SFCD: Federal Commander Digital System - Federal Signal

Scrolling Through Alarm Messages
Federal Commander Digital System
Use the standard Windows scroll bar on the left side of the system log to scroll through
messages.
Clicking on any message and using the Page Up, Page Down and arrow keys may also
accomplish scrolling.
Audible Alarm (ENABLED / DISABLED)
This selection controls the audible alarm at the CCU location.
If Audible Alarm is ENABLED, the audible alarm will sound at the CCU whenever any
unacknowledged message is in the System Log. When all messages have been acknowledged or
reset the audible alarm will turn off.
To enable or disable the Audible Alarm, point & click on the Audible Alarm radio button.
Color Status
The multicolored system log provides color coded status information:
BLACK System Message
BLUE Reset Alarm
RED Unacknowledged Alarm
GREEN Acknowledged Alarm
Interpreting the System Log Data
If the same system message is repeated more than once, this usually means that the CCU could
hear the message from the RTU that sent it, but the RTU could not hear the ACK from the CCU.
Since the RTU may try up to ten times to send a message to the CCU, there could be as many as
ten occurrences of the same exact message, each with a different alarm number.
SOLUTION: Resolve the communication problem between the CCU and respective RTU. Try
configuring the CCU to use one or more repeaters to reach the RTU that is having trouble hearing
the base or change the antenna or radio power at the site.
Comm Fail messages are generated by the CCU whenever the CCU has attempted to contact an
RTU and all the retries have failed. If this happens only rarely to a particular RTU, it usually
means there was some sort of interference at the time the CCU and RTU tried to talk with each
other. The condition usually goes away in a few minutes. If any RTU has consistent Comm Fail
messages, this usually means that the radio path between the CCU and the RTU is either
blocked by some object or is out of range for the RTU.
SOLUTION: Try configuring the CCU to use one or more repeaters to reach the RTU that is
having trouble hearing the base or change the antenna or radio power at the site.
60
System Log