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21 & 27 Series Lightbar Flash Pattern Chart
No. Description FPM
SAE J845 (180°)* SAE J595 CA TITLE 13
A, B, R W A, B, R W A, B, R
1 Sweep - - - - - -
2 Dual End Rotate - - - - - -
3 Pursuit - - - - - -
4 Pursuit (Steady Front Primary) - - - - - -
5 Cruise Low - - - - - -
6 Cruise Low Full Bar - - - - - -
7 Cruise High - - - - - -
8 Flicker Cruise Low - - - - - -
9 Flicker Cruise High - - - - - -
10 Takedown/Alley Flash - - - - - -
11 Single Flash 75 Class 1S Class 1S Class 1 Class 1 Class B
12 Triple Flash 115 Class 2S Class 2S Class 2 Class 2 -
13 Triple Flash (Steady Front Primary) 115 Class 2S Class 2S Class 2 Class 2 -
14 Quad Flash 115 Class 1S Class 1S** Class 1 Class 1*** -
15 Single Flash 150 Class 2S Class 2S Class 2 Class 2 -
16 Single Flash 250 - - - - -
17 Single Flash 375 - - - - -
18 Double Flash 75 Class 1S Class 1S Class 1 Class 1 Class B
19 Double Flash 115 Class 1S Class 1S Class 1 Class 1 Class B
20 Double Flash 150 Class 1S Class 1S Class 1 Class 1 -
21 Triple Flash 60 Class 1S Class 1S Class 1 Class 1 Class B
22 Triple Flash 150 Class 1S Class 1S Class 1 Class 1 -
23 Quad Flash NFPA 75 Class 1S Class 1S Class 1 Class 1 Class B
24 Quad Flash 150 Class 1S Class 1S Class 1 Class 1 -
25 Five Flash 75 Class 1S Class 1S Class 1 Class 1 Class B
26 Five Flash 150 Class 1S Class 1S Class 1 Class 1 -
27 Six Flash 60 Class 1S Class 1S Class 1 Class 1 Class B
28 Six Flash 80 Class 2S Class 2S Class 2 Class 2 -
29 All Bar Rotate - - - - - -
30 Intersection - - - - - -
31 Variable Flash - - - - - -
32 Cycle Flash - - - - - -
33 360 Combo - - - - - -
34 Hyper Flash - - - - - -
* Applies to lightbars with a minimum of the indicated colors in two corners
** 21 and 27 series lightbars with single color modules in the corners are SAE Class 2S
*** 21 series lightbars with single color white modules are SAE J595 Class 2