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DIGITAL POWER AMPLIFIER
5. FAN VENTS
Air flow is front to back.
※ Caution: DO NOT block front or rear air vents.
6. PRIORITY INPUT AND CONTACT CLOSURE
Each amplifier module has 2 audio inputs. The PGM input and PRIORITY input. PGM input is interrupted and
over ridden by the PRIORITY input when a contact closure is received on the PRI select terminal. This is Ideal for
Emergency message broadcasting applications. Please refer to the following picture about the suitable cables.
1
2
3
4
5
6
7. PRIORITY VOLUME CONTROL
It is a volume control of PRIORITY INPUT signal. This control can adjust PRIORITY INPUT signal used as
emergency broadcasting. Turn clockwise to turn up the signal level and counterclockwise to lower the signal level.
※ It is mainly for priority broadcasting so, don't make the VOLUME level too low.
8. SIGNAL LINK SWITCH
Turn ON the switches of each channel to link the same input signal of CH1 to the same channel.
For instance, when the switch of the CH2, CH3 is turned ON, signals input to the CH1 is output to CH2, CH3
simultaneously. Unswitched channels output received signals.
9. PGM INPUT TERMINAL
Terminal block connector accepts the source input. Please refer to the following picture about the suitable cables.
8
DPA-50E
PRIORITY
1
2
3
4
+ -
7
8 COM
1
8
COM
+
SW
IN
BGM 1
CH 1
BGM 2
CH 2
SIGNAL LINK
2
3
4
5
6
7
8
NC
BGM 3
CH 3
▲
OFF
ON
▼
BGM 8
CH 8
CH2
CH1
+ -
+ -
G
G
5
6
G
-
G
INPUT
DPA-50E
OUT
CH 1
CH 2
CH 3
CH 8
G
}
-
CH 1/CH 3/CH 5/CH 7
+
G
}
-
CH 2/CH 4/CH 6/CH 8
+
G
-
+
COM
8
7
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