WorkPro PA 120 USB/R Bedienungsanleitung PDF herunterladen (Seite 9)

Loudspeaker Connection

Note: Use only 100V Line Loudspeakers

Two loudspeaker outputs are provided. The output marked ‘Music/speech gives an output at all times,

reproducing any signal input into the amplifier. The output marked ‘Speech Only’ will only reproduce a

signal during a priority condition, therefore an output from this connection will be present when

Microphone is in a priority condition. this means that only the ‘Ding Dong’ chime and the signal from one

of these microphone inputs will be presented to this output.

Low Impedance (8 Ohm

)

This output allows connection of standard low impedance loudspeakers, the minimum load impedance

must be 8

Ohm

, when two or more loudspeakers are use ensure that they are wired in such a way that the

load impedance is between 8

Ohm

and

16 Ohm.

Connecting a Mixer Amplifier to a Power Amplifier

These amplifier can be connected using phono to phono leads from the mixer amplifier PRE out to the

power amplifier input phono socket. further power amplifier Can be connected by connecting from the

output of first power amplifier to the input of the second. up to three power amplifier can be connected in

this wa

If the

Two Zone feature is required. the manual priority terminals must be used. connecting the priority

terminals from the mixer amplifier to the first power amplifier. up to three power amplifier can be

connected in this wa

VC A noise gate

The mixer amplifier are equipped with a VOX in master section. The input level which is required to

open the noise gate (S601 on the VR PCB-fixed on the front panel). When using the noise gate ( on )

then the S/N ratio can get more than 75dB for MIC inputs and 80dB for

Aux

/ CD inputs.

Power amplifier setting

SW 401

10 0mV

500mV

SW 40 3

SW404

PAB-1

l Input Sensitivity Setting

The amplifier has three ( 1V, 500m

, 100mV) Selectable input Sensitivity located on the PCB (SW401).

The sensitivity of amplifier are factory Set to 500mV.

l Amplifier Settings (connecting more power amplifiers)

(mode selector switch located on the PCB)

(SW403) (SW404) (AMPLIFIER)

STAND ALONE

MASTER

AVE

Single unit operation

For single unit operation, set the mode selector switch (SW403,SW404) Located on the PCB to

the “ S

TAND ALONE”

position.

Three unit operation

For

two or three unit operation, one unit must be

designated the master unit, this can be done by

the mode selector switch to the “ MASTER “ position.

All

other units must be switched to “SL

AVE”

mode.

1. Mic1

Control de volumen

7. Master

Control de tonos(Graves)

2. Mic2 8. Master

Control de tonos (Agudos)

3. Mic3 9. Master

Control de volumen

4. Mic4

10.Interruptor de red

5. Line

11.

LED indicador de red

6.Selector CD/Aux

12.LED indicador de nivel de salida

COM 8 100V COM 100V

DC 24V

PRE OUT

MIC 2 MIC 1

SENS VR

MONITOR OUTPUT TEL/EMER

SENS VR

MIC 4 MIC 3

MUSIC/SPEECH

LINE FUSE

Connected for 230v~

Apparatus delivered

115V~

230V~

600 1V

1W ~ 0 ~+ P

MICMIC LINELINE

PHANTOM

19 2018 22 23 28

5 6 7 8 9 10 11 12 1413 15 16 17

25 27

21 24

3. 18.

4. 19.

5. 20.

6. 21.

Tornillo de conexión a tierra

Terminales de alimentación DC

Terminales de salida de altavoz

Entrada Power (RCA phono)

Salida Tape ( 2x RCA phono)

Entrada CD (2x RCA phono)

Entrada MIC4 (XLR balanceado)

Portafusible de red

Selector de red 115/220V

Conector de red

Salida Pre (RCA phono)

MIC3, selector Line/Phantom/Mic

Terminales de prioridad

Terminales de entrada TEL/EMER

Terminales de salida de monitor

Control de nivel de salida de monitor

Control de nivel de entrada TEL/EMER

Conmut. On/off de la sirena

16.

17.

22.

23.

24.

25.

26.

27.

28.

29.

10.

11.

12.

13.

14.

15.

Entrada AUX (2x RCA phono)

Entrada MIC4 (DIN balanceado)

Entrada MIC3 (XLR balanceado)

Entrada MIC3 (DIN balanceado)

Entrada MIC2 (XLR balanceado)

Entrada MIC2 (DIN balanceado)

MIC4, selector Line/Phantom/Mic

Entrada MIC1 (XLR balanceado)

Entrada MIC1 (DIN balanceado)

Entrada MIC2 Control sensibilidad

Entrada MIC1 Control sensibilidad

Control de volumen

PANEL FRONTAL

AUX CD

RPT

SD USB

VOL VOL

REC

SD MMC

Digital MP3 Player Recorder

100 V LINE PUBLIC ADDRESS AMPLIFIER

-25 18- -160 -d0B

ON OFF

POWER

BASS

TREBLE

MASTER

MIC 2

MIC 3

MIC 4 LINEMIC 1

PANEL TRASERO

13. Interfaz USB/SD

PA 120 USB/R User Manual/Manual de uso Pag 10

PA 120 USB/R User Manual/Manual de uso Pag 7

1 2 3 4 5 6 7 8 9 10

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