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AUDIO
CASSETTE INTERFACE
Data Rale
Input Level
Output
Level
MEMORY CARD
INTERFACE
Using
Model
POWER
SOURCE
Main
Battery
Back-up
Battery
Battery
Votage
Warning
Back-up
Warning
1
500
BPS
(Mark
=
2400 Hz,
Space-
1200
Hz)
0.8
to
5
volt
(peak-lo-peak)
600
mV
(peak-to-
peak)
TOSHIBA
MEMORY CARD
Output(DC):
+5V
160mA,
-
8V 12mA,
-
15V
1
0mA
6V,
four
AA
size
Alkaline
batteries
or 4.8V,
450m
Ah,
four
A A
size
Nickel-Cadmium
batteries
3V.
270
mAh
flat
Lithium
battery
This
battery
is
used
to
hold
the data of the
main
RAM
and
the
expanded
internal
RAM.
The
warning
is
indicated
by
"LOW
BATTERY"
on
the
screen
and one
beep.
The
user
is
instructed to
change
the
batteries
when
the voltage goes below
4.0
V(Alkaline) or
4.7
V(Ni-Cd),
After
the
warning,
the
system can be used
for
about 10-30
minutes.
The
warning
is
indicated
by
"LOW BACKUP"
on
the screen
and one
beep. Then,
the screen turns
on and
off.
The
user
is
instructed
to
change
the battery
when
the
voltage
goes
below
2.3
V. Before
changing
a
back-up
battery,
save
all
RAM
(standard
and
internal
expansion) data
to
another
device(s),
or the system
loses
all
RAM
data.
4-2
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