Up to four LED lights are available, depending on the Sentry model. Lights are provided for:
- ADS-B
- CO (Carbon Monoxide): Sentry and Sentry Plus
- GPS
- PWR (Battery Power): Sentry and Sentry Plus
LEDs are activated when Sentry is powered on. The Battery Power LED is activated when Sentry is charging or powered on. LED lights on the Sentry have the following meanings:
ADS-B Light
- Green: Receiving from multiple towers
- Yellow: Receiving from one tower
- Red: No reception
CO Light
- Green: Normal
- Yellow: Caution
- Red: Danger
GPS Light
- Green: Good fix
- Yellow: Weak fix
- Red: No fix
PWR Light
- No Light: 100% Charged
- Green: Battery good (>30%)
- Yellow: Battery low (<30%)
- Red: Battery critical (<20%)
- Blue: Charging
NOTE: LED brightness is controlled in Sentry settings by selecting More > Devices > Sentry.
Auto Brightness automatically adjusts LED brightness based on ambient light.
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