Circuitmess Wacky Robot Hertz Instructions Manual page 24

And just in case your LED doesn't light up, no worries! Just take
it out and flip it around – that usually does the trick.
1. On/Off Switch
2. Pushbuttons for choosing a note
3. Pushbutton for releasing a sound
2
1
To create some cool
sounds, press both
pushbuttons 2 and
3 simultaneously.
You'll be amazed at
what Hertz can do!
3