Yamaha 12/4 Owner's Manual page 3

Connector pin assignments
XLR-type connectors are wired as follows: pin 1: ground, pin 2:
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hot (+), and pin 3: cold (–).
Insert TRS phone jacks are wired as follows: sleeve: ground, tip:
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send, and ring: return.
Replacing abrasive parts
The performance of components with moving contacts, such
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switches, rotary controls, faders, and connectors, deteriorates
over time. The rate of deterioration depends on the operating
environment and is unavoidable. Consult your dealer about
replacing defective components.
Always turn the power off when the mixer is not in use.
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Even when the power switch is in the "STANDBY" position, electricity is still flowing to the mixer at the minimum level. When you are
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not using the mixer for a long time, make sure you unplug the AC power adaptor from the wall AC outlet.
Copying of the commercially available music data and/or digital audio files is strictly prohibited except for your personal use.
Illustration examples shown herein are for explanatory purposes only, and may not match actual appearance during operation.
The company names and product names in this Owner's Manual are the trademarks or registered trademarks of their respective companies.
IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured makings identifying the terminals in your
plug proceed as follows:
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth terminal of the three pin plug.
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (2 wires)
—For correct operation —
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
Influence on cell phone usage
Using a cell phone (mobile telephone) near this unit may induce
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noise. If noise occurs, use the telephone away from the unit.
Precautions
MG16/4, MG12/4
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