Epcom PROAUDIO SF-4120UC Manual de instrucciones - Página 6

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4. NOMENCLATURE AND FUNCTIONS

4.1 FRONT PANEL

15
16
USB
TF
INPUT1
INPUT2
MIN
MAX
MIN
MAX
1
1. INPUT 1-4 channel volume control, the potentiometer controls the input level. When
the potentiometer is turned clockwise, the volume will gradually increase, and the
reverse rotation will gradually decrease the volume.
2. LINE1/LINE2 input channel volume control.
3. BASS—bass knob of main channel.
4. TREBLE—treble knob of main channel.
5. SIG—signal indicator, when there is music signal input, as the volume potentiometer
is turned on, this signal indicator lights up; the brightness changes with the size of the
input music signal.
6. CLP—Clip indicator. When the indicator on the machine is lit by signal, the output
signal has been distorted at this time, indicating that the input signal is too large.
Please reduce the input signal.
7. PROT—This indicator light is on when the machine protection function is activated.
If the speaker wire is short-circuited, or the power of the connected speakers is 1.5 times
greater than the rated power, the protection circuit inside the machine will work, and the
power amplifier output will be disconnected and the protection indicator light will light up
(the signal indicator is only used to indicate the input music signal, when in the protection
state, the signal indicator still lights up according to the size of the input signal). When the
machine is working normally, this indicator is off.
8. 4~16Ω—constant impedance 4~16Ω mode status indicator.
9. 100V—constant voltage 100V mode status indicator.
10. ON/OFF—Power switch, press the switch up to turn on the power; press the switch down
to turn off the power.
11. POWER—power indicator light. When the power is turned on, the power indicator light is
on, indicating that the machine is in working condition. When the power is off (shutdown),
the power indicator goes out.
12. Main channel CH1-CH4 volume control.
13. Operation button area
14. 2.4-inch color screen, used to display the current working status of the machine;
15. USB interface.
16. TF socket.
14
13
MENU
V
V+
MODE
INPUT3
INPUT4
LINE1
LINE2
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
2
6
12
CH1
CH2
CH3
PROT
PROT
CLIP
CLIP
SIG
SIG
100V
100V
MIN
MAX
MIN
MAX
MIN
MAX
4-16
4-16
Ω
Ω
dB
dB
dB
dB
dB
dB
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
3 4 5 6 7
8 9
11
CH4
POWER
MIN
MAX
dB
dB
-10
+10
-10
+10
10