P
ocket
R
efeRence
G
uide
— 24
Auto Shut-off (Running timer) –
As long
as the Timer is running, the unit will not
auto shut-off. However, once the Timer
reaches the maximum running time
and expires (see max. times below), the
calculator will auto shut-off after about
8-12 minutes of non-use.
• Count-up timer: stops upon reaching
12 hours
• Count-down timer: after countdown
reaches zero, the Timer starts counting
up and stops upon reaching 1 hour.
eRRoRS AnD ReSet
errors
When an invalid conversion is attempted,
the calculator will display the word
Sorry
for a few seconds before returning to the
original display. When an invalid entry or
calculation is made,
error
will be displayed.
reset
If your calculator’s display should ever
freeze or “lock up,” press Reset, a small
hole located above the
key, using
the end of a paper clip.
