Guides · Room requirements by launch monitor
How Do You Set Up a Garmin Approach R10 Indoors So It Reads Shots Reliably?
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Put the Approach R10 on its supplied tripod 6 to 8 feet behind the ball, with at least 8 feet between the ball and the net or impact screen, and align its red line through the ball toward the target. Garmin gives a minimum indoor space of 15 feet long, 8 feet wide, and 8 feet high, but those dimensions don't guarantee clearance for your swing. When shots misread, check alignment, the R10's height, and radar interference in the room before anything else.
Room on both sides of the ball
The R10 needs space behind the ball and in front of it: 6 to 8 feet from the unit to the tee position, and at least 8 feet from the ball to the screen or net. These distances appear in Garmin's shot-preparation instructions. If the only way the room works is by cutting one of those short, it's the wrong room for an R10.
Garmin's placement guidance gives the 15-by-8-by-8-foot indoor minimum. Allow the screen maker's rear clearance as well, and check your backswing and follow-through with slow practice swings from the finished mat height. The manual also calls for coverage for high and errant shots and padding on the enclosure frame; don't use room dimensions alone as a safety check.
Once a layout works, note where the unit and the tee go. You shouldn't be measuring the floor again every Saturday morning.
Above the mat
A raised hitting mat changes the geometry. Garmin's manual says that with a golf mat, the bottom edge of the launch monitor should sit above the mat, so don't leave the R10 a few inches down on bare concrete. Keep it attached to its supplied tripod.
A firm, flat riser works if needed. It just can't rock or tilt when people walk past it.
Aim through the ball
The red line on top of the R10 is for aiming through the ball toward the target. Lay a club or a long alignment stick on the floor to check the line.
Garmin notes in its setup instructions that ball and club angles are measured parallel to the target line. A crooked unit can make a straight shot look crooked.
Fans, cars, shiny floors
Garmin's placement page lists AC units, vehicles, refrigerators, fluorescent lights, fans, and heaters as potential sources of interference, and says shiny surfaces such as finished garage floors can affect performance.
You don't have to empty the garage. Look for a pattern instead: if misses start only when the fan is on, or when a car is parked close to the radar lane, change that one thing and hit again before blaming the R10.
Direction comes last
With distance, height, alignment, and interference sorted, Garmin's manual, pages 16–17 has you hit a short, straight shot with a high-loft club such as a sand wedge, compare it with the launch direction in the app, adjust alignment, and repeat until the two match. It also asks you to set the exact launch-monitor-to-tee distance when prompted in a simulator game mode.