User's Manual
r
e
l
e
a
s
e
one of 5 slaves that
accessed
first and allows the
l
a
t
e
s
t
one to use Talk.
I
n
this way
5
T
i
t
l
e
User
Manual
V
e
r
s
i
o
n
V
1
.
0
R
e
l
e
a
s
e
2015
.
10
.
I
n
Group
m
o
de
,
group
can be set with UP/DOWN
button
in the
range
of 0
~
51
.
1.4.
ID
S
e
tt
i
n
g
MCS-900
intercom
has ID
setting function
to
communicate
with each
other.
Each
intercom
has
to
have an
un
i
q
u
e
I
de
n
t
i
f
i
c
a
t
i
o
n
number
in the
same group
and
M
a
s
t
e
r
’
s
ID
must be set “00” .
How to
s
e
t
After
turned
on,
phone
is in
v
o
l
u
m
e
c
o
n
t
r
o
l
m
o
de
.
To
change
v
o
l
u
m
e
mode
into
group
m
o
de
,
press Mode
B
u
tt
o
n
L
o
n
g
Press
F
un
c
t
i
o
n
button
to move
ID
change mode
as
be
l
o
w
.
I
n
ID
change
m
o
de
,
ID
can be set with UP/DOWN
button
in the
range
of 0
~
99
.
1.5.
TALK F
un
c
t
i
o
n
MCS-900 intercom serves TALK function to let users start to talk with others. In case of Master, the default talk
mode in ON, and in case of Slaves the default talk mode is in inactive state. Therefore Master can start to talk
after power is turned on, Slaves are required to press Mode button then Talk function is activated. Talk function
is available in 5 phones including Master at the same time. While 4 slaves are using Talk, if another slave tries
to talk by pressing mode button, Master persons can keep talking.