First, which I meant to mention some while ago - is that if gun is laid down in some ways - pressure pad can be activated.
I refer to the grips such as I have on SIG's - one pad each side. On the 226, being the carry piece I leave master switch always on but had noticed that when placed on the floor at night, it could switch laser on. I now rest it such that base of grip is resting on flashlight and so totally clear of any pressure.
The first time this happened I had not noticed when I placed 220 on a hard surface and next day battery was well down - weight is obviously enough to enable this to occur. Now the unused-for-carry SIG's have master sw left off.
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The second and totally different observation was with regard to the laser's apparent usefulness in dissuading a less than friendly dog from approaching. A house several hundred yards away has a big Lab mix which is now and again out and about. I am convinced the animal is bi-polar :wink: Some days it is wandering out back in corn field and sedate and quiet.
Now and again tho it walks the same area but stops and barks at any sound or movement - a slightly aggressive behavior added to which it tends to advance rather than retreat.
I was attending other day to my burn barrel late in the day, which is close to the field and along comes the dog, looking less than happy. Now while I doubt this is an animal likely to attack I was not comfortable at all plus, being on my own property. I drew the SIG and aimed the laser at it to assess any effect (approx 20 yards away), being quite prepared to retreat if it seemed to provoke. It did not and had the effect I had hoped for - the dog backed off. It stopped and again kept barking - I repeated the laser (say, 40 yards) and it backed away again. Finally it gave up and went home after about four repeats and progressive retreats.
Maybe some might think this unwise, even contraversial, but I did not like the animal being close and potentially advancing - I was on my property and did not feel I had to retreat from choice. I was not wanting to provoke but the excercise did suggest that a laser might dissuade a dog from further approach - it certainly worked well in this case.