Yamaha QL1 Music Mixer User Manual


 
Owner’s Manual
6
Connections
Before connecting the device to other devices, turn off the
power for all devices. Before turning the power on or off for all
devices, set all volume levels to minimum.
Maintenance
Remove the power plug from the AC outlet when cleaning the
device.
Handling caution
Do not insert your fingers or hands in any gaps or openings on
the device (vents).
Avoid inserting or dropping foreign objects (paper, plastic,
metal, etc.) into any gaps or openings on the device (vents) If
this happens, turn off the power immediately and unplug the
power cord from the AC outlet. Then have the device inspected
by qualified Yamaha service personnel.
Do not rest your weight on the device or place heavy objects
on it, and avoid use excessive force on the buttons, switches or
connectors.
Do not use headphones for a long period of time at a high or
uncomfortable volume level, since this can cause permanent
hearing loss. If you experience any hearing loss or ringing in
the ears, consult a physician.
Backup battery
Do not replace the backup battery by yourself. Doing so may
cause an explosion and/or damage to the device(s).
If the backup battery power is fully depleted, have qualified
Yamaha service personnel replace the battery.
Yamaha cannot be held responsible for damage caused by
improper use or modifications to the device, or data that is
lost or destroyed.
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