Reprogramming the Light Bar
11
Installation, Maintenance, and Service Manual
Federal Signal www.fedsig.com
FRONT and REAR lights: CUTOFF (default) or ENABLE
• Set these options after you change the default settings for MODE and INTERSECTION
flash patterns. CUTOFF turns OFF the front or rear LEDs when 12 Vdc is applied to the
FRONT or REAR light control wire. ENABLE turns ON the front or rear LEDs when 12
Vdc is applied.
Making the Electrical Connections for Reprogramming
To supply power to the light bar, use a fully-charged 12-volt automotive battery and follow
these steps:
1. Place the light bar on a sturdy, flat surface.
2. Plug the CAT5 communication cable from the light bar into the controller. See Figure 1.
Figure 1 Electrical connections for reprogramming the light bar
+
-
Fuse
40 A Maxi
12 Vdc
Vehicle
Battery
Power (Red)
Ground (Black)
CAT5 Comm
Cable
To Controller or Siren
3. Attach the black ground power line to the negative battery (–GND) terminal.
4. Attach the red power line through a 40 A MAXI
®
fuse to the positive battery (+BAT)
terminal.
Refer to the instructions supplied with the controller or Serial Interface for additional
connections and programming information.
