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Power
Plug in the guitar, and the Onboard Aura 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 fl ash once at power-up to tell you the preamp is on.
Low Battery Indicator
When the tuner fl ashes an “L” once every three seconds, you have approximate-
ly 1.5 hours before the battery is exhausted. Change it at the next opportunity.
When the tuner fl ashes an “L” every half a second the battery is practically spent
and should be changed immediately.