Chronographs

[dmw6455]

I have a CED M2 Chronograph with both the regular screens and ir screens. At my range there is a roof that extends beyond the bench, so when I go to shoot in the morning with my Mac1 I use ir screens. Having trouble getting continuous reads without error messages. There is no sun hitting the screens and I have tried it at different distances-2 ft to 6 ft. I try to set it up so that pellet travels just above the bottom sensor. The error message I get the most is that the starting sensor failed to read. Power supply is good, both green lights are lit on the screens. It has been a few years since I last used it and don't remember having trouble back then, but also don't remember the distance I set up the chrono from the front of the barrel. The CED people say it should be out around 10-11 ft when using the ir and to make sure no sun is hitting the screens. Any suggestions for the best way to set up the chrono when shooting .177 pellets?

 

[DanB]

Be sure there are no fluorescent light sources. The flicker can affect chronograph readings.
Dan

I have a CED M2 Chronograph with both the regular screens and ir screens. At my range there is a roof that extends beyond the bench, so when I go to shoot in the morning with my Mac1 I use ir screens. Having trouble getting continuous reads without error messages. There is no sun hitting the screens and I have tried it at different distances-2 ft to 6 ft. I try to set it up so that pellet travels just above the bottom sensor. The error message I get the most is that the starting sensor failed to read. Power supply is good, both green lights are lit on the screens. It has been a few years since I last used it and don't remember having trouble back then, but also don't remember the distance I set up the chrono from the front of the barrel. The CED people say it should be out around 10-11 ft when using the ir and to make sure no sun is hitting the screens. Any suggestions for the best way to set up the chrono when shooting .177 pellets?

 

[Jonnyh]

I have had similar with infra red used outdoors, turns out not firing down the length and too low over sensors muzzle about 6" back.
Outdoors no infra red all I get is errors.