Playing around with the sensitivity scale on the radar is of no use with a kinetic trigger, the sensitivity is fixed in the switch.
Kinetic triggers are vibration switches, essentially a fixed post around a wobbly coil. When you shake them the coil wobbles and makes contact with the post, so it is ON/OFF only. There are only two active leads from the radar's 3.5mm socket so the radar cannot adjust the sensitivity of the external switch, that relates to the sensitivity of the microphone only.
I imagine sellers of these switches use the SW-180XX series switch, made in China. There are three sensitivities, 18010 light, 18020 medium, and 18030 stiff. They are more sensitive when jerked in one dimension than another. Changing the orientation of the switch on the gun is the only way you can change its sensitivity. It pays to know the orientation of the switch.
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In this switch the fixed post is inline with the shape of the switch. Put the switch at right angles to the barrel and it's easier to trigger; attach it inline with the barrel (like in the photo) and it's harder. Not by much however as the gun jerks up as well as back. Attach it firmly to the gun, especially forward and its easier to trigger. Attach it closer to the shooter and not so firmly to the gun and it's harder to trigger.
With a kinetic switch you no longer have to have the radar forward or even level with the muzzle. You can have it right next to you so you can press the buttons without stretching, breaking your hold, or having to negotiate going forward of the firing line with the Range Safety Officer. No need to rely on the phone app which is almost a gimmick. The app drops out sometimes and you cannot transfer files to other smart devices so unless you are addicted to smart phones...
As vh20 has said, you don't have to press 'Reset' when the radar instructs you to - just keep shooting. I don't know why they programmed that message, a more accurate message would be DID NOT REGISTER A BULLET - KEEP SHOOTING.
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