digsumthng...there are many different methods used..this is how I do it using my Excal,it may or may not work for you,but should give you an idea which you may modify to suit your needs...With a dd coil, I use the heel of the coil to locate the target by wiggling the coil forward until I lose the signal and then wiggling the coil back towards me until the signal is heard again....at this point I hold the coil against the sand,I bring my right foot so that it touches the back of the coil,move the coil and with my left hand bring my scoop to the toe of my right foot,once the scoop is in place....I use my left hand on the handle and my right foot to push the scoop in....I slide my left hand down the handle some,use my left leg as a lever and lift the scoop out to the left,put my right foot in the hole to keep my place,with my right hand still on the shaft, I run the coil over the hole to see if I got the target....if so, I release the shaft and coil and use both hands to retrieve the target from the scoop. The shaft is tethered to me to prevent cable damage. Many people use the side of their foot as a marker for the scoop,also push their scoop with their left foot instead of their right.
I hope I haven't totally confused you with this explanation....it's much easier to show you than to tell you..I'm sure others will do a better job when they post.....good luck...rdi