U-Line H-7931 Operating Instructions Manual Download Page 2

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0419 IH-7931

ALTERNATE OPERATION

To turn off the flare without cycling through the light 

pattern, press and hold the ON/OFF button for two 

seconds. Two LEDs will flash five times and then turn off. 

When ready to operate again, press the ON/OFF button 

and it will return to the last flash pattern that selected 

before turning off.

BATTERY INSTALLATION AND REPLACEMENT

1.  Remove all three compression screws using the 

included hex wrench and remove the top of the 

flare. (See Figure 1)

2.  Install two AA batteries making sure to align them 

with the correct (+) & (–) placement, as indicated 

inside the battery compartment. (See Figure 2)

3.  Replace the top of the flare and firmly tighten all 

three housing screws. If they are not tightened 

enough the flare will not be waterproof.

NOTE: As an option to standard alkaline 
batteries, AA rechargeable NiMH batteries  
may be used.

OPERATING INSTRUCTIONS

Figure 1

Figure 2

AA Batteries

SPECIFICATIONS

Battery

2 AA alkaline batteries included

Replacement battery specs may vary

18 LED bulbs (per flare)

5 mm, 20,000 MCD, 100,000 hour life

Temperature range

14°F to 158°F

DOT & traffic

safety compliance

U.S. DOT (FMCSA) 49 CFR § 392.25 & 393.95 (g) (prohibits the 

carrying of any flame-producing flare on any commercial 

motor vehicle (CMV) transporting explosives; any cargo of 

flammable liquid or flammable compressed gas, whether 

loaded or empty; or any CMV using compressed gas as a 

motor fuel).

MUTCD Type A (flashing) and Type C (solid on)

NFPA 1901 Standards for Traffic Safety; Section 6.7.3 

Miscellaneous Equipment

Weight

2 lbs. 12 oz.

Dimensions

5.25 x 5.75 x 5.5"

POWER DURATION

RUN TIME

#1 – Rotate

30+ hours

#2 – Quad Flash

30+ hours

#3 – Alternating Blink

20+ hours

#4 – Quick Flash

40+ hours

#5 – SOS Rescue (Morse Code)

60+ hours

#6 – Steady On

15+ hours

#7 – 3 LED Light

40+ hours

TECHNICAL INFORMATION

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  CHICAGO • ATLANTA • DALLAS • LOS ANGELES • MINNEAPOLIS • NYC/PHILA • SEATTLE • MEXICO • CANADA

1-800-295-5510

uline.com

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