Ok, that was what I was thinking. From perusing the .pdf I am assuming that I need to install "i2c-tools" as the terminal returns
"sudo: i2cdetect: command not found".
I2C on Pi
- Run sudo raspi-config .
- Use the down arrow to select 9 Advanced Options.
- Arrow down to A7 I2C .
- Select yes when it asks you to enable I2C.
- Also select yes when it tasks about automatically loading the kernel module.
- Use the right arrow to select the <Finish> button.
- Select yes when it asks to reboot.