Product Manual

4
TWTG R&D B.V. 2019 V1.5
User Interface
The device has one LED in the upper right corner to communicate with the user. To interact with the device a
magnet switch is present inside the product. To use this switch the user must be in possession of a Magnet Key
which should be placed as instructed below. The Magnet Key can be held in position for different actions in the
process.
Magnet Key
The Magnet Key is a magnet that can be used to:
1. Request the status of the device
2. Calibrate or reset the calibration of the device
Magnet Key Location:
LEDs
The device has a multicoloured LED and each colour and pattern has a different meaning.
Always (on request):
● Red → uncalibrated
● Green → calibrated
User action required
Uncalibrated
Measuring / wait...
Calibrated
Valve open Valve shut
Shut valve
User action required
Connecting / wait...
User action required
Uncalibrated
Measuring / wait...
Calibrated
Valve open Valve shut
Shut valve
User action required
Connecting / wait...
Fig. 3: Magnet Key location
Fig. 4: Uncalibrated Fig. 5: Calibrated
Align indicators
Position on edge