Power
Plug in the guitar, and the Aura Pro switches on. To conserve the battery, remove the instrument cable from the guitar when the system is not in use. The LEDs in the tuner display flash once at
Low Battery Indicator
When the “Battery” LED flashes once every three seconds, you have approxi- mately 1.5 hours before the battery is exhausted. Change it at the next opportu- nity. When the “Battery” LED flashes every half a second, the battery is practically spent and should be changed immediately.
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