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How much room does the Voice Caddie SC4 Pro need indoors?

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The SC4 Pro needs about 5 feet behind the ball and at least 10 feet from the ball to a net, leaving roughly 15 feet from the unit to the target. Add space behind the net or screen and enough clearance for your swing. Those tracking distances alone don't establish a safe room size.

5 feet back, 10 feet forward

The SC4 Pro is a rear-mounted radar unit. It sits behind the golfer on the target line, so room depth is part of its setup. SC4 Pro sensor and placement specifications

Voice Caddie's manual places it 5 feet behind the ball or tee, with possible adjustment for the club being used. The manual specifies at least 10 feet from ball to net; the product FAQ recommends 10 feet to a net or screen. SC4 Pro manual, positioning and FAQ, Indoor setup FAQ

That 5-plus-10-foot sum excludes the monitor's own footprint, clearance at the rear of the room, and the net or screen's required space behind it. Leave that rear impact space according to the containment system's installation instructions.

Base at mat height

Voice Caddie's FAQ asks for the base of the SC4 Pro to be level with the top of the hitting surface. It's easy to get wrong: the golfer stands on a thick mat while the monitor sits on bare concrete several inches lower. Setup height guidance

Raise the unit on a stable platform to match the surface height, then adjust its stand until the angle display shows zero, as the manual directs. Tilting it doesn't correct a height mismatch. Stand-angle instructions

The red mark on top

Align the ball or tee with the red mark on top of the SC4 Pro. Because the unit is portable, it's easy to set it down off line each time you practice. Alignment instructions

In a permanent room, put one small floor mark where the ball goes and another where the monitor goes. Setup gets quicker and more consistent.

A net is enough to start

The SC4 Pro has its own display. You can begin with a mat and safe net, then add a larger virtual display later. Its listing includes a complimentary E6 CONNECT package with five courses and a driving range on iOS or PC; broader course access is a separate software purchase. SC4 Pro display and E6 package

Use regulation golf balls for ball-flight readings. Voice Caddie says the unit isn't designed to assess non-standard balls, including foam practice balls. SC4 Pro ball-type FAQ

Will the swing fit?

The placement numbers say nothing about whether the golfer can swing comfortably.

Stand on the actual mat and make slow practice swings with the longest club in your bag, watching the ceiling and both sides. Keep other people clear and allow margin beyond the checked swing path. In a tight room, the swing can run out of space even when the SC4 Pro's tracking distances fit.

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