Understand the Reference Point (Left / Right)
LX1 records measurements from one active point of the device — either the top-left or top-right outer point.
This active side is called the Reference Point.
The reference point defines the exact position recorded each time the device confirms a pause point. It ensures the floor plan geometry aligns correctly with the physical surfaces you measure.
By default, the left reference point is active when you turn on the device.
When LX1 captures a point, the measurement is anchored from the active reference point, not the centre of the device.
This ensures features such as doors, windows, wardrobes/closets and stairs are positioned accurately within the floor plan.
The reference point applies whenever LX1 records a pause point during measurement.
In most room measurements, the reference point can remain the same throughout the process.
The reference point becomes important when capturing features where both sides must be recorded, such as doors, windows, or stair openings.
You may switch the reference point when capturing opposite sides of a feature.
Examples include:
Doors – capturing the right side of the door frame and then switching the reference point while moving to capture the left side
Windows – capturing each side of the window reveal
Stair openings – capturing the edges of the stair opening or stair boundary
Wardrobes/Closets – capture each side of the wardrobe opening
During normal wall measurement, the reference point usually does not need to be changed.
For example:
Measuring along walls
Moving between wall planes
Capturing standard wall positions
In these situations, the same reference point can remain active throughout the room.
By default, the left reference point is active when facing the buttons and LED.
To switch the reference point:
Press the ↔ arrow button (top button)
The LED indicator above the button shows which point is active
Switching the reference point is instant and can be done at any time during measurement.
Before capturing features or returning to a known reference point, briefly check which reference point is active.
Using the same point consistently helps maintain clean alignment throughout the floor plan.
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