PAVAS – Set Alert Speed
PAVAS has a another speed warning alarm called Alert speed. This speed is usually set below the Alarm speed value and is used allow sufficient time for the driver to react before the vehicle reaches the Alarm speed.
The tone consists of a warble where the frequency alternates between 1000 Hz and 1800 Hz in a similar way that an emergency vehicle sounds. The Alert speed is active in all three modes, Speed Alarms, TSD and Regularity.
The speed is set in the Alert Spd Limit menu.