Appendix B: Control panel protocol
127
T
h
e comma
n
d
s sent
b
y t
h
e ce
ntra
l un
it an
d
rece
ive
d
b
y t
h
e contr
o
l pane
l:
The comm
an
ds sent
by the control pane
l and received by
the central unit:
No
ta
ti
on
o
f t
h
e g
e
n
e
ra
l
syn
tax:
y
Al
l
se
pa
ra
te
en
ti
ti
es i
n
a
messa
ge
a
re
represented
between curly brackets,
e.g.
{CRC}
y
Literal
stri
ng
s ar
e b
e
tween quote
s,
e.g.
'P'
y
Lo
gical entities are neithe
r between
bracke
ts nor quotes, e. g.
Mi
c.-No.
(micro
phone
number)
y
A l
o
gical
enti
ty
wi
ll
a
lso
contai
n a
nu
mb
er b
e
tween b
racket
s.
This
num
b
er states ho
w many
charac
ters the entity
exists of
, e.g.
(4)
y
V
o
lu
me,
treb
le, mi
ddl
e and
bas
s r
e
sponse a
re t
w
o-di
git
va
lu
es
from “
00
”
(m
in
im
um
) to “
12
” (m
axim
um
)
y
The two-di
gi
t nu
mber
s
for th
e conference mo
de
s are
: “
00
” (N
o R
e
q
u
e
st)
, “
01
” (With Request),
“
02
” (With Req.
No Clear), “
03
”
(Direc
t Access), “
04
” (
FIFO),
Genera
l syn
tax
Gen
e
ra
l mean
in
g
E
xam
p
les
{'
%'}{
'1
'}{
'L
'}
{Mi
c.-No.(4
)}
{CRC
(4)
}
A mi
crophone
is
acti
vated.
%L000
101
3
E
The microphone with the
n
u
mber
'00
01' is
acti
vat
e
d.
{'
%'}{
'1
'}{'l
'}
{Mi
c.
-No
.(
4
)}
{CR
C
(4)
}
A mi
crophone
is
deacti
va
ted.
%1l
0001
01
5E
The microphone with the
n
u
mber
'00
01' is
deact
iva
ted.
{'
%'}{
'1
'}{
'D
'}
{Mi
c.-No.(4
)}
{CRC
(4)
}
A
mi
cro
p
ho
ne g
o
es
i
n
to
requ
est
.
%1
D0002
013
7
The microphone with the
n
u
mber
'00
02' goes into
re
qu
e
st mo
de
.
{'%'}
{'E'}{
'0
0
'}{
CRC(
4)}
Al
l mi
cro
p
ho
nes sho
u
ld
be
reset (pri
ori
ty
fu
nc
tion).
%1
E00
00D6
Al
l mi
cropho
nes are
tu
rned
o
ff
.
Genera
l syn
tax
Gen
e
ra
l mean
in
g
E
xam
p
les
{'
%'}{
'1
'}{
'T
'}
{Mi
c.-No.(4
)}
{CRC
(4)
}
Acti
va
te a
mi
crophone.
%1
T0002
014
7
The microphone with the
n
u
mber
'00
02' is
to
be
acti
vat
e
d.
{'
%'}{
'1
'}{'V'}
{CR
C(4)
}
Restart t
h
e
control
pa
ne
l
and
get i
nformati
o
n
about the
mic
rophon
e
s to
re
in
it
ia
li
ze
t
h
e
co
n
tr
o
l
panel
.
%1
V0
087
The control panel
is
to
be resta
rt
e
d
a
n
d the correct
inf
o
rma
tion about al
l acti
ve
mic
rophon
e
s and al
l
mi
cropho
nes
in
request
mod
e
is
t
o
be receiv
ed.
{'%'}
{'1'}{
'X'}{
Volu
me(
2)}
{Tr
eble
res
ponse
(2)
}{
M
idd
le respo
nse(
2)}
{Ba
ss
res
ponse
(2)
}{
CRC(
4)}
Change
th
e volume and
sound sett
ings of
the
con
soles’ built-i
n lo
ud
sp
ea
ker
s.
%1X06
060606
0221
Vo
lu
me
, tr
e
b
le
, mi
ddl
e
and
b
a
ss
r
e
sp
ons
e
ar
e each
to be set to the
value
“
06”
.
%1X00
060606
021B
Al
l
mi
cropho
nes
are to
b
e
m
u
ted
.
{'%'}
{'1'}{
'U'}{
Confe
renc
e mod
e(2
)}{
CRC(
4)
}
Change t
h
e
conferen
ce mod
e
.
%1U04
00EA
The
conference mod
e
is
to
be c
h
anged t
o
“FIFO”
mo
de
.
{'%'}
{'1'}{
'v'}{
CRC(
4)}
Acti
va
te
the test ton
e
.
{'%'}
{'1'}{
'w'}{
CRC(
4)}
Deacti
va
te
the test ton
e
.
Содержание SDC8200
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