The power button has five solder legs. Looking at the back of the button, turn it so that the legs
are toward the bottom, forming a "smile" arrangement. Then use the following guide to solder
the wires to the legs shown. Note that the second leg is not connected, and the fourth leg is
joined to both the orange and red wires.
Locate the top piece to the acrylic case (it has a large rectangular cutout for the thermal printer,
and a smaller circular cutout for the power button). Feed the ribbon cable through the round
hole, then secure the power button with the included nut. (This acrylic piece is symmetrical —
there is no "top" or "bottom," so you can insert the button through either side.)
The wires of the ribbon cable can now be separated — but leave about 2 inches (toward the
power button) intact for sturdiness. Peel apart the remaining length of the green, yellow and
