Peterson StroboPlus HD Owners Manual - Manual (Page 8)

User Interface
How to Turn StroboPlus™ On
Press and hold the power button until your StroboPlus powers on. If the battery is drained, StroboPlus will require
a few minutes of charge time before it can be powered on.
How to Turn StroboPlus Off
Press and hold the power button for two seconds.
Mode Select
The mode button selects which mode the StroboPlus™ operates in. Three modes are possible: Strobe Tuner,
Audio Tuner, or Metronome (if upgraded). The metronome operation is covered in its own instruction manual
which is provided as an electronic download with the purchase of the upgrade. This manual covers the tuner
functions only.