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Curtis Computer kb4900 - KB-4900 Major Features; KB-4900 Description and Components

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ISENDS
XSENDS
ISENDS
ISENDS
XSENDS
KSENDS
MORSE
FROH KEYBOARD
HORSE FROM PADDLE
KEY,
MANUAL KEY
BAUDOT
CODE FROM KEYBOARD
ASCII CODE FROM KEYBOARD
I)EE£3(3F?
I F31'I EJFJ-
OR BUG
TRUE RANDOM
HORSE FDR CODE PRACTICE
PSUEDO RANDOM MORSE IN 8~l5OO CHAR.
LISTS OF 5-LETTER
GROUPS N/ANSWERS
Sends Morse
code from the
keyboard
or
from an external
paddle
key
at
any speed
selected
by
the
speed
control.
Analog
controls
(potentiometers)
sidetone
pitch
and sidetone volume.
An
analog
meter readout of buffer
status
the
fullness of the
sending
buffer which
(overflow
lamp
and
pitch change
on
Horse
A "BUFFER HOLD" function allows break—in
key
is
operational during
the hold.
An
analog
meter readout is also
provided
readout.
This is calibrated from 5 to B0
either
keyboard, paddle
initiated
keying
are also
provided
for
weight,
continuously
indicates
can
contain as
many
as 256
characters.
signals
nearly
full buf#er)
operation.
The
paddle
for Morse code
speed
upm
and is effective
for
or random code
practice.
Push—to—talk control is
provided
for transmitter
switching
in all modes.
PTT release is
delayed
0.5
Special prosigns
AS,SK,BT,AA,KN,
KA
plus
commercial.
Four
programmable message
memories
(A,B,E
&
D)
seconds {or convenience.
most
European
and
are
provided.
These
can consist of one to four
messages
whose total is 256
characters.
Messages
are called
via the
sending
buffer.
partitioned, meaning
that “B”
imum use of the
memory
storage.
The memories
may
be
"chained"
Memories
always
starts wherever
The {our memories are soft
"A" ends to make
max-
"C. and "D"
via the buffer.
(Warning lamp
for overflow
during
load is
provided)
(3)
follow in
the same manner.