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STUDER REVOX C274 - Serial Interface Control; Interface Definitions and Syntax; ASCII Protocol Overview; Commands for Individual Addressing

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STUDtrR
REVOX
c27 4
2t
no
Farity
bit
Syntax!
No
=pace
between the
comrnand
.
the
+ollawinq
-:CRl'-
The Epaces
i.n the following
have
only been inserted
to
imprave the legibility.
Data:
Interfece!
XXX {CR> {LF} xxx
(-) (xxx)
<cR>
<sP>
9::**,*=.---s'EßlsL"*JAIF=Ff
"tuc*F=**-.=."
The C?74 can be remote
tontrt:lled from
a
per=onal
computer viä
the
gerial
interface.
c)
It is
possible
that
the first character received
by
the machine after the
power
is trn ceuses
än
error
me€säqe thÄt should be ignored,
The
following tables apFly tE the machines
Epeci+ied
in the
left-hsnd colurnn: C?70, C?74.
C?78 {70747F}.
Latest
version June 16. 19Bg
E.c-o"n"B-n*d.s-*f-9-r*"*i^lr-d-i-*v-.i--d-u-a-l-"
{Example
far tape
deck command
"PLY"}
r
Direct carnrnandg without
preceding
address
ÄFe
intended for applications with only one
machine.
{Fhorter
comnand
wtrrdi-
r
I+
several
machines are interrBnnected.
thev
mugt be addreEeeble. The address
'OA"
rneÄns
that al1 mechines are
to
be äddressed, hewever.
no fsedback flccurs.
r
The first addressing
of the machine ocrlrrs
when
the
unit
to be addressed is
Fekered
on.
r
Ftrr
all
commendg fol]sr*ed
by
an
"?"
iexcept a
,nächine response). only the äddress nurnbers
Cf,..59
eFe admissible.
A new addreg= cän
be
assigned ta
a
Freviorlsly
äddressed machine
by
puttinq
its
old addregs in +ront of the
"SDN"
cornmand.
Hachine uith address
15 is to be address
as
*-1f,:
--i
15 {SF.L
SDN iSFt. f,sif,ft>
r
In
order
to rstäin the addresges t]+
the
machines that form a system, the ft]lla}.ling
cofimand sequence is required:
Dl
.:SP:r.
nN?
--i
02
{SFi
DN? ..-?9
.iSF::
DN?
Depending
on
t-he
comrnencrr the respcnse mr-rst
be
awaited-
No response
mea-ns that no machine exigts
with
this address
or that the correstrondina tnachine
is stritrhed of+.
hlithauf-
ä
battery inserted the addr*ss will Le
lr=t.
ASCII charäcters
96DB bäud, E} data
bits,
1 stoP
bit'
and
list
deEiqneteE
a required
input
oLlttrut
that is always
available.
designates
a
possible
input
ol-rtput
designate5 a carriage
return
designates a Epatre
{blank}
E"rr-e,r__f e,_F_d__bgF"lg
"?"
{CR:}
.:LF}'
Input command Lrnknown
,.INPUT
FBFII'IAT
ERRDR'
.icfi)'
{LF> Input
forrnat
ig incsrrect
itrTRLiX ir.rith{rLrt epatre crr {CE}
'i.CTRL}
X
cancel.s the last input
(Eutput
4:CTRL: r:LF-ii
.:CTRL}}J
{XOFF:A
.:XEN}
iwithaut space
or
{CRi) tCTRLi{d
is
a flip-*lep with
the
sarre
+LlnEtion
as
.iXON.:.
./
{XOFF}
stops the
output o{
a ne* comrnand
in Frder to
prevent
overfLow
reenables the output of
connands
{refer to normal X-ON,/OFF
protocol}
All commands
in this table that are terminsted
with
{CR}
can a1=o be terminated nith iSF}'.
In
the time input, a
":",
nrrr
or a blank
can be
inserted bet!'repn hcurs, minutes. and
gecend=.
In the
date inpr:t a
"-"
or
"r"
Ean
be inserted
betueen the
year,
month. and date.
Error
processing:
lrle recornrnend
the
implenentation o+ Än
error
prf]-
ceggine
pFBgrarn
in the application
pragrÄm
isee
Nste u=].
Notes:
a) Atter each ASf,II command. the
resFünse
(CR
LF)
mu=t be awaited before a Fleer coanrnand
is
trans-
mitted
iexception: rewind/+t:rwerd when
Lrsed in
synchroni.aer mtrde:
see special coftnandsi.
b) The rnachine ig not
ready
ttr receive
data
for 3
seconds ä+ter the
power
has been
=r+itcheci
t:n.
This delay is required
for
initializing
the sy-
stem-
270 274
278 l'lachi ne
Inpnt Output
l,leani ng
XNX
I'LY \LK}
{cR}.iLF} PLAY
OO {SP;l PLY
{cR}
no reSponSe PLAY
for all
ronnected
mächi ne5
x 15 PLY
.:CRi
{cR:1
from machine
*15
only
FLAY
for
rnachine
*15 onlv