Panasonic WJ-HD309 Setup Instructions page 41

Settings for the alarm terminal polarity [Terminal Setup]
Select how to supply the signal to the alarm terminal.
Screenshot 1
Start operation after the submenu of the event menu is
displayed by clicking the [Event] button in the [Setup]
tab. (page 15)
Screenshot 2
The "Terminal Setup" menu will be displayed.
Step 1
Click "Terminal Setup".
Step 2
Select polarities for each terminal by clicking the [i]
button.
N.O.: Signals will be supplied when open-circuited.
(Normally Open)
N.C.: Signals will be supplied when short-circuited.
(Normally Closed)
Step 3
Click the [SET] button after completing the settings.
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