![](/images/new-backgrounds/1026178/2617839x1.webp)
HA40 4-Channel Controller
The Relay 2 ACK menu item determines if standard relay 2 may be acknowledged by an Alarm Reset. ON causes an Alarm Reset to silence the horn even though an alarm condition remains active.
Figure 2-12. Horn/Acknowledge Menu
2.4 HA40 System Security Menu
A
Authorized individuals locking the system should first enter a name, phone #, or other contact information into the 12 character field on the top line of the Security screen. To lock or unlock the system the correct 4 digit authorization number must be entered into the Pass Code field. It is very important to remember the 4 digit code since the factory must be consulted if it is lost.
Figure 2-13. System Security Menu
HA40 Technical Manual | Revision 1 (07/08) |