Oasis I Series Installation & Operation Manual page 22

When the MUTE icon is lit, the timing silent has been set but is not yet under silent status.
When the MUTE icon is flashing, it is under silent status.
When there is no MUTE icon, the timing silent has not been set.
To cancel the Timing Silent Function, follow the process in 6.2.5.2 Cancelling a Timer.
6.2.7 Keyboard Lock
To lock the screen after adjusting settings, from the main menu hold the ON/OFF button for around 5 seconds. The
keyboard will be locked when the small lock symbol appears. The screen can be locked while the controller is in the
on or off interface.
Under the locked screen, the only operation that can be performed is turning the unit on.
6.2.8 Fault Interface
When a failure occurs, the controller will display a code according to the reason of the fault (See 7. Troubleshooting
for definition of the codes). From the main interface, press the ON/OFF button to view the faults. If there are
multiple faults, use the up and down keys to view others.
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