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Erasing Gontinuous Memory
Erasing Continuous
Memory:
t
Clears the calculator
line and history
stack.
r
Deletes
all
Solver equations
and their
variables,
and
clears
all other
variables
in
application and numeric function
menus.
t
Clears
all
STAI lists and their
names.
I
Clears
all
appointments.
I
Sets
the calculator to certain "start-up' settings-month/day /year
date
format, l2-hour time format, 4
decimal places,
period
(.) deci-
mal point,
Degrees
mode, printer tracing
of
f
,
print-speed without
the AC
adapteq,
and
beeper
on.
I
Starts
a
new random number
sequence
using a
seed
from the
sys-
tem clock the next time
ffi
is
pressed.
Erasing Continuous Memory
does
not affect the current time
and
date.
To
erase
Continuous Memory
press
and hold down
lclnl,
the
leftmost menu
k"y, and the
rightmost menu
k"y.
(You
will
be
press-
ing
three keys simultaneously). When
the
keys are
released, the
HP-275 displays
l',lEH0RY
L0ST.
Continuous Memory may inadvertently be
erased
if
the calculator
is
dropped
or
if
power is intemrpted.
Glock Accuracy
The
system
clock
is
regulated
by
a quartz crystal
accurate
to within
three minutes per month
for normal
operating
temperatures.
The
ac-
curacy
of
the clock
cryrstal
is
affected
by
temperature,
physical
shock,
humidity,
and
utr
g.
Optimum
accuracy
is
maintained at
25oC (77oF).
f
96
A: Assistanee, Batteries,
temory,
and Service
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