Sensor Electronics SEC Millenium Series Instruction And Operation Manual page 315

Then the 3500 panel resets, displays the splash page and displays the following page:
This screen will continue to display every time the panel is powered down until
"Restart" above is pressed. So for now, if the intention is to safely shut down; now is the
proper time to remove power from the panel. When the panel is power back on, the
screen will return. And if you are ready to return to normal operation, then press the
"Restart" button, and the following screen will be displayed:
Followed by the 3500 panel restarting, the splash screen displayed and the Main Zone
Summary screen display- Normal Operation has now been resumed.
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Sensor Electronics Corporation SEC 3500 OI
5500 Lincoln Drive Basic Operator's
Minneapolis, Minnesota 55436 Manual
th
July 28 , 2007 952-938-9486 Version 2.1.0095