Status Bar
The status bar at the bottom of the display shows current operating statuses 
via icons, including:
Color Mode (shown only when the Black Hot color mode is selected)
Amplification level
Smoothing Filter (displayed when the function is on)
Calibration Mode (in Automatic calibration mode a countdown timer
 will appear instead of the calibration mode icon 3 seconds 
before automatic calibration begins).
Microphone
Magnification
Wi-Fi Connection
Time
Power Indication:
 - charge level if the device is powered by a battery
 - charge level if the device is charging and powered by a battery
 - no battery, the device is connected to an external power supply