User's Manual

Metaflow, Ltd.
3. Getting Started
3.1. General Functions
The lumen device has a single On/Off button, and illuminated light ring.
The device’s SW can be upgraded remotely, pending on user acceptance. The
App will guide the user with the process.
3.2. Lights Status
Table 1: Light Legend
Status
Constant or
Blinking
Color code
Notes
White
Constant
Device is On
Short press: Device ON.
(Shuts off automatically after
15secs)
Purple
Blinking
Charging
Slowly blinking
Red
Constant
Battery
needs
charging
Green
Constant
Battery
charged
Fully charged battery
Purple
Constant
Connected
via BLE
Broadcasting established
with a smartphone
Blue
Constant
DFU mode
Device is ready to have a
SW update
Red
Constant
DFU in
process
SW upgrade in Process
Draft
File: Lumen V2 User Manual Document
Page 3 Of 9
Metaflow Ltd.
6 David Elazar St., Tel-Aviv, IL
MF-02-UM-01
Rev: 02