Audible Sounder; Key Slot - SE Controls OS2 Manual

9 Audible "Sounder"
The sounder (if enabled) will commence sounding if:
• The attached OS2 system activates on fire.
• The attached OS2 system indicates a fault.
• The local "Open", "Reset" or "Test" pushbuttons are operated. To silence the sounder depress
the "Silence" pushbutton.

10 Key slot

Located on the underside of the MCP is a slot designed for an electronic reset key. Do not insert
anything other than the specially designed key into this slot. The key must be inserted with
electrical contacts facing away from the user. Inserting a dumb reset key will reset the green
blinking indication (see 4.6), and for FCS00200016 only.
FCS00200037 OS2 Tamperproof MCP only : The key slot also allows use of electronic activation
key (FCS00200033)
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