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**Dax** · 11-18-2015, 03:09 PM

9 times out of 10 distance issues are found to be that of the user. I'm not saying you are wrong, but this is a complaint that I read a lot about on here. Make sure you are fully warmed up (there is a routine posted on here somewhere for this very reason). Once warmed up then see if you see improvement. It has also been found that the fact you are hitting indoors and not use to be in a confined space could cause the problem (can you go to a range?). The hitting mat has also been found to cause issues for people as has the units alignment and height to where you are hitting.

Lots of things to make sure are right, but look through similar posts here on distance issues for help.

**ks-man** · 11-18-2015, 03:26 PM

I know and that's why I really want to get good data before I fully troubleshoot. I have hit with a GC2 at golftec so am familiar hitting indoors. I even have my club fitting report from there so I'll be able to compare the numbers. I don't know that I can get to the range due to the weather but I should be able to bring my GC2 to golftec and directly compare it to the ones they have. Right now for example my 7 iron is carrying between 115-125 when it typically carries (measured at golftec) about 150. My ceiling is 9.5 feet and there is no concern at all about hitting the ceiling with that club. I'm going to try and get a few friends to swing and give me their impressions. I'm only about a 16-18 handicap so my swing isn't consistent enough that I could just guarantee that the issue is the unit.

I don't want to go too far at this time about the distance issue. I believe I'll be able to work with Foresight if there truly is a problem. Do you have any thoughts on the other two issues I mentioned? Thanks a lot for your thoughts.

**Js1010** · 11-18-2015, 04:49 PM

KS-man - If you want to post your ballspeed, launch , side and backspin along with gc2 carry number and I will compare with Optimal Flight and see. I find GC2 and Optimal Flight Iron carry numbers pretty close and I have done a good bit testing. Low Spin Driver shots (<2000rpm) - GC2 gives higher carry numbers

**mayassa** · 11-19-2015, 03:14 AM

You can try a different firmware version.

**ks-man** · 11-19-2015, 01:08 PM

Thanks for the thoughts everybody. I'm going to take my GC2 to Golftec today which will let me fully see if there is an issue with distances or if it is just me. Does anybody have an opinion on the other two issues and one new issue?

Battery - I only get about 4 to 4.5 hours of usage after a full charge. I typically use it with the backlight on so I'm not sure if the stated battery life assumes no backlight.

Audio - When it calls out the audio it will often muffle a few words

S-Wedge Missed shots - It seems that my GC2 will often miss shots when hitting very high wedges. It mainly happens with a full shot sand wedge when there is significant loft. If I pitch or chip with the sand wedge it is fine. I don't think it has happened with any other regular shot. With a full hit sand wedge (which hits my ceiling before the screen) it will probably drop over 50% of the shots. Often it will just miss it but occasionally if the audio is on it will say "I didn't see the shot" and the readout will be all dashed lines. This is a brand new unit so the flash should be brand new too.

Thanks.

**mthunt** · 11-19-2015, 03:26 PM

The battery is fine. The gc2 only reads up to 70 degrees of launch angle. Mats effect distance greatly on the GC2. A lot of people have that issue initially. Call Foresight on the audio. It has a warranty.

**ks-man** · 11-19-2015, 03:59 PM

Originally posted by mthunt View Post

The battery is fine. The gc2 only reads up to 70 degrees of launch angle. Mats effect distance greatly on the GC2. A lot of people have that issue initially. Call Foresight on the audio. It has a warranty.

Thanks for the response. From some of your earlier posts you seem quite knowledgeable about the GC2. Was going to private message you but thought that others might benefit in the future if they have similar issues.

With respect to the s-wedge, do you know what a normal launch angle is for a full sand wedge? Does it seem possible that certain wedges could exceed 70 degrees?

Mats and distance - Interesting comment about the effect of a mat which I had thought about but haven't fully considered. I'm using the Par2Pro tee-up turf and it is pretty cushiony (not sure if that's a real word). You say that a lot of people have issues with mats "initially". Are you saying that people are swinging differently and eventually overcome this, aren't picking it up as cleanly off the mat or the feel of sinking into the mat while standing on it since there is more give? Assuming my numbers are fine at golftec which I'm going to this afternoon then the issue will certainly have to do with my home setup. There are essentially three things that could be at play:

1) Too confined a space or feeling of being indoor - I don't think it is this b/c with my shorter irons I couldn't hit the ceiling or wall even with the most exaggerated of swings. The thought of hitting something with an 8-iron never even pops into my head
2) Lighting - It is pretty dark in the room b/c we had to remove two can lights by the screen due to the padding on the ceiling. There is some light in the room but overall the room is dim. I tried shining a spotlight in the area of the ball and didn't notice any changes. I was told by my installer that lighting wouldn't affect the readings and hitting with the lights completely off seem to still get a similar reading
3) Mat - Assuming the numbers on my unit are good it would seem that this a likely culprit. I have tried teeing up the ball and don't get much more distance which is what kept me way from thinking it was this but I wonder if it is more about the feeling of standing on the mat just as much (or more) as hitting into it. Not quite sure what the best resolution would be if this is the issue. I'd hate to have to "compensate" by boosting the numbers by 10% as you said could be done in a different thread.

I really appreciate all the help people have been giving. I want to be completely knowledgeable about all the issues and have tried all the basics before going through the troubleshooting with Foresight.

**JohnMeyer** · 11-19-2015, 06:46 PM

70 degree launch angle is pretty extreme, think your talking serious flop shot, I was testing 60W shots on PG range and LA was 43degrees, and they were going pretty damn high

Battery I too would agree sounds OK, admittedly mine is used, but chap who I bought it from said expect 4-5 hours.

Hope between you and foresight you get it sorted.

**JV17** · 11-20-2015, 06:12 AM

Agree wit John on that one. 70 degs seems way off KS. You'd be surprised what smaller indoor space can do to a swing. The mind is a powerful thing... It can make you slow down when you don't think you are. After you warm up, swing for the fences a couple times. See if that takes you there. The mat can also drop numbers. This is still my problem today. I need a new mat. I got over the indoor hurdle. I occassionally regress, but not too much. Same deal as you... Was going to Golftec... No problems there. Got home, hit a wall. Now I'm only off 10 yards or so... It's all the mats fault now. Good luck.

**ks-man** · 11-20-2015, 01:44 PM

So I went to Golftec yesterday afternoon and compared my GC2 to the ones there. Something just feels off with mine and the numbers are suspicious. Even more than what these numbers show is the feeling vs. when I hit a good or bad shot with each one. I did by far the most testing with my 7-iron. When I hit a solid one with both the club would carry about 10-12 yards further with the Golftec GC2. When I hit a bad one the Golftec GC2 would go about 13-15 yards further. I don’t have as much data for poor shots with my GC2 since I didn’t take a picture of the readout as often of the bad ones. If you go to this link of pictures you can see that their GC2 was hooked up to software (I think FSS) but with mine I just took a picture of the GC2 readout.

I’m about an 18 handicap so I don’t hit all my balls cleanly so after I stopped taking pictures of the screen for all my poorer mishits on my GC2. It was a pretty tedious process. With the Golftec screen it was more difficult to filter these out since I would typically take about 3-5 shots before taking a picture of the screen and then clearing out the data. About 6 weeks ago I did a club fitting at Golftec so I included that as well. I ended up purchasing the Callaway XR which is the club I was using for the 7-iron and P-Wedge yesterday.

I don’t consider this data conclusive. It is just more evidence and unfortunately puts my mind more at question if my GC2 has an issue. I will send these numbers to Foresight to get their thoughts but wanted to get people’s thoughts here before I did. Thanks again for all of the help I’ve been getting.

Attached Files

**Dax** · 11-20-2015, 02:04 PM

Are you sure both units were set up similarly? The reason for asking is that some stores set up their units such that shots are boosted so that people feel they are hitting further. If this was not the case, then I also thought that the readings on the the unit itself are set for sea level while the FSX software could have been set for a different elevation. This. This could also be a cause for there being a difference.

If you are confident that everything was equal then I would agree that you might have a defective unit.

**sbark76** · 11-20-2015, 02:43 PM

Originally posted by Dax View Post

Are you sure both units were set up similarly? The reason for asking is that some stores set up their units such that shots are boosted so that people feel they are hitting further. If this was not the case, then I also thought that the readings on the the unit itself are set for sea level while the FSX software could have been set for a different elevation. This. This could also be a cause for there being a difference.

If you are confident that everything was equal then I would agree that you might have a defective unit.

What is the process for "adjusting" the GC2 to match what a person has recorded from outside range session with a rangefinder?...........Is there a pdf manual link that would detail the steps
thanks for any help
***
found manual......but no process for adjustment of speed

http://www.foresightsports.com/sites/default/files/gc2-user-manual-rev2.original.pdf

**Js1010** · 11-20-2015, 02:49 PM

ks-man ,

Your measured numbers are pretty close between the two machines so I don't think there is an issue with your GC2. If there was an issue I would expect something like ballspeed to be a lot lower on your machine but its not. The issue seems to be FSS version Golftec are using and its carry algorithm vs your GC2 firmware version readout. They could also have boost on in FSS. I know some of the older FSS Versions had their own carry algorithm as well. I ran two of your shots through Optimal Flight (a ball carry algorithm program) which I think is very good and got the following. I tried to pick 2 that were close in ballspeed. You can see your GC2 shot matched OF carry number almost exactly. You are swinging similarly at both locations just getting different carry numbers. As others have said, mats can definitely slow down your ball speed if you are catching it a hair fat. Have you tried hitting off a little tee?

	ball speed	Launch	Azimuth	Side Spin	Back Spin	Carry From Your Spreadsheet	Optimal Flight
Your 7i	101	14.1	8.8	214L	5585	133	133.5
GolfTec 7i	101.4	17.6	7	533L	5072	143	138.6

**goatbarn** · 11-20-2015, 03:01 PM

Yeah I see higher launch with lower spin. But same ball speed.

That shot will never go the same as the same ball speed with lower launch and more spin.

Looks like it's a mat thing. Try the tee as suggested before to rule out the mat.

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