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Program Options via DIP Switch DIP Switch Settings
36 MS-2/MS-4 PN 51512:E 01/18/05
3.1.2.5 IDC2 Verification for MS-2 or IDC3 Verification for MS-4
Switch 5, placed in the ON position, selects the Verification feature for IDC #2 on
the MS-2 or IDC #3 on the MS-4. The factory default setting is switch 5 OFF for no
Verification. Refer to "IDC1 Verification (MS-4 only)" on page 35 for a
description of this feature.
3.1.2.6 IDC2 Supervisory for MS-2 or IDC3 Supervisory for MS-4
Switch 6, placed in the ON position, programs IDC #2 on the MS-2 or IDC #3 on
the MS-4 as a Supervisory circuit. A supervisory zone can be used for monitoring
supervisory devices such as sprinkler tamper switches. A supervisory activation
will pulse the piezo sounder at a ˝ second rate and flash the zone supervisory LED at
the same rate. The factory default setting is switch 6 OFF for no Supervisory.
3.1.2.7 IDC4 Verification (MS-4 only)
Switch 7 only on the MS-4, placed in the ON position, selects the Verification
feature for IDC #4. The factory default setting is switch 7 OFF for no IDC4
Verification. Refer to "IDC1 Verification (MS-4 only)" on page 35 for a
description of this feature.
3.1.2.8 IDC4 Supervisory (MS-4 only)
Switch 8 only on the MS-4, placed in the ON position, programs IDC #4 as a
Supervisory circuit. A supervisory zone can be used for monitoring supervisory
devices such as sprinkler tamper switches. A supervisory activation will pulse the
piezo sounder at a ˝ second rate and flash the zone supervisory LED at the same
rate. The factory default setting is switch 8 OFF for no IDC4 Supervisory.
3.1.3 SW3 DIP Switch Settings
3.1.3.1 NAC1 Nonsilenceable
Switch 1, placed in the ON position, programs NAC #1 as a nonsilenceable circuit.
Selecting this feature will prevent the notification appliances on NAC #1 from
being silenced by the Autosilence feature or by pressing the Alarm Silence button.
The factory default setting is switch 1 OFF for silenceable circuit.
3.1.3.2 NAC1 Disable
Switch 2, placed in the ON position, will disable NAC #1, preventing the
notification appliances from activating. This feature may be used during
maintenance or while testing the system to prevent building evacuation. The FACP
will indicate an NAC disabled fault and system trouble while this feature is
selected. The factory default setting is switch 2 OFF for NAC1 enabled.
3.1.3.3 NAC2 Nonsilenceable (MS-4 only)
Switch 3 only on the MS-4, placed in the ON position, programs NAC #2 as a
nonsilenceable circuit. Selecting this feature will prevent the notification
appliances on NAC #2 from being silenced by the Autosilence feature or by
pressing the Alarm Silence button. The factory default setting is switch 3 OFF for
silenceable circuit.
3.1.3.4 NAC2 Disable (MS-4 only)
Switch 4 only on the MS-4, placed in the ON position, will disable NAC #2,
preventing the notification appliances from activating. This feature may be used
during maintenance or while testing the system to prevent building evacuation. The
FACP will indicate an NAC disabled fault and system trouble while this feature is
selected. The factory default setting is switch 4 OFF for NAC2 enabled.