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RED WIRE
PIN 1
BLUE WIRE
PIN 3
BLACK WIRE
PIN 5
WHITE WIRE
PIN 4
1.5”
Figure 3
Figure 2
Figure 4
Flash Pattern Selection:
To select a flash pattern, apply power to the RED or WHITE or both RED and WHITE wires. (WHITE wire is for dual color only) Momentarily
touch the BLUE wire to the BLACK wire (ground) for less than 1 second to advance to the next pattern. To go back to the previous pattern,
momentarily touch the BLUE wire to the BLACK wire for approximately 2 - 3 seconds. To force the flash pattern to STEADY, momentarily
touch the BLUE wire to the BLACK wire for approximately 5 seconds. When Vacuum-Magnet Mount is being used, the BLUE wire is
connected to ground via the momentary switch on the cigarette plug as shown in FIGURE 2. For more detail about flash patterns, please see
the SINGLE and DUAL COLOR FLASH PATTERN TABLES below.
Flash Pattern Synchronization:
The permanent mount microbars sync with compatible Code 3 products via the yellow wire:
Step 1.
Determine the desired style of flash pattern for each unit and set each unit individually (without the yellow wires connected together)
to avoid confusion. It is also strongly recommended that the same style of flash pattern be used on all units to produce the most effective
warning pattern. (NOTE: Phases A and B for each style of flash pattern in the table denote the relative timing between units connected in a
synchronizing installation. To operate simultaneously, each unit must be set to the same phase (A + A or B + B); to operate alternately, units
must be set to have the opposite phase (A + B or B + A)).
Step 2.
Connect the yellow sync wires together and check that the units are flashing in a synchronized manner as expected. If a pattern
on one unit appears incorrect, the blue pattern select wire can be used to cycle forward or backward on that individual unit until the correct
pattern is selected. Note: This will only change the pattern in the one unit and will not affect the other units connected to the yellow sync wire.
Step 3.
If the yellow wire is unused, leave unconnected and insulated.
Dimming Feature:
To activate the dimming feature of this mircobar, attach the BLUE wire to the RED wire (+BATT).
Summary of Contents for C5550 Series
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