Ecco 21 Series Installation Instructions Manual page 11

To change a light head group flash pattern rate selection:
1. Power-up the Lightbar and apply +power to the appropriate level mode wires (see Table 3) and the BLK/RED Pattern select wire in the
16 conductor cable.
2. Momentarily touch the appropriate light head group wire, shown in Table 10, to +power to cycle through the flash pattern rates shown in
shown in Table 11.
To restore the Factory Default Emergency Warning Flash Rate to module group in a level mode, hold the appropriate rate selection wire
and the BLK/RED wire to +power for more than four seconds. The four corner light heads will flash once, and then stay on to indicate that
the Factory Default Emergency Warning Flash Rate has been restored.
Level Mode Default Patterns by Group - Synchronized
Light Head Group
Flash Rate
Front Quad 75 FPM
Rear Quad 75 FPM
L1 + L2
Front Quad 75 FPM
Rear Quad 75 FPM
Light Head Group Flash Rate Wires -
Function Wire Color
BLK
BLU/WHT
L1 L2
Quad 75 FPM
Quad 75 FPM
L1 + L3
Cycle
Cycle
TABLE 9
Synchronized
Light Head Group
Front
Rear
TABLE 10
Light Head Group Flash
Rates - Synchronized
Order Flash Pattern
1 Double 75 FPM
2 Triple 75 FPM
3 Quad 75 FPM
4 Quint 75 FPM
5 Triple Pop 75 FPM
6 Quad Pop 75 FPM
7 Single 150 FPM
8 Double 150 FPM
9 Triple 150 FPM
10 Quad 150 FPM
11 Quint 150 FPM
12 Triple Pop 150 FPM
13 Quad Pop 150 FPM
14 Single 375 FPM
15 NFPA Qud 77 FPM
16 Cycle Flash
TABLE 11
L3
Cycle
Cycle
L2 + L3 L1 + L2 + L3
Cycle Cycle
Cycle Cycle