Alert level |
Range of detected object * |
Distance indicator |
Alarm pattern |
Long proximity ( object detected ) |
43 to 59 in ( 110 to 150 cm ) |
Green |
No warning sound |
|
Medium proximity alert
( approaching the object )
|
28 to 43 in ( 70 to 110 cm ) |
Yellow |
Short beeps |
Short proximity alert ( approaching closer to the object ) |
20 to 28 in ( 50 to 70 cm ) |
Orange |
Rapid short beeps |
Closest proximity alert ( too close to the object ) |
20 in ( 50 cm ) or less |
Red |
Continuous beep |