953.404UK User Manual
Introduction
Thank you for choosing the Adastra A4 rackmount quad amplifier to power your public address system. This amplifier is
designed to offer high quality, dependable service for mobile and installed systems. Please read this manual fully and
follow the instructions to achieve the best results with your new purchase and to 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.
Terminals marked with the symbol are HAZARDOUS LIVE and should only be connected by qualified personnel
15.
Ensure that the apparatus is connected to a mains socket with a protective EARTH connection
16.
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
•
It is recommended to use speaker wire with a minimum current rating of 6A per output.
•
Do not allow any foreign objects to enter the case or through the ventilation grilles
Placement
•
Keep out of direct sunlight and away from heat sources
•
Keep away from damp or dusty environments
•
For rack-mounting, use the rack ears provided and ensure adequate support for the weight of the amplifier
•
Ensure adequate air-flow and do not cover cooling vents
•
Ensure adequate access to controls and connections
Cleaning
•
Use a soft cloth with a neutral detergent to clean the casing as required
•
Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups
•
Do not use strong solvents for cleaning the unit
