3-9-2021 Page 4 of 14
V Operation
1. Power on/off
Power on
: Short press the power button to turn on the colorimeter, after that, the indicator light will flash.
Shut down:
Long press the power button to turn off the colorimeter; when the mobile phone is not
connected to Bluetooth, it will automatically turn off without any operation in 3 minutes; when the mobile
phone is connected to Bluetooth and it will automatically turn off without any operation in 30 minutes.
2. Bluetooth connection
Turn on the colorimeter, open the App and first display the LOGO. After the LOGO is displayed for 3s,
enter the "Connect Device" interface and automatically start searching for Bluetooth devices. The
searched devices will be displayed at the bottom of the interface. Click the device that matches the SN of
the colorimeter and wait for the device to connect. After the connection is successful, it will jump to
“Calibration interface".
Precautions:
If there is a Bluetooth connection error or connection failure, you can restart the App and the
colorimeter, or turn off/start Bluetooth in the setting interface and then reconnect.
Click the "Browse" button, you can enter the App to view historical data without connecting to the
colorimeter.
3. Calibration
After the App is connected to the colorimeter, enter the "equipment calibration" interface. The user can
perform the calibration operation or skip the calibration.
Equipment calibration
After closing the bottom cap of the colorimeter, click the "Calibration" button. If the calibration is
successful, the colorimeter will directly enter the measurement interface; if the calibration is
unsuccessful, it will prompt "Calibration failed".
If it prompts that the calibration failed, the possible reasons are as follows:
(1) The bottom cap is not closed properly;
(2) The standard tile on the bottom cap is too dirty and needs to be cleaned;
(3) The attenuation of the light source leads to abnormal use, the colorimeter needs to be returned to
the factory for inspection and repair.
Skip calibration
The colorimeter skips the calibration operation and enters the measurement interface. When the
