Alto MC250.8, Руководство пользователя

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Power Switch
It switches on / off MC250.8 main power.
Power LED
This LED lights up when the amplifier is powered on
Clip LED
When the respective channel's output signal distortion exceeds 0.5%, the red LED (clip) indicator lights up. it
will warn you that the level of the input signal is too high and may cause distortion, please attenuate the level
of the input signal.
Protection LED
This red LED indicator lights up when the amplifier is powered ON, and the soft-start protection system is working.
No sound is outputted during soft-start protection. I
f short-circuit protection or over-load protection is activated,
this indicator flashes and no sound is outputted. The speakers system is actually disconnected with the amplifier
outputs when this indicator flashes. when over-heat protection or DC protection is activated. At this time, protection
LED lights up, and audio output is shut down automatically, and no sound is outputted. When the amplifier have
no malfunction, all the protection systems deactivate and protection LED lights off.
Signal LED
After signal is inputted, LED becomes brighter while the signal level increases.
Level Control
This pot is used to adjust output level.
Fan
The unit is equipped with two fans in the front, which can accelerate the flow of air to lower the temperature inside
unit. The inside temperature determines the fan speed, which controls the inside air flowing speed.
Bridge Mode LED Indicator
When you operate the unit in bridge mode, the LED indicator lights up. As for the bridge mode, refer to 3.2 rear
panel
Parallel Mode LED Indicator
When you operate the unit power amplifier in parallel mode, the LED indicator lights up. As for the parallel mode,
refer to 3.2 rear panel
1
1
6
5
6
7
3
3
4 5
4
2
2
7
9
8
5
3.
CONTROL ELEMENTS
3.1 The Front Panel
POWER
ON
OFF
PWR ON
BRDG
PROT
CLIP
PAR
SIG SIG
PROT
CLIP
PAR BRDG
(dB)
12
16
18
20
22
24
26
28
30
6
(dB)
12
16
18
20
22
24
26
28
30
6
CH1 CH2
(dB)
12
16
18
20
22
24
26
28
30
6
CH3
(dB)
12
16
18
20
22
24
26
28
30
6
CH4
BRDG
PROT
CLIP
PAR
SIG SIG
PROT
CLIP
PAR BRDG
(dB)
12
16
18
20
22
24
26
28
30
6
(dB)
12
16
18
20
22
24
26
28
30
6
CH5 CH6
(dB)
12
16
18
20
22
24
26
28
30
6
CH7
(dB)
12
16
18
20
22
24
26
28
30
6
CH8
8 9
11
11
MC250.8
LTO
R
250W 8 Professional Amplifier 250W 8 Professional Amplifier