Installing Batteries - HP 17bll+ User Manual

due to a borderline low-battery condition. The calculator can detect that
there is insufficient power for printing before the battery annunciator
comes on.
If you continue to use the calculator after the battery annunciator comes
on, power can eventually drop to a level at which the calculator stops
powering the display and keyboard. The calculator will require fresh
batteries before it can be turned back on. When you turn the calculator
on after fresh batteries have been installed, the calculator returns to the
previous display if your stored data is intact. If data has been lost, the
calculator displays  . Please see page 18 for
information about the language setting. After selecting a language, the
display will show           . Pressing any key will clear this
message from the display. In either case, the clock's time might be
incorrect.

Installing Batteries

Once the batteries are removed, you must replace the batteries
within 30 seconds to prevent loss of Continuous Memory.
To install batteries:
1. Have two fresh CR2032 batteries at hand. Hold batteries by the
edges. Do not touch the contacts. Wipe each battery with a clean,
lint-free cloth to remove dirt and oil.
2. Make sure the calculator is off . Do not press
entire procedure for changing batteries is completed. Changing
batteries with the calculator on can erase the contents of
Continuous Memory. If you have set any appointments, make sure
they will not come due while the batteries are out.
3. Turn the calculator over and prize off the battery cover.
A: Assistance, Batteries, Memory, and Service 225
again until the
C