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Radio Shack PC-2 TRS-80 User Manual
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3.
Use
a
coin
to
carefully
loosen
the
small
screw
which
holds
the
Battery
Cover
in
place.
(Do
not
lose
the
screw!)
4.
Slide
the
Cover
sideways
until
it
is
free
from
the
Computer.
5.
Insert
four
Type
AA
alkaline
batteries
into
place,
matching
the
battery
outline
(in
the
battery
slot
of
the
Computer)
with
the
actual
shape
of
the
battery.
(Place
the
"spring"
against
the
bottom
("-")
end
of
the
battery.)
6.
Replace
the
Cover
and
tighten
the
screw.
If
you
used
an
external
power
supply,
disconnect
it
from
the
PC-2
before
turning
the
Computer
ON.
(If
the
Battery
Indicator
does
not
come
on,
check
to
make
sure
the
batteries
are
installed
properly.)
Then
press
ALL
RESET
(on
the
back
of
the
Computer).
The
message
NEWO?:
CHECK
will
be
displayed.
Press
(~)
and
the
Ready
prompt
(
>
)
will
appear.
External
Power
Supply
The
PC-2
can
be
used
with
external
power
supply
sources
(optional/extra)
such
as
the
one
provided
with
the
PC-2
PRINTER/CASSETTE
INTERFACE
(26-3605).
The
PC-2
will
not
"recognize"
that
an
external
power
source
is
connected
to
it
until
the
adaptor
is
plugged
into
the
Computer
(on
the
right
side
of
the
PC-2)
and
into
a
wall
outlet.
The
Battery
Indicator
light
should
be
ON
whenever
an
external
power
source
is
connected
to
the
Computer.
If
it
is
not
ON,
the
power
supply
could
be
defective.
Disconnect
the
power
supply
and
see
if
the
Indicator
comes
ON
17
20
22
Table of Contents
Table of Contents
7
Customer Information
7
Welcome to the World of Pocket Computing
8
Description of the Pocket Computer
9
Sample PC-2 Display
13
Pc-2
15
Start up
17
2/Setting up the Pocket Computer
17
Battery Installation
20
Turning the Computer off
20
External Power Supply
21
3/Using the Pocket Computer
23
Using the Keyboard
24
Normal Vs. Lowercase Option
24
Clearing the Display and Resetting the Computer
25
Operation Modes
25
Program Mode
26
Reserve
26
RUN Mode
27
Reserve Mode
28
To Make a Function Key Assignment
29
To Set up a Menu
31
Definable Keys
32
Command Instruction Keys
33
Program Line Numer Definable Keys
34
Reserve Mode Change
37
Recall Function Key Assignments
37
Display the First/Next Highest Program Line
38
Backspace Cursor/Delete Character
40
Forward Space/Insert Characters
42
Using the PC-2'S Calculator
43
PC-2 Mathematical Functions
44
Scientific Notation
48
Trigonometric Functions
48
Calculator Memory
49
To Set the PC-2 to the Appropriate Angle Calculation Mode
49
Recalling Equations
51
Recalling Values
51
Successive Calculations
52
Editing Equations
52
Combining Programming and Calculator Mode
53
Pocket Computer BASIC
54
PC-2 Statements
56
PC-2 Functions
57
Aread
59
End
60
Arun
61
Beep
63
Beep Switch
63
To Turn Beep off
63
To Turn Beep Back on
63
Sound Tone
64
Call
65
Execute a Mchine-Language Routine
65
Position Cursor
67
Cursor
67
Gcursor
68
Gcursor Position
68
Gprint
70
Dot Patterns
77
Lock/Unlock
79
Pause
80
Peek
81
Point
82
Poke
84
Status
86
Check Memory Status
86
Time
88
Wait
89
4/Care and Maintenance
91
5/Specifications
92
Appendix A/Language Reference Summary
94
PC-2 Error Codes
106
Appendix B/Error Codes
106
5
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Radio Shack PC-2 TRS-80 Specifications
General
Brand
Radio Shack
Model
PC-2 TRS-80
Category
PDA
Language
English
Related product manuals
Radio Shack TRS-80 26-3501
40 pages
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