Service And Technical Support; Safety Warning - ALLEN & HEATH GL2 User Manual

GL2
INTRODUCTION
The GL2 continues ALLEN & HEATH's commitment to provide high quality audio mixing consoles engineered
to meet the exacting requirements of today's audio business. It brings you the latest in high performance technology
and offers the reassurance of over two decades of console manufacture and customer support.
This user guide presents a quick reference to the function, application and installation of the GL2. For further
information on the basic principles of audio system engineering please refer to one of the specialist publications
available from bookshops and audio equipment dealers.
Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies. We
also reserve the right to make changes in the interest of further product development.

SERVICE AND TECHNICAL SUPPORT

Under normal conditions the GL2 does not require user maintenance or internal calibration. Any service work
required should be carried out by qualified service personnel only.
We are able to offer further product support through our worldwide network of approved dealers and service agents.
To help us provide the most efficient service please would you keep a record of the console serial number, and date
and place of purchase to be quoted in any communication regarding this product.
Mains electricity is dangerous and can kill. Mains voltage is present within the console power
unit. Do not remove the internal power unit or rear cover with mains connected. Check your
mains wiring and earthing before switching on.
DO NOT REMOVE THE MAINS EARTH CONNECTION!
The console chassis is always connected to mains earth to ensure your safety. Audio 0V is
connected to mains earth within the power unit. Operating the ground lift switch on the rear
panel of the unit will separate audio 0V from mains earth. This switch can be used to avoid
problems with ground loops.
PRECAUTIONS.
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AC POWER:
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CONNECTIONS: Use audio connectors and cables only for their intended purpose. Do not connect any
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CLEANING:
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LUBRICATION:
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DIRT, DUST, SMOKE and MOISTURE:
copyright © 1993 ALLEN & HEATH Ltd. All rights reserved

SAFETY WARNING !

Check the power supply label for the correct AC mains voltage setting. Allow adequate
space behind the console for ventilation.
source of AC or DC power to the console audio connectors. Do not connect the output
of power amplifiers directly to the console.
Avoid the use of chemicals, abrasives and solvents. The control panel is best cleaned
with a soft brush and lint-free cloth. To remove stubborn marks (such as chinagraph
pencil) isopropyl alcohol may be used.
The faders, switches and potentiometers are lubricated for life. The use of electrical
lubricants on these parts is not recommended.
potentiometers, and cosmetics by avoiding drinks spill age, tobacco ash and smoke, and
exposure to rain and condensation. Protect from excessive dirt, dust, heat and
vibration.
Prevent damage to the moving parts, such as faders and
Publication ...................... AP0177 Issue 1