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Manual

RECHARGEABLE HEADLIGHT

HL-EL1100RC

OK

NO!

ENG

1

WARNING!!!

•  Be sure to direct the light beam downward so 

approaching car or pedestrian are not dazzled.

•  Before your trip, please make sure the light is firmly 

mounted to the bracket and it lights up.

•  Always pay attention to the remaining battery power 

by checking the indicator periodically while using the 

light.

CAUTION!

•  Do not use high mode on public roads.

•  Keep the light away from children.

•  Mounting the light unit too close to a wireless computer 

may adversely affect the reading of the computer.

•  In preparation for unexpected shutoff, we recommend 

you carry a spare light.

•  This product is water-resistant under normal daily 

use and can be used in the rain. However, do not 

intentionally submerge it in water.

•  If the light unit or parts become dirty with mud, etc., 

clean with a soft cloth which is moistened with mild 

soap. Never apply paint thinner, benzine or alcohol; 

damage will result.

LITHIUM-ION BATTERIES

Cautions on recharging

•  Avoid charging in direct sunlight or in a vehicle parked 

under direct sunlight, and make sure to charge only 

when the ambient temperature is between 41°F and 

104 °F (5 and 40°C).

•  Before charging, be sure that no dust or other foreign 

objects are attached to the USB plug. 

•  Do not subject the light to vibrations while charging.

•  Once charging is complete, be sure to disconnect the 

USB plug.

Cautions in use

•  Charging, discharging, and storing in high 

temperatures will cause the rechargeable battery to 

deteriorate faster. 

Do not place the light inside a vehicle or near a heater.

•  If the illumination time is significantly reduced even 

after proper charging, the rechargeable battery may 

be nearing the end of its service life. Dispose of the 

battery as described in “Cautions for disposal”.

Cautions on storage

Cool and dry storage is recommended. For long period 

storage, it is important to charge the battery 30 minutes 

every 6 months.
Cautions for dispose

When disposing of the light unit, remove the internal 

rechargeable battery and dispose of it according to 

local regulations.

HOW TO CHARGE

2

HOW TO MOUNT TO A BICYCLE

3

SWITCH OPERATION

Light unit

FlexTight™ bracket

(H-34N)

Before using the light, read this manual 
thoroughly and keep it for future 
reference.

Design Pat. Pending

Copyright© 2019 CATEYE Co., Ltd. 
HLEL1100RC-190327 

1

USB cable

(MICRO USB)

1

2

1

. Mount the bracket to the 

handlebar. (Fig 2      –     )

2. Insert the light unit into the 

bracket until it clicks, and 

adjust the beam angle. (    )

  Beam angle adjustment : 

Turn on the light on a smooth 

road at night, and loosen the 

dial or the screw slightly to 

move the bracket. (*1) 

Adjust the beam angle so that 

it is not pointed directly at 

approaching car or pedestrian 

and then tighten the dial firmly 

to fix the bracket. (*2)

3. To remove the light unit, pull it 

forward while pressing down 

on the release button (    ).

1

4

5

3

      Before Initial Use

This unit is shipped with small charge to check the 

light. Be sure to charge it before use, according to 

the instructions “HOW TO CHARGE” and 

“Cautions on recharging”.

CAUTION!:

•  Be sure to tighten the dial by hand. If tightened too hard with a tool, the screw thread may be stripped.

•  Check the dial and screw (*1) on the bracket periodically, to monitor for any loosening.

•  Round off the cut edge of the bracket strap to prevent injury.

Indicator

Approx.

3 - 5

h

 (USB 2.0)

Charging

Steady 

red light

Off

Charging is 

completed

Standard charging time

USB cable

To PC or USB battery charger

1. Connect the light unit to your PC or a commercial USB battery charger using the USB cable. (Fig 1      –     ). 

  The indicator turns on and charging starts.
  * When your PC is in sleep state, the unit cannot be charged.
  * Use a USB battery charger of 1A or more. 

The light can be fast-charged with a high capacity USB battery charger.

2. Once charging is complete, be sure to disconnect the USB plug.

*  Charging and lighting times are approximate values, and will vary by environmental and use conditions.

*2  When turning the light on, it lights up in the mode that was used last time. (Mode memory function) 

ON

OFF

*2

*2

Low

Daytime 

HyperConstant

Flashing

High

High

Middle

Switch (Indicator)

Press 

and hold

Press and hold

Click

Click

Double-click

Remaining battery capacity: 

When the switch is illuminated 

in red, there is little remaining 

battery power.

Indicator

Remaining 

battery power

Approx.

50

or more

Constant 

blue light

Approx.

50−30

%

Constant 

yellow light

Constant 

red light

Less than

 

Approx.

30

%

2

1

1

2

3

4

5

Dial

Strap

Release button

*2

*1

Screw

Bracket

Rubber pad

Charge jack cover

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