Sony FCB-EX980S, FCB-EX980SP, FCB-EX980, FCB-EX980P Technical Manual page 22

Mode "03"
*
* Repeat this loop until Alarm off.
Alarm On
AE moves.
AE moves outside of
the hysteresis.
High level signal output
AE does not move for
a period of time.
Low level signal output
Update the AE level data
Basic Functions
AE level into memory
Hysteresis is set to the factory
preset.
AE does not move for
a period of time.
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