MS-9050 Series Manual — P/N 52413:F 10/22/2010 99
Master Programming Level Programming
Type
The main circuit board NAC type can be programmed by pressing 2 while viewing NAC Screen #1.
The following screen will be displayed. Press the down arrow key to view additional screens:
Select the NAC device type by pressing the number corresponding to the type in the appropriate
screen. When the selection is made, the display will return to NAC Screen #1.
The following table contains NAC type codes and their functions:
Silenceable
Pressing 3 while viewing NAC Screen #1 will cause the display to change to Silenceable No. This
will prevent the selected main circuit board NAC from being silenced by pressing the Alarm
Silence key or by the Auto Silence feature. Each press of the 3 key will cause the display to toggle
between Silenceable Yes and Silenceable No.
Important: When a Notification Appliance Circuit with a mix of audible and visual devices is pro-
grammed for silenceable and the synchronization feature is selected, only the audible devices will
be turned off if the Silence key is pressed or if the Autosilence feature is enabled. The visual devices
(strobes, etc.) will continue to operate.
NAC Type Code Special Function
Bell None
Horn None
Strobe None
Synced Strobe Synchronized to manufacturer
Strobe Sil Sync Same as Synced Strobe but Silence turns off audible & visual devices
Door Holder NAC normally active
1
1 Important: User should be aware that selecting Door Holder, Reset Power or
Non-Reset Power types for an NAC will immediately activate (turn on) the NAC
circuit and any devices connected to it, and therefore should not be used for
notification appliances.
Reset Power NAC normally active
1
Non-Reset Power NAC normally active
1
NAC #
1=ENABLED
2=TYPE
3=SILENCEABLE
NAC Screen #1
NAC TYPE
1=BELL
2=HORN
3=STROBE
Type Screen #1
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