Yamaha yamaha digiatal mixing console User Manual

Control Surface & Rear Panel

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CH9–12 ON/OFF switch
Each of these switches turns on or off the +48V 
phantom power feed to four corresponding inputs. 
When the switches are on, +48V phantom power is 
supplied to the INPUT A connectors.

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These balanced TRS phone-type connectors output 
monitoring signals or 2TR IN signals. The nominal 
signal level is +4 dB.
You can select signals using the Monitor Source 
selector.

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These balanced TRS phone-type connectors output 
any Bus signals or channel Direct Out signals. The 
nominal signal level is +4 dB.

• Make sure that this switch is turned off if phan-

tom power is not required.

• Before you turn on phantom power, make sure 

that only devices requiring phantom power (such 
as condenser mics) are connected. Supplying 
phantom power to a device that does not require 
it will cause malfunctions.

• Do not connect or disconnect a device while 

phantom power is on. Doing so will damage the 
device or the console.

• To protect your speakers, make sure that the 

power amps (powered speakers) are off before 
you turn phantom power on or off. We also rec-
ommend that all output level faders be mini-
mized. If you fail to observe these precautions, 
high volume output may occur, possibly damag-
ing your hearing or your equipment.

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1/4" TRS phone plug

Ring 
(cold)

Sleeve (ground)

Tip (hot)

1/4" TRS phone plug

Ring 
(cold)

Sleeve (ground)

Tip (hot)