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3
4
SOME SPECIAL
FEATURES
~
Easy-to-use keyboard
with upper
and
lower
case
characters.
OF
THE
HHC
~
HELP
key gives directions for use
of function
keys,
without
disturbing any
program you may be carrying out.
~
SEARCH key
locates
information with only a
few
keystrokes
.
~
Information is
presented
at
user-selected
speeds.
~
HHC turns itself
off after a
few minutes of
inactivity.
but 11
" remembers"
your
last
action
and continues
where you left off
the next
time
you use the
HHC.
~
Battery life
is
extended by a group of new hardware techniques that dynamically
regulate and
conserve
power
usage.
~
Modular design allows virtually
unlimited
expandability and any
combination of
peripheral
devices.
~
SNAP-a
new programming
language and
operating system-saves memory
space,
executes at
extremely
hig
h
speed,
and
can
be
added
to by
any
prog
rammer.
Including
you.
~
HHC is designed
for
both
existing
and
future
hardware
and
software.
BEGINNING FROM
Before using your
HHC
for the first
time,
you
wi
ll
have
to
engage
the rechargeable
"COLD
START"
nickel-cadmium
batteries.
which have
been
disconnected
duri
ng
storage and
shipping.
Locate
the
recessed
switch,
marked
ALL-OFF,
on the
bottom of the
unit
;
and insert
a pencil or screwdriver,
as shown
in the
illustration
at
left.
Flip
this
two-position switch
from
OFF
to
ON.
It
is highly
recommended for you to use
the
AC
Adaptor when
you
start
using your
HHC,
because
the
rechargeable
batteries
might have been discharged for
long storage
in the warehouses
or
on
the store
shelves.
Note
that
this Is
not
the
same
as
turning
the
unit off and on
with
the keys
on the
keyboard.
In the
latter
case
,
the HHC
retains its Internal
Memory.
the
Clock/
Controller
date and any program
in
progress. When the switch on
the bottom is
turned
off,
however,
all
memory
is
erased
because
all power
is
removed.
Therefore,
never
turn
the unit off
with
the
ALL-OFF
switch
on
the back
unless you
plan
to store the HHC for an extended
period,
or as
a
trouble-shooting tactic (see
the
section
on
WHEN TH INGS
GO
WRONG).
When
you
press•
followed
•
the
word RESTART
appears in
the
Display.
Press
to
begin operation of
the
HHC. If RESTART
appears at any time
other
than after a cold
start.
check
the
time and
review alarms
in
the Clock/
Controller
and
check File System files
in
Internal
Memory:
they may have been
inadvertently
disturbed.
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