If you are trying to enable wireless and you can't see the "Turn Wireless ON" option you probably need to upgrade the firmware on the PM5 performance monitor.
First confirm that your rowing machine has PM5 written in the top right corner, if it doesn't then you can't run asensei and you will need to upgrade your hardware.
Secondly check that you have tried the correct menu options. On the PM5, from the home screen press "Menu", then press "More Options", the screen that appears should look like the following:
If the "Turn Wireless on" option is missing then you need to update the firmware.
If the Concept 2 Rowing Machine is in a gym, you should contact them and ask them to do the firmware upgrade. If it is your home machine you can follow the instructions below:
If there is a problem upgrading then please let us know via firstname.lastname@example.org and we will try our best to help.