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953.053UK User Manual 

Introduction 

 

Thank you for choosing an Adastra DM-8 digital messaging unit for scheduled music, announcements, and alerts in your 
public address system. This unit is designed to provide flexible and hassle-free automation of audio playback, all fully 
programmable by the operator. 

Please read this manual to gain the best results from your product and avoid damage through misuse. 
 

SAFETY SYMBOL AND MESSAGE CONVENTIONS 

 

 

CAUTION 

RISK OF ELECTRIC SHOCK 

DO NOT OPEN 

AVIS 

RISQUE DE CHOC ELECTRIQUE NE 

PAS OUVRIR 

 

 

 

 

 

 

This symbol indicates that dangerous voltage constituting a risk of electric 

shock is present within this unit

 

 

 

 

This symbol indicates that there are important operating and maintenance 

instructions in the literature accompanying this unit.

 

 

 

SAFETY NOTICE 

 

1.

 

Prior to use, read through this manual

 

2.

 

Keep the manual in good condition 

3.

 

Pay attention to safety warnings 

4.

 

Observe all operating requirements 

5.

 

Do not use the device near water or wet areas 

6.

 

For cleaning, only use a lint-free, dry cloth 

7.

 

Install according to the specifications 

8.

 

Place away from heat sources or heating appliances 

9.

 

Use mains lead provided and avoid damage to cable or connectors 

10.

 

Unplug power from mains during stormy weather or if unused for long periods 

11.

 

In case of malfunction, water ingress or other damage, consult qualified service personnel 

12.

 

Do not place in damp areas or near liquids or moisture. Do not spill liquids on the housing 

13.

 

Please pay attention to warning symbols during transit and placement 

14.

 

Ensure that the apparatus is connected to a mains socket with a protective EARTH connection 

15.

 

Ensure correct operation of the mains switch 

 

Warning 

 

To prevent the risk of fire or electric shock, do not expose any components to rain or moisture. 
If liquids are spilled on the casing, stop using immediately, allow unit to dry out and have checked by qualified personnel 
before further use. Avoid impact, extreme pressure or heavy vibration to the case 

No user serviceable parts inside 

 Do not open the case 

 refer all servicing to qualified service personnel. 

 

Safety 

 

 

Check for correct mains voltage and condition of IEC lead before connecting to power outlet 

 

For DC power, use a stable 24Vdc supply connected to the 24Vdc power terminals on the rear panel. 

 

Placement 

 

 

This unit can be used free-standing or fixed into a 19

” rack

 

Ensure adequate support and access to controls and connectors when rack-mounting. 

 
Cleaning 

 

 

Use a soft cloth with a neutral detergent to clean the housing as required. 

 

Do not use strong solvents for cleaning the unit. 

 

Содержание adastra DM-8

Страница 1: ...DM 8 DIGITAL MESSAGING UNIT Item ref 953 053UK User Manual Version 3 0 Caution Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty ...

Страница 2: ...ctors 10 Unplug power from mains during stormy weather or if unused for long periods 11 In case of malfunction water ingress or other damage consult qualified service personnel 12 Do not place in damp areas or near liquids or moisture Do not spill liquids on the housing 13 Please pay attention to warning symbols during transit and placement 14 Ensure that the apparatus is connected to a mains sock...

Страница 3: ... folder called MESSA which itself needs to be in the root folder of the SD card for the DM 8 to recognize them The message schedule must be stored on the SD card as a text file named as schedule txt which can be created using the free DM8_Schedule_Editor exe application This application is downloadable from http www avsl com assets downloads 953053UK_software zip and runs without installation on P...

Страница 4: ...ng in the hour and minutes fields and entering the values directly or select from the drop down arrow to the right of each field Next click on the days of the week that this event will occur on click on ALL to fill in every day quickly if preferred Finally select the message that will be triggered on these days at the selected time from 001 to 099 When the time days and message are set click on OK...

Страница 5: ...browsing to the file The format of the schedule txt document is Time Days Message all separated by commas only an example is shown opposite The Time format is 4 digit 24 hour midnight 00 00 The Days are abbreviated to the first 3 letters Monday Mon The Message is the file name without mp3 message 1 M001 If preferred the schedule file can be written from scratch without the editor software by using...

Страница 6: ...ls are turned down on connected PA equipment and switch on power to the DM 8 11 The display will light to confirm power is on Turn up the OUTPUT 8 and check the MIC LINE input 2 by pressing the PAGE button to on 3 so that the indicator is lit and then speaking into the mic or playing audio whilst turning up the MIC LINE level control 1 NOTE The MIC LINE input has the highest priority and will temp...

Страница 7: ...display and the output indicator 10 will show the level at the output Pressing the PAGE button 3 will stop any message playback this will activate the MIC LINE input pressing again will deactivate it If any message button is pressed whilst a message is already playing it will override the current message The CLOCK SET button 5 is also a REPEAT button Pressing this briefly before or during playback...

Страница 8: ...trols as a precaution Specifications Power supply 100 240Vac 50 60Hz or 24Vdc Fuse T1AL 250V Inputs XLR or terminal bal unbal mic line Audio source Internal SD card player Time setting 99 programmable schedules 24 hour day s setting Outputs Mono balanced terminal or unbalanced RCA Mic Line channel controls Mic Line select Phantom power on off DIP switches Phantom power 20V switchable Input impedan...

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