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F1
SPEED CHECK
F2
BAUDRATE SELECTOR
F3
MODE RECALL
F4
FORWARD SEQUENCE
F4+F3
REVERSE SEQUENCE
The ARQ-E3 mode is very similar to
the ARQ-E mode, however, differs in
the
utilized
alphabet.
easily
recognized
mode ARQ-E the seqeunce FFFF occurs
often.
The
4
F1
SPEED CHECK
F2
BAUD RATE SELECTION
F3
CYCLE SELECTOR
F4
FORWARD SEQUENCE
F4+F3
REVERSE SEQUENCE
The operating mode ARQ-N is a full
duplex
system
alphabet with parity check. The F3
key can be used to set the length
of
the
acknowledgement
Usually
the
characters
is
used,
F1
SPEED CHECK
F2
BAUD RATE SELECTION
F3
CHANNEL SELECTOR
F4
FORWARD SEQUENCE
F4+F3
REVERSE SEQUENCE
The software preselects 96 Baud for
ARQ-M2
and
192
Additionally the F2 key can be used
to manually change the Baud rate.
It
is
possible
receives
messages
channel
while
constantly in idle or RQ condition.
The F3 key is used to select sub-
ARQ-E3
because
in
or
8
polarity
using
the
ITA-2
cycle.
RQ-cycle
with
the
software
Baud
for
ARQ-M4.
that
a
station
in
one
the
others
Displays the baud rate
Selects standard or variable Baud
rates (as obtained from the F1
measurement)
Redisplay of the mode as well as re-
synchronization
go to next operating mode
go to previous operating mode
reversals
e q u i p m e n t
is
automatically. The F2 key adjusts
the
the
baudrate;
unknown,
baudrate measurement.
Measure Baud rate
Configure Baud rate
Configure acknowledgement cycle
length
go to next operating mode
go to previous operating mode
u s e s
t h i s
Transmissions
Baud; 72, 144, or 192 Baud are also
possible.
can be called up by using the F1
4
key. Press F2 to set the correct
Baud rate for data capture.
Measure Baud rate
Configure Baud rate
Selects division channel or auto
mode
go to next operating mode
go to previous operating mode
channels A & B, respectively A, B,
C, and D, or automatic selection of
a busy channel.
These
modes,
TDM
ARQ-28
are
recommendations
These modes multiplex 2 or 4 data
t r i b u t a r i e s
are
recognized
a d j u s t s
should
the
F1
key
a s
a
are
usually
Baud
rate
measurements
also
known
or
ARQ-56,
follow
of
CCIR
i n t o
o n e
Page 22
and
the
i t s e l f
this
be
initiates
d e f a u l t .
at
96
as
TDM,
the
342-2.
d a t a
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