Page 236 - Gas Detection Systems Training Manual

8.3.1 Safe Power Off- Main Menu Item
Perform this operation before removing power to the HMI to save configuration data permanently. When you make sensor, relay module, or other HMI configuration changes, they are not immediately committed to internal permanent storage. If you cannot afford to lose the changes, then intentionally performing this operation before removing power from the HMI is best practice.
Once you press the big “POWER DOWN HMI NOW” button, the process begins:
Data is saved to permanent storage and then the HMI will automatically begin to reboot into “Power Down” mode.
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SEC 3500 OI Supervisor Operator’s Manual Version 2.1.0095