From the Operator DSS when idle:
- Press [ICM] + [FEAT] + [6] + [4]
- Enter the time [HH MM] using the 24 hour military clock
- Press [SPKR]
From the Attendant Console when idle:
- Press [ETC] + [ETC] + [ETC] + [F1]
- Enter the time [HH MM] using the 24 hour military clock
- Press [RLS]