Epcom PROAUDIO SF-4120UC Manuel d'utilisation - Page 8

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5. OPERATION ILLUSTRATION

1. Operation button description
The button area is shown on the right. The "MENU" knob can be rotated clockwise or counterclockwise
to move the interface cursor and select the specified function. Short press the "MENU" knob to confirm
the operation. The "MODE" button is dedicated to switching multimedia functions: Music Center, FM
radio, Recording, Bluetooth.
1.Play/Pause button
3. "MENU" knob button
5. Volume + button
7. Last song button
Special function operation instructions:
① Update resource library and firmware with TF card inside the device
Put the resource library and firmware files into the root directory of the TF card and insert it
into the built-in TF card socket, when the device is off, press and hold the "MENU" knob to
turn it on, after seeing the screen light up and displaying information, release the button to
automatically update the firmware and resource library.
② Update the system Bootloader
Put the system Bootloader file into the root directory of the TF card and insert it into the
built-in TF card socket, when the device is off, press and hold the "Play/Pause"
it on, after seeing the screen light up and displaying information, release the button to automatically
update the firmware and resource Library.
2. Volume Control
The master volume control is shown below, CH 1 and CH2 share the same constant pressure/
constant impedance indicator light, CH3 and CH4 share the same constant voltage/constant
impedance indicator light.
3. Treble and bass control
The treble and bass control are shown below.The maximum adjustable of BASSS or TREBLE
is ±10dB.
dB
-10
+10
4.Dial Function Description
The enlarged view of the DIP switch is shown on the right,
it can be used to configure specific functions. Specific
functions include configuration of constant voltage/constant
impedance mode, local/remote volume control, INPUTx
priority control, and INPUTx Phantom function disable/enable.
2. Next song button
4. "MODE" mode button
6. Volume-button
MIN
dB
dB
-10
+10
-10
+10
8
7
V
6
CH1
CH2
PROT
CLIP
SIG
100V
MAX
MIN
MAX
4-16
Ω
dB
dB
dB
-10
+10
-10
+10
-10
+10
1 2 3
DIP
1
2
MENU
3
V+
MODE
4
5
button to turn
CH3
CH4
PROT
CLIP
SIG
100V
MIN
MAX
MIN
MAX
4-16
Ω
dB
dB
-10
+10
-10
+10
5 6 7 8
1 2 3 4 5 6
4
ON
DIP
ON