MS-9050 Series Manual — P/N 52413:F 10/22/2010 147
Maintenance Programming Level Programming
Pressing 2 will cause the display to change to Pre-signal 18 On. Each press of the 2 key will cause
the display to toggle between Pre-signal 18 On and Pre-signal 18 Off. When Zone 18 is pro-
grammed On, a Pre-signal activation of any device will cause Zone 18 to activate. By assigning
Zone 18 to a control module in the Programming Zone Assignment Screen, an output device con-
nected to the control module can be used to indicate a Pre-signal condition in the control panel. Do
not assign Zone 18 to a Notification Appliance Circuit when using this zone to indicate a Pre-signal
condition.
Pressing 3 will cause the display to change to Two Stage 19 On. Each press of the 3 key will cause
the display to toggle between Two Stage 19 On and Two Stage 19 Off. Refer to “Two Stage Opera-
tion” on page 101 for a description of this feature.