Loosen the depth adjustment knob on your circular saw. You should now be able to place the shoe flat on your sled by lifting up the body of the saw so the blade clears the wood. Start the saw, then slowly lower the saw all the way, then move forward until the end of the cut.MA043HA wrote: Is there some way in which the circular saw does a plunge into the wood?
Another way without loosening the depth adjustment is shown in this youtube video I found:
Either way you will probably have to hold up the blade guard with your hand.