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1.   Never place this product in an 

environment that could affect its 

performance or reduce its service life.

2.   Ensure that desktop models are placed 

on a stable surface that have adequate 

support for the weight of the amplifier.

3.   Avoid impact, extreme pressure or heavy 

vibration to the case.

4.   The rackmount models are designed to 

fit standard 19” rackmount, and should 

be fitted according to the specifications 

of the cabinet/case.

5.   Keep away from damp or dusty 

environments. Do not use this product 

near water or in wet areas.

6.   Ensure adequate air-flow and do not 

cover the cooling vents at the front 

or rear of the amplifier, use a vacuum 

cleaner to clear ventilation grilles of any 

dust or debris build-ups

7.   Do not install on its side or upside-down.
8.   Keep out of direct sunlight and away 

from heat sources.

9.   Ensure adequate access to controls and 

connections 

10.   Use mains lead provided. Check for 

correct mains voltage and condition of 

IEC lead before connecting to power 

outlet

11.   Unplug the amplifier during lightning 

storms or when unused for long periods 

of time.

12.   Refer all servicing to qualified service 

personnel. Servicing is required when 

the amplifier or mains cable has been 

damaged in any way.

13.   Never switch on if liquid or objects have 

fallen into the amplifier, or if the amplifier 

has been exposed to rain or moisture. 

If the amplifier has been dropped, do 

not switch on, but instead contact your 

supplier. Plug this amplifier into a proper 

wall socket, do not modify the plug and 

make the plug available for disconnection 

should the need arise. 

14.   Use double insulated speaker wire with 

adequate current rating for 100V speaker 

connections 

15.  Onlyuseonetypeofoutput–i.e.Ωor

100V – do not mix or combine these 

outputs on a single zone or output 

16.  DonotconnectanyΩspeakerstothe

100V terminal or 100V speakers to the 

8Ωterminal

17.   Use a soft cloth with a neutral detergent 

to clean the casing as required. Do not 

use strong solvents for cleaning the unit.

18.   

DANGER: Terminals marked with 

the hazard symbol are LIVE and to 

avoid injury should only be connected by 

qualified personnel 

19.   

DANGER: Any appliance with an 

earth terminal should be connected 

to a mains outlet with a protective earth 

connection

20.   

CAUTION: Do not remove the 

unit’s cover as this will void the 

warranty. There are no user serviceable 

parts inside – refer all servicing to 

qualified personnel.

Safety Warnings

Содержание Alert 120

Страница 1: ...Alert Amplifier Manual www magna av com...

Страница 2: ...s we strongly recommend you retain this manual and the original packaging In the unlikely event the product must be returned for servicing the original packaging or reasonable equivalent is required C...

Страница 3: ...ified service personnel Servicing is required when the amplifier or mains cable has been damaged in any way 13 Never switch on if liquid or objects have fallen into the amplifier or if the amplifier h...

Страница 4: ...Protection LED 4 Clip LED 5 DB Output level LED 6 Power Switch 7 Mic 1 Volume 8 Mic 2 Line 1 Volume 9 Mic 3 Line 2 Volume 10 Line 3 Volume 11 Line 4 Volume 12 Alert Message Volume 13 Bass 14 Treble 1...

Страница 5: ...Alert Input Contacts 13 Mic 2 Line 1 Input 14 Mic 3 Line 2 Input 15 Dipswitch selector 16 Mic 1 XLR combo jack 17 Line 3 Input 18 Line 4 Input 19 Line Output for slave amplifier Dipswitch Settings 1 M...

Страница 6: ...Rackmount Version...

Страница 7: ......

Страница 8: ...put contacts for example door contact timer unit or push button The amplifier is designed with automatic overload protection short circuit and high temperature shut off to avoid any damage to the inte...

Страница 9: ...s transformer may be tapped for different power ratings These tapping s can be used to adjust the wattage and output volume of each speaker in the system to help achieve A 100V line speaker system can...

Страница 10: ...ng Diagram COM 4 8 16 70V 100V 100V 100V COM 4 8 16 70V 100V 8 8 COM 4 8 16 70V 100V 16 16 COM 4 8 16 70V 100V 32 32 Total impedance of 100V Total impedance of 4 Total impedance of 8 Total impedance o...

Страница 11: ...ypical 100V Public Address Diagram Connected to mains 240VAC Battery Alarm Trigger Audio source player DAB radio Extension amplifier Speakers Omni directional aerial Tabletop mic Wireless mic Wired mi...

Страница 12: ...g noise If VOX is enabled by setting the priority DIP switch to Mic 1 audio playback will be reduced in volume automatically when speaking into Mic1 Use the volume to control primary sound level In ad...

Страница 13: ...guration to the amplifiers internal memory To record a message please make sure your file is in an MP3 format Connect the amplifier to the USB port of your computer with the amplifier switched off You...

Страница 14: ...Line output by RCA Volume Control Microphone 1 3 Line 1 4 MP3 FM Via Remote Bass Treble and Master Line Out 0 775V 0dbV Frequency Response 60Hz 15Khz 3dB S N Ratio Line 85dB Mic 72dB THD Less Than 0 5...

Страница 15: ...equipment to an outlet on a different circuit to the amplifier The European Union has enacted a Directive 2012 19 EU on Waste Electrical and Electronic Equipment WEEE Directive This directive is appli...

Страница 16: ...www magna av com...

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