Epcom PROAUDIO SF-2240UC Betriebshandbuch - Seite 10

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5. OPERATION ILLUSTRATION

7. Speaker Connection

Before turning on the device, please carefully confirm that the load is constant-voltage or

constant-impedance speakers and set the amplifier to the corresponding output mode. It is

forbidden to switch the constant voltage and constant impedance state arbitrarily when the

power is on.

Constant voltage mode: Turn the switches corresponding to CH1/CH2: 4-16Ω to OFF.

Constant impedance mode: Turn the switches corresponding to CH1/CH2: 4-16Ω to ON.

The operation method is as follows:

① When the 100V and 4-16Ω speaker output

mode selection switch is set to the 100V

position, as shown in the figure below:

100V/4-16Ω

OUTPUT

CH2

CH1

SPK+

100V voltage speaker

8. Audio source priority

EMC >MUTE >REMOTE MIC >INPUT1-4 >LINE1-2。

9. Method of making network connection line

1 2 3 4 5 6

A: 1 Blue 2 White-Blue 3 Brown 4 White-Brown 5 Orange 6 White-Orange 7 Green 8 White-Green

B: 1 Blue 2 White-Blue 3 Brown 4 White-Brown 5 Orange 6 White-Orange 7 Green 8 White-Green

Note: The color of cable is not specified. A=B is satisfied.

◆ Remote micrphone cable sequence:

1 MIC485-N

5 GND

2 MIC485-P

6 +24V

3 +24V

7 MIC INPUT+

4 GND

8 MIC INPUT-

1 2

DIP

SPK-

7 8

②When the 100V and 4-16Ω speaker output

mode selection switch is set to the 4-16Ω

position, as shown in the figure below:

100V/4-16Ω

OUTPUT

CH2

SPK+

constant impedance speaker

4Ω

1 2 3 4 5 6 7 8

◆ Remote volume control cable sequence:

1 PAN485-N

5 GND

2 PAN485-P

6 +24V

3 +24V

7 GND

4 GND

8 GND

CH1

1 2

DIP

SPK-