The correct angle for the cutting attachment is parallel to the ground.This string trimmer allows you to rest the bump knob on the ground...
How to safely use the EGO Power+ leaf blower The operating manual can be downloaded here
Adjusting the air velocity (air power) on your EGO blower is easy. See the below video called "How to adjust air velocity"
Starting the EGO Power+ Leaf Blower is easy. See the below video called "How to start and stop the EGO blower"
Here is a video that demonstrates how to attach the blower tube to the EGO Power+ Leaf Blower.
To install the battery into the EGO Power+ leaf blower, see this how to video.
If your blower isn't working, check the following things; Is the battery pack fully attached to the blower? Is the battery packed charged...