4 . N O M E N C L AT U R E A N D F U N C T I O N S
4.1 FRONT PANEL
5
9
.
AC
power
input
is
connected
to
the
local
power
system
.
Please
check
whether
the
operating
voltage
is
consistent
with
the
marked
voltage
.
10
.
The
cooling
port
and
fan
are
for
heat
dissipation
.
Please
keep
the
it
to
be
good
Ventilation
to
avoid
overheat
protection
.
11
.
With
100V
/
4
~
16
Ω
speaker
output
port
It
is
used
to
100V
or
4
~
16
Ω
speakers
(
The
sum
of
the
total
power
of
all
speakers
is
not
more
than
80
%
of
the
rated
power
of
the
amplifier
).
12
.
Remote
monitor port
for
the
device
working
status
by
connecting
with external
device
,
13
.
Balance
signal
input
interface
.
Input
sensitivity
of
this
product
is
default
setting
to
be
0dB
(
0
.
775v
).
14
.
Switch
buttons
for
100V
and
4
~
16
Ω
mode
5 . M A C H I N E O P E R AT I O N
Read Before Using The Amplifier
Volume Control
The volume depends on the performance of the speaker, position and some other factors. Pls avoid
to use the amplifier in the status of high volume for a long time.
Choice Of The Audio Source
In order to play the best performance of this device, please select the balanced signal sources after
processing by the preamplifier. Local input sensitivity is set to be 0dB (0.775V).
Connection Method
Please do not power on until all connections are completed. The audio cable connection need to
be fixed properly, otherwise it will reduce the sound quality, produce noise, or even damage the
device.
are paralleled connected with the device. In a supermarket, there is
dozens or hundreds of speakers after an amplifier, these speakers are on a wire. See wiring
diagram of the device for the connection method, the load with
, all of the
speakers the power is not greater than the power of the amplifier's rated output power.
100V
/
4
~
16
Ω
speaker
100V
/
4
~
16
Ω
speaker
100V
100V/
G
100V/
G
FAILED
FAILED
100V
4-16
Ω
4-16
Ω
4-16
Ω
4-16
Ω
OUT
CH1
IN
OUT
CH2
IN
9
12
14
10
13
11
Содержание T-2120DS
Страница 14: ...PUBLIC ADDRESS SYSTEM VersionV0 1...
