Specifications - Radio Shack TRS-80 MICRO Hardware Manual

Computer system
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SPECIFICATIONS
Printing
Speed
43
characters per
second
Carriage
Return Speed
300ms
per
13.6
inches
Line
Feed Speed
4 inches per
second
Printing Pitch
1/10
inch,
1/12
inch,
Proportional spacing
Line
Feed
Pitch
1/6
inch,
1/12 inch
Font
124
character positions
on Double
Daisy
Print
Wheel
Wheel
Courier
10 (Catalog
Number
26-1420)
Prestige
Elite
(Catalog
Number
26-1421)
Madeleine
P.S.
(Catalog
Number
26-1422)
Cubic
P.S.
(Catalog
Number
26-1425)
Tile
Italic
(Catalog
Number
26-1426)
OCR-B
10 (Catalog
Number
26-1484)
Letter
Gothic
12 (Catalog
Number
26-1485)
Cubic
15
(Catalog
Number
26-1487)
Characters
per
Line
136
characters
at
10 pitch
mode
163
characters
at
12 pitch
mode
Impression Control
Three
levels available
(See page
13):
H,
M,
L
Printwheel
Life
40
million characters
Ribbon
Life
Nominal
270,000
character;
may
vary according
to
the
text
printed
(Multistrike
carbon ribbon)
Nominal
1,600,000
character (Fabric
ribbon)
Interfaces
Data
8 parallel
data
and
1
strobe
Code
Modified
ASCII
Temperature Ranges
Operating
+4
to
+95°F
(
+
5 to
+35°C)
Storage
-40
to
158°F
(-40
to
+70°C)
Relative
Humidity
Operating
20
-
90%
RH
(No
condensation)
Storage
5
-
95%
RH
(No
condensation)
Paper
Weight
Total weight:
26 pound/ft
2
max.
(127.9
grams/m
2
max.)
One
ply:
8
pound/ft
2
max.
(40
grms/m
2
max.)
Size
Width:
16 inches
max.
(420mm
max.)
Length:
3.33
inches
min.
(84.7mm
min.)
Ribbon
Multi-strike,
carbon ribbon
(Catalog
Number
26-1419)
Fabric ribbon (Catalog
Number
26-1449)
Size
8.05" x 24.6" x 15.55"
204.5mm
x
625mm
x
395mm (HWD)
Power
Requirements
120V
AC,
50/60 Hz,
135W
typical
220/240V
AC,
50
Hz
for
European and
Australian
models
Optional
bi-directional tractor
is
available
(Catalog
Number
26-1447)
Optional
uni-directional
tractor
is
also available
(Catalog
Number
26-1446)
-22

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