1. Identify the hole on top of the pulse ox. Separate the rear section of the strap from the front.
2. Squeeze the end of the cord together and insert it in the hole on top of the pulse ox.
3. Push the cord through the hole on the pulse ox.
4. Pull the cord all the way through the hole until it stops.
5. Loop the cord over the end of the strap quick release connector.
6. Pull the strap up by the quick release connector.
7. Pull the cord tight and install the front of the wrist strap.