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Product
Information
9845B/C Computer Specifications
The
following specifications are common to
both
the
System
45B
and
45C.
COMPUTATIONAL
Memory
Dynamic Range
....
,
.,
..........
-10
99 to
-10-
99
,0,
+
10-
99
to +
10
99
Internal Calculation
Range
................
.
Tape Cartridge
....
-10
511
to
-10-
511
,0,
+
10-
511
to +
10
511
Capacity (per cartridge)
..........
217000 bytes
Access.
. . . . . . . . . . . . . . . .
..
directory (stored in r/w
memory), file-by-name
Search Speed (bidirectional)
.....
2286
mmls.
(90
in/s.)
Average Access Time
...........
6 s.
Average Transfer
Rate.
1
440
byte/so
Rewind
Time.
. . .
.....
19
s. (end to end)
Cartridge
Size. . . .63.5 x 82.5 x 12.7mm
(2.5 x 3.25 x
0.5 in.)
Read/write
Verification
.....................
program recording
Error Check
....................
check
sum
Note: Tape cartridges are intended for nominal program
or
data storage; the typical life cycle is 50-100 hours of use,
depending
upon
the application. It is suggested that tape
transports be cleaned regularly
and
tape cartridges removed
from drives after use.
THERMAL LINE
PRINTER
Printing Speed
..................
up
to
480
lines/minute
Plotting
Speed:
normal
mode
.................
25.4 mmls.
(1
in./s.)
CRT transfer
..................
3.5 to
25
mmls.
(0.14 to 1 in./s.)
Character
Matrix.
. . . . . . . . .
.5
x 7 dots
(7
x
12
field)
Noise Level:
9 hours
@
100%
duty
cycle
....
68
dba (max.)
0.5
hours
@
100%
duty
cycle
.....
55
dba
(avg.)
Paper
Feed.
. . . . .
..
.
...........
automatic load
Paper Dimensions:
English version
...............
216
mm
x 61m (S.5 in.
x
200
ft.)
Metric version
................
210mm x 60m (8.27 in.
x
197
ft.)
Paper Types
....................
black print, perforated
blue print, continuous roll
Note: The
9845
printer
is
designed to print approximately
50
000
Ft.
of paper (about
250
rolls) prior to print head
replacement. However, actually print head
life
may
vary
Widely
depending upon usage.
CRT
ALPHANUMERIC MODE
Character Generation
............
7 x 9 character font in
a 9 x
15
character cell
Cursor
.........................
blinking underline
Highlighting
....................
inverse video, blinking
and
underlining
MOS Memory
......
.
........
7
680
bytes of non-user
read/write memory
KEYBOARDS
Standard ASCII,
also available in
.................
French, Spanish,
German
Katakana, SwedishlFinnish
The
following specifications vary
between
the HP
9845B
and
HP 9845C.
SPECIFICATIONS
HP
9845B
(with
standard
HP
9845B
(with
enhanced
HP 9845C
processor
and
CRT)
processor
and
CRT)
ALPHA RASTER SIZE
236
x 122.94mm (9.3 x 4.84
236
x 149mm (9.3 x 5.9 in.) 247 x 154mm (9.72 x 6.06 in.)
in.)
SCREEN CAPACITY
26
lines x
80
characters
26
lines x
80
characters
26
lines x 80 characters
(2
080
characters)
(2
080
characters) (2080 characters)
DOT
SPACING 0.32Smm (0.013 in.) 0.32Smm (0.013 in.) 0.343mm (0.0135 in.)
GRAPHICS MODE
Raster Size
200xI62.5mm
(7.9x6.4in.)
184x149mm (7.2x5.8in.) 192xl56mm (7.5x6.1 in.)
Display
Speed
(Vectors/s., overlapped
and
not clipped)
Opt.
100
Opt.
200
For/Next -SO
-270
-95
-145
Matrix Plot
N.A.t
-430
-200
-240
Absolute Plot
N.A.t
-5000 -5000
-5000
Circles/s., not clipped
N.A.t
-240
-2
-5
Linearity
1.5% full screen
1.5% full screen <2% full screen
Array
Size
560
x
455
dots
560
x
455
dots 560 x
455
dots
Dot Resolution
0.357mm (0.014 in.)
0.33mm (0.013 in.) O.034mm (0.013 in.)
CURSOR
Plotting Mode Full screen
or
blinking
Full screen or blinking Full screen or small crosshair
crosshair
crosshair
Letter Mode Blinking underline
Blinking underline
Blinking underline
Character Editing
Overstrike in letter mode Overstrike in letter
mode
Overstrike in letter
mode
09845-90039. rev:
4184
I
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