STONEX X300 - 3.3.3 Battery Level Alert; LED and Buzzer Indicators for Low Battery; 3.3.4 Internal Temperature Alert; LED and Buzzer Indicators for High Temperature

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3.3.3 Battery level alert
The battery level is continuously monitored.
The critical threshold is below 20% and the alarm is visible on the RED Status LED:
 At 20% : LED is on, with 1 second off every 8 seconds
 At 15% : LED is on, with 1 second off every 2 seconds
 At 10% : LED is solid on
A buzzer is also present:
 At 15% : one short beep every 16 seconds
 At 10% : one short beep every 4 seconds
 At 5% : prolonged beep every 4 seconds
3.3.4 Internal temperature alert
Temperature is continuously monitored.
The alarm is visible on the YELLOW Status LED:
 Temp < -15° or > +75°: LED is on, with 1 second off every 8 seconds
 Temp < -20° or > +80°: LED is on, with 1 second off every 2 seconds
 Temp < -25° or > +85°: LED is solid on
A buzzer is also present. In case of double alarm (critical temperature and low battery) the
priority is given to temperature:
 Temp < -20° or > +80°: short beep every 16 seconds
 Temp < -25° or > +85°: short beep every 4 seconds
 Temp < -30° or > +90°: prolonged beep every 4 seconds