LY International Electronics PM812 Manuale utente

Public Address System

6 Zones Mixer Amplifier with Paging, USB and Bluetooth

PM812

PM825

PM835

Operation Instructions

Welcome to use our public address system. For better application of this equipment, please read the operation

instruction carefully prior to use.

LY I n t e r n a t i o n a l E l e c t r o n i c s C o . , L t d .

http: //www.lyintlcorp.com/

About Operation Instruction

This operation instruction shall come into effect on the date on which the development of

the integrated power amplifier with partitions PM812/PM825/PM835 equipment is

completed. The operation instruction contains the systematic introduction to the

integrated power amplifier with partitions PM812/PM825/PM835 equipment, precautions

for use, instruction to connection of system, and instructions to operations of products,

and so on. The user shall read this operation instruction carefully prior to connection,

installation and use, and shall operate in accordance with the instructions herein.

The attention must be paid to the instructions with such identification on the back panel of the

machine. Please use or operation the machine following such instruction.

Please keep this operation instruction for the checking in the future.

Warning

In order to prevent the personal injury to user and other persons, the damage to equipment or loss of assets,

please abide by the following basic precautions:

This mark indicates what is prohibited. This mark indicates what must be done.

Check the power line for damage; please do not

unplug by pulling the power cord but unplug

directly; otherwise, it will lead to electric shock,

short circuit or fire.

During the process of use, do not block the vent. It is

required to keep all the vents unblocked in order to

prevent the overheating.

Please do not put this equipment in the

heavily dusty, shocking, extremely cold, or

hot environment

Please do not put any weight on this equipment. Do

not operate switch and button or connect the external

audio source equipment with overexertion.

Prevent the entry of any foreign matter (e.g.

paper and metal) through the clearance or opening

of the equipment into it; in such case, please

disconnect the power supply immediately.

Do not try to remove any component in the

equipment or transform it in any way.

In case of the sudden interruption, or abnormal

smell, or smoking during the operation of the

machine, please unplug the power supply to prevent

the electric shock, fire and other accidents, and ask

the professionals to repair the equipment.

Smell of scorching

Please make sure to unplug the AC power line or

switch off the socket on the wall to achieve the zero

energy consumption if this equipment is out of service

for a long term.

Table of Contents

I. INTRODUCTION TO PRODUCT ........................................................................................................................ 1

1.1 DESCRIPTION OF EQUIPMENT ..................................................................................................................................... 1

1.2 PERFORMANCE CHARACTERISTICS................................................................................................................................ 1

II. DESCRIPTION OF APPEARANCE .................................................................................................................... 2

2.1 DESCRIPTION OF FRONT PANEL ................................................................................................................................... 2

2.2 DESCRIPTION OF REAR PANEL ...................................................................................................................................... 2

III. INSTRUCTION TO CONNECTION ................................................................................................................. 2

PACKING LIST ......................................................................................................................................................... 4

PERFORMANCE SPECIFICATION ....................................................................................................................... 5

*LY* All in one Mixer Amplifiers

I. Introduction to Product

1.1 Description of Equipment

PM812/825/835 is a kind of cost-effective professional intelligent address system combining the luxurious and

high-grade aluminum-alloy panel with standard and exquisite case with an elegant appearance, and also suitable

for household, factory, school, hospital, shop and other commercial application. The amplification system of this

equipment is designed with imported power tube, resulting in the strong power, wide frequency band, low noise,

high fidelity and quality at the level of performance. In the equipment, there are six partitions and constant

impedance output in order to facilitate the user to access the back-end loudspeaker. With the perfect and reliable

overload protection, short-circuit protection, and overheat protection, the safety performance of this equipment is

improved. The technical essence of this product is focused on the super adaptability and perfect performance.

1.2 Performance Characteristics

 Four channels of microphone and two channels of line input, and adjustable treble and bass separately;

 With 6-partitions selector, it is possible to select and control every partition separately; the volume is

adjustable separately with indication by indicator lamp; it is also possible to select and control all the

partitions with indication by indicator lamp;

 Built-in bell and alarm generator, controllable volume separately, indicating by indicator lamp and switch,

and bell short-circuit triggering terminal;

 When the built-in alarm generator is started up, the background music is turned off, and the output from six

channels of the partitions will be turned on;

 There are independent volume control and master volume control for sound source input;

 The display of output power level indicator lamps (5 LED lamps) on the front panel;

 With sound source U-disk and bluetooth player, play songs in various document formats such as MP3, WMA,

WAV and ACC;

 Telephone TEL input on rear panel with controllable call volume;

 Four internet ports on the real panel connected to CM12 pager controlled microphone to control the partition

output on a remote basis;

 Built-in 24V DC power input;

 Four channels of microphone, MIC1-4 built-in phantom power, controllable switch independently;

 Fan on the rear panel in the structure of forced heat dissipation, enabling the service of machine for a long

term;

 Output short-circuit protection and giving alarm;

 Priority level function (Default):

Level 1: Telephone (TEL), remote pager;

Level 2: Microphone 1, alarm (SIREN), EMC, bell;

Level 3: Microphone 2, microphone 3, microphone 4, line 1, line 2, MP3 player.

*LY* All in one Mixer Amplifiers

II. Description of Appearance

2.1 Description of Front Panel

ALL IN ONE MIXER AMPLIFER PM812

DISTRIBUTOR

VOLUME

BASS TREBLE

POWER

CH1 CH2

CH3 CH4 CH5 CH6 ALL CALL

MIC1

VOLUME

BASS TREBLE

MIC2

VOLUME

BASS TREBLE

MIC3

VOLUME

BASS TREBLE

MIC4

MIC LEVEL

VOLUME

BASS TREBLE

AUX1

VOLUME

BASS TREBLE

AUX2

AUX LEVEL

VOLUME

CHIME

VOLUME

SIREN MASTER

MP3

B L U E

USB MP3

VOLUME

MODE

MP3/BLUETOOTH

OUTPUT

VOLUME

OFF

OFF OFF OFF OFF OFF

1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 20 21 22 23

1 Partition CH1 volume adjustment knob

Adjust the volume of the partition CH1, and that

of CH2, CH3, CH4, CH5, CH6 and so on.

2 Partition CH1 switching key

Press this key to turn on the partition CH1, and

then partition CH2, CH3, CH4, CH5, CH6, and

so on.

3 Partition CH1 turn-indicator lamp

When partition CH1 is turned on, this indicator

lamp is alight, and that of CH2, CH3, CH4, CH5,

CH6 and so on.

4 All partitions control key

Press this key to turn on all the partitions.

5 All partitions indicator lamp

Press key 4 to turn on the paging for all the

partitions, and this indicator lamp is alight.

6 Output level indicator lamp

Display the output level.

7 MP3/bluetooth player control key:

: MP3 and AUX switching key

: Previous song key;

: Next song key;

: Play/pause key;

8 Digital display screen (8888)

9 USB port

Support 32GU disk.

10 MP3 volume adjustment knob

Adjust the volume of MP3.

11 Microphone MIC1 bass adjustment knob

BASS

Taking central position as benchmark, turn

counterclockwise to attenuate the base, and turn

clockwise to enhance the base, and then MIC2,

MIC3, MIC4 and soon.

12 Microphone MIC1 volume adjustment knob

Adjust the volume of microphone MC1, then that

of MIC2, MIC3, MIC4 and so on.

13 Microphone MIC1 treble adjustment knob

TREBLE

Taking central position as benchmark, turn

counterclockwise to attenuate the treble, and turn

clockwise to enhance the treble, and then MIC2,

MIC3, MIC4 and so on.

*LY* All in one Mixer Amplifiers

14 Auxiliary input AUX1 bass adjustment knob

BASS

Taking central position as benchmark, turn

counterclockwise to attenuate the base, and turn

clockwise to enhance the base, and so on.

15 Auxiliary input AUX1 volume adjustment

knob

Adjust the volume of auxiliary input AUXI, and

that of AUX2, and so on.

16 Auxiliary input AUX1 treble adjustment knob

TREBLE

Taking central position as benchmark, turn

counterclockwise to attenuate the treble, and turn

clockwise to enhance the treble, and that of

AUX2 and so on.

17 Bell volume adjustment knob

Press the key 18 to turn on the bell, and turn this

knob to adjust the output volume of the bell.

18 Channel bell switching key

Press this key to turn on the bell.

19 Siren volume adjustment knob

Adjust the volume of siren.

20 Siren on-off button

21 Master volume adjustment knob

Adjust the level of all the signals.

22 Power switch

23 Power indicator lamp

*LY* All in one Mixer Amplifiers

2.2 Description of rear panel

~220V/50Hz/6A

F6AL

F4AL

PM835PM812

FB-AC

PM825

F8AL

FB-DC F15AL F25AL F30AL

FUSE TYPE

DC POWER INPUT

GND.+24VDC

MICRO 4MICRO 3MICRO 2MICRO 1

GAIN GAIN GAIN GAIN

PHANTOM MIC

OUT AUX2

PHANTOM MIC PHANTOM MIC PHANTOM MIC

AUX1

TEL

MIN MAX

EMC

FB-AC

FB-DC

4-16? 22V 32V 38V

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

100V

COM

100V

ZONE2ZONE1 ZONE4ZONE3

ZONE OUTPUTS 100V

ZONE6ZONE5

COM

100V

COM

100V

COM

100V

COM

100V

COM

CALL STATION

2 4

COM

100V

70V

CHIME

ACTIVE

CHIME

SPEAKER OUTPUTS

Nur Sicherung 250V

Use Only With A 250V Fuse

Employer Unlquement Avec

Fusible De 250V

FUSE

PUSH PUSH PUSH PUSH

5678

9 10 11 12 13 14 15 1716 18

1 Power line socket

Connect ~220V/50Hz power supply.

2 Grounding terminal

3 Fuse holder

4 24V connection terminal

5 Output terminal (ZONE1-6):

The partitions may be connected to loudspeaker

lines at will.

6 Output terminal

Connect 4-16Ω or 70V/100V loudspeaker

output.

7 Bell triggering terminal

8 Remote paging control interface

Connect CM12 pager control microphone to

control the partition output on a remote basis.

9 Telephone input terminal (TEL IN)

It is used for remote telephone paging.

10 Telephone volume control knob

Adjust the volume of telephone input with the

screwdriver.

11 Auxiliary output socket (To connect another

power amplifier)

0dB, 600Ω, unbalanced output type, output of

all the input signals.

12 Auxiliary input socket (AUX1)

Connect CD or other sound sources.

13 Auxiliary input socket (AUX2)

Connect CD or other sound sources.

14 Emergency input socket (EMC)

Used for input of fire signal.

15 MIC1 gain adjustment control knob

In order to prevent sever clipping of balanced

phantom input, reduce gain properly, and then

for MIC2, MIC3, MIC4 and so on.

16 +48V phantom power control switch

Control MIC1, MIC2, MIC3, MIC4 separately.

17 Microphone MIC1 input socket

And for MIC2, MIC3, MIC4 and so on.

18 Cooling fan outlet

*LY* All in one Mixer Amplifiers

III. Instruction to Connection

Note: Please refer to the connection mode of CM12 for the connection between PM812 and CM12. Please see the

operation instruction to CM12.

*LY* All in one Mixer Amplifiers

Precautions for safety in use

1. Precautions for safety in use

 Before connecting the system line properly, do not insert the power plug of this equipment into the grid.

 Ensure the voltage input to the equipment shall be fully consistent with the voltage of this equipment to

prevent the risk in the burning of the equipment.

 There is the hazardous voltage in the machine, which is sufficient to cause the electric shock to the person.

Please do not open the machine housing without authorization to prevent the hazard of electric shock.

 In the event that the power supply to this equipment is turned off, the machine is not fully disconnected with

the power supply of the grid. For the purpose of safety, please pull the power plug out of the socket when the

equipment is not in service.

 Please do not put the equipment in the extremely cold or hot place.

 Ensure the good ventilation in the working environment of the equipment, to prevent the damage to the

equipment due to the heating in working and excessively high temperature.

 In the rainy and humid days or if the machine is not in service for a long term, please pull out the power plug.

 Before removing or reassembling any part of the equipment, disconnecting or reconnecting any electrical

plug or other connections of the equipment, be sure to pull out the power plug to ensure the full

disconnection of the equipment with the grid.

 In case of any fault in the equipment, the non-professional person shall not disassemble the housing for repair

without the approval, in order to prevent accident or aggravate the damage to the equipment.

 Do not put any corrosive chemicals nearby or on the equipment.

2. Precautions for after-sales service

 In case of the installation and operation according to this instruction, the company will provide the free

warranty service (Including replacement of parts free of charge) for any problem in the normal operation for

three years since the date of purchase.

 In case of the warranty, the user shall show the user’s voucher of warranty card and the invoice as the

certificate.

 In any of the following cases, the free warranty shall not be applicable:

1. The damage to the product due to the incorrect installation, use or handling;

2. The damage to the product due to the abnormal conditions (e.g. excessively high power voltage or ambient

humidity);

3. The damage to the product due to natural and man-made disaster and other accidents;

4. The number on the product body is changed, altered or removed;

5. The product has been repaired or refitted by the person other than those authorized by the company;

 Please keep the operation instruction and warranty card properly.

 For the issue or matter not covered herein, please contact the distributor or visit http://www.lyintlcorp.com.

 In case of any fault occurred during the period of warranty, please contact the service personnel of our

company (or distributor); our company will not take responsibility for the damage due to the unauthorized

disassembly or the repair by the person other than the technicians of our company.

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