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PC-2 TRS-80
Radio Shack PC-2 TRS-80 User Manual
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4/Care
and
Maintenance
Your
PC-2
should
provide
you
with
years
of
trouble-free
service.
However,
if
you
ever
have
problems
with
the
Computer,
check
the
symptom/cure
table
below.
After
that,
if
you
still
can't
remedy
the
problem,
contact
your
nearest
Radio
Shack
store
or
computer
center.
Symptom
Cure
Can't
change
Operation
Modes.
The
LOCK
command
may
be
in
effect.
Type:
UNLOCK
(ENTER)
Display
I
ndicators
don't
come
on
when
Batteries
may
be
worn
out.
Replace
batteries
or
you
press
(ON)
.
connect
the
PC-2
to
an
external
power
supply.
The
PC-2
"hangs-up"
during
program
Press
ALL
RESET
on
the
rear
of
the
Computer.
execution.
A
program
line
appears
on
Display
Type:
t·l
c
j,i,.-,
(ENTER)
..
L.r-t
I
_
1
•
that
will
not
go
away.
A
,,~"
appears
when
you
specify
a
The
correct
optional
device
is
not
connected.
Defined
Key
such
as
LLiST
or
CSAVE.
Display
I
ndicators
do
not
come
on
Batteries
may
not
be
installed
correctly
or
after
installing
batteries
or
connecting
connections
to
DC
adaptor
may
not
be
proper.
DC
adaptor.
Q7
90
92
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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