correct y lined up and within 8-10 cm.
low batteries. In my experience the transmission process begins to
act up a little before the low battery indicator icon appears at the
top of the screen.
When replac ng the batteries remember that batteries that have been
sitting on the shelf in a supermarket for 12 months or more may be
nearly flat despite never having been used!
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