Certain environments may cause the pairing setup operation to fail part way through.
If you experience such problems with pairing, perform the steps below and then perform the
setup procedure again from the beginning.
1. On your iPhone, select Settings -> Bluetooth. select the devices whose pairing failed
and then select "Cancel device registration".
2. On the watch, hold down the power button for at least two seconds.
3. On the menu that appears on the watch, tap "Cancel and reset the connection".
After finishing the paring setup, go to "Settings Required to Use CASIO Apps".