The remote is designed to connect to both iOS and Android devices.
Do not use magnifying glasses, binoculars, or optical telescopes to view the laser path, as this concentrates the optical energy and can damage eye tissue.
How to Toggle: Press the dedicated reference change button. The on-screen icon will instantly switch between a bracket indicator at the top or bottom of the device graphic. 3. Switching Measurement Units foneso f100 user manual work
| Problem | Possible Cause | Solution (From User Manual Logic) | | :--- | :--- | :--- | | | Dead batteries or incorrect polarity. | Replace the 2x AAA batteries or re-insert them with correct (+/-) orientation. | | "Err" or Error code appears | Laser signal is too weak or surface is too reflective. | Measure a different target that is less reflective (e.g., use a white piece of cardboard as a target). Ensure the distance is within the 0.03m - 100m range. | | Display is dim or unreadable | Low battery or backlight disabled. | Replace batteries or check if the backlight button was pressed to toggle lighting. | | Screen displays "BLUE" | This is not an error. The device is stating it has a blue backlight. || | Measurements seem inaccurate | Incorrect reference setting selected. | Check the icon on screen. If measuring from the back of the device, ensure "C" (Rear) is selected. If using a tripod, select "B". |
Press once to turn the device on or to activate the laser. Press again to take a measurement. The remote is designed to connect to both
This article consolidates official instructions, user forums insights, and technical workarounds. By the end, you will be able to set up, navigate, troubleshoot, and optimize your Foneso F100 without frustration.
The F100 includes several advanced modes to simplify complex measurement tasks. Core Measurement Modes The on-screen icon will instantly switch between a
The LED light on the remote will stop flashing once connected.