Controls and display
Indication: sound, vibration, light
The device has built-in sound and vibration sources to acknowledge button presses and to indicate events and alarms. Light indication is provided for remote monitoring.
Sound can accompany:
- Turning the device on and off
- Pressing a button
- Establishing a Bluetooth connection
- Photon registration
- Exceeding alarm thresholds
- Low battery warning
- Response to the “Find the device” request
Vibration can accompany:
- Turning the device on and off
- Pressing a button
- Exceeding alarm thresholds
- Response to the “Find the device” request
Light indication:
- Battery charging — blue, continuous glow
- Photon registration under normal conditions — green, flash
- Photon registration during an alarm — red, flash
- Exceeding an alarm threshold — screen backlight turns on
Signals can be turned on or off by groups:
- All sounds
- Button sound
- Photon registration sound
- All types of vibration
- Light indication
Summary table of events and signals:
| Event / state | Screen | Sound | Vibration | Light |
|---|---|---|---|---|
Turning on | – | + | + | – |
Turning off | – | + | – | – |
Establishing a connection |
| + | – | – |
Loss of connection | – | + | – | – |
Low battery charge |
| + | + | – |
Charging |
| – | – | blue — continuous |
Find the device | – | + | + | – |
Button press | – | + | + | – |
Photon registration | – | + | – | green, red — flashes |
Alarm 1 |
| + | + | screen backlight |
Alarm 2 |
| + | + | screen backlight |
Over-range |
| + | + | screen backlight |
Sound, light and vibration complement the information on the display and provide feedback when buttons are pressed.
Updated: Sep 22, 2026