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iPhone User Guide - Support - Apple

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On the level<br />

On an edge ...<br />

... or lying flat<br />

Deviation<br />

from level<br />

Level!<br />

Deviation from<br />

chosen slope<br />

Show the level. Swipe left on the Compass screen.<br />

Hang it straight. Hold <strong>iPhone</strong> against a picture frame or other object, then rotate them until you<br />

see green. For true level, the deviation is displayed on a black background. If the background is<br />

red (indicating relative slope), tap the screen to change it to black.<br />

Level the table. Lay <strong>iPhone</strong> flat on the table.<br />

Match that slope. Hold <strong>iPhone</strong> against the surface you want to match, then tap the screen to<br />

capture the slope. The slope you seek is shown in black, with deviation shown in red. Tap again<br />

to return to standard level.<br />

Chapter 25 Compass 108

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