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Preparing the Legend for Installation
24
Legend LGD and Legend LPX Light Bars
Federal Signal
www.fedsig.com
To change from HIGH to TAP II or 8-SECOND TIMEOUT:
1.
Unplug the 24-pin harness from the Serial Interface Module.
2.
On the Serial Interface Module, set Switch 7 and Switch 8 on SW-2 to select
a method of operation (Figure 2 on page 21 and Table 11.) Each setting is
independent of the other.
3.
Plug the 24-pin harness into the Serial Interface Module.
Table 11 Switch settings for INTERSECTION operation
Operational Settings
SW-2
SW7
SW8
HIGH (+BAT maintained)
OFF (up)
OFF (up)
TAP II (+BAT, push on/push off )
ON (down)
OFF (up)
8-SECOND TIMEOUT (activated by +BAT)
OFF (up)
ON (down)
FRONT/REAR ENABLE or CUTOFF
The operational setting for FRONT/REAR ENABLE or CUTOFF must be
programmed after MODE and INTERSECTION. The default setting is for CUTOFF
in which the FRONT or REAR LEDs turn off when 12 Vdc (+BAT) is applied to their
control wires. In contrast, FRONT/REAR ENABLE turns on these LED modules
when +BAT is applied to their control wires. Both FRONT and REAR share the same
operational setting and are not independent.
To program for FRONT/REAR ENABLE or CUTOFF:
1.
Unplug the 24-pin harness from the Serial Interface Module.
2.
On the Serial Interface Module, move Switch 1 on SW-2 to:
• the down (on) position for Front/Rear Enable.
• the up (off) position for Front/Rear Cutoff.
3.
Plug the 24-pin harness into the Serial Interface Module.
NOTE:
When set to ENABLE, 12 Vdc must be applied to a MODE control wire and the
FRONT and/or REAR ENABLE control wire for the light bar to operate.
In a typical installation, if you want only the REAR LED modules to flash in MODE 1,
set the operation for ENABLE. Connect the green/white and blue/white control
wires to the MODE 2 connection and the orange/black and blue control wires to
the MODE 1 connection.
Exiting Program Mode
When you are finished programming patterns, switch the Serial Interface Module
from Operation Mode to Program Mode.
1.
Unplug the 24-pin harness from the Serial Interface Module.
2.
On the Serial Interface Module, move SW-2 Switch 6 to the up (OFF) position.