Page 4: General Precautions The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L. Ensure that these colour codes are followed carefully in the event of the plug being changed. GL User Guide We have tried to keep this user guide brief and to the point.
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Page 4: Introduction This user guide presents a quick reference to the function, application and installation of the GL We recommend that you read this guide fully before operating the console 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.
The GL is developed from the very successful GL console, which included mode switching to quickly convert the console from Front-of-House to On-stage Monitor operation. It produces the DC voltages required by the console. Before switching on your console, check that the ac mains fuse is of the correct type and rating. This is clearly marked on the rear panel of the console. Always turn connected power amplifiers down or off before switching the console on or off.
Where possible use balanced connections to prevent noise and interference pickup especially on long cable runs. Avoid running audio cables next to AC mains, computer or lighting cables, near thyristor dimmer units or power supplies etc.
Reduce the gain if the peak indicators flash red. It is advisable to adjust the power amplifier input gain or fit an attenuator pad if normal console operation results in an output level too high for the connected amplifier.
Page 10 GL Page 11 PEAK can tailor the low frequency response exactly as you require. The centre flat position is detented for quick resetting.
Page 12 3 and right to route to R, 2, 4. In this way subgroups may be set up in mono or stereo to feed the main L-R mix. All post-fade aux send levels are dependent on the level of the fader. Page Stereo Input Channel Refer to the internal link options section in this user guide.
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