8
5. OPERATION ILLUSTRATION
1. Operation button description
1
2
3
4
5
6
7
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 2. Next song button
3. "MENU" knob button 4. "MODE" mode button
5. Volume + button 6. 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" button 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. 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.
CH1
MIN MAX
PROT
CLIP
SIG
4-16
Ω
100V
4-16
Ω
CH2 CH3
CH4
100V
PROT
CLIP
SIG
MIN MAX MIN MAX MIN MAX
-10 +10
dB
-10 +10
dB
-10 +10
dB
-10 +10
dB
-10 +10
dB
-10 +10
dB
-10 +10
dB
-10 +10
dB
The treble and bass control are shown below.The maximum adjustable of BASSS or TREBLE
is ±10dB.
3. Treble and bass control
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.
4.Dial Function Description
INPUT1 Priorty
INPUT2 Priorty
INPUT3 Priorty
INPUT4 Priorty
1 2
3
4
5 6
CH1/CH2:4-16Ω
CH3/CH4:4-16Ω
INPUT1 Phantom
INPUT2 Phantom
INPUT3 Phantom
INPUT4 Phantom
CH1-REMOTE
CH2-REMOTE
CH3-REMOTE
CH4-REMOTE
1 2
3
OFFON
5 6
7
8
4
DIP
ON
ON
DIP
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