Power Button
Sentry Plus has a single button located below the OLED display. Press and hold the button for
two seconds to power Sentry Plus on or off. When powered on, the OLED display, ADS-B, CO,
GPS, and PWR LEDs are activated.
LED Status
Sentry Plus has four LEDs. The ADS-B, CO, and GPS LEDs are activated when Sentry Plus is
powered on.
The PWR LED is activated when Sentry Plus is charging or powered on. LED brightness can
be controlled in Sentry Plus settings by selecting More > Devices > Sentry Plus. Auto
Brightness automatically adjusts LED brightness based on ambient light.
NOTE: Any data received from an ADS-B tower (including tower information) is considered
reception. A yellow or green ADS-B LED does not guarantee reception of FIS-B data.