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Manual

RECHARGEABLE HEADLIGHT

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!

•  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, dispose of it 

according to local regulations.

HOW TO CHARGE

2

HOW TO MOUNT TO A BICYCLE

3

Light unit

FlexTight™ bracket

(H-34N)

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

USB cable

(MICRO USB)

2

1

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. (    ) 

(*1)

3. To remove the light unit, pull it 

forward while pressing down 

on the release button (    ,     ).

*  To readjust the beam angle, 

loosen the dial and/or the 

screw enough to move the 

bracket, and firmly tighten 

them after adjustment. (*2)

1

4

5

6

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 (*2) on the bracket periodically, to monitor for any loosening.

•  If cutting the strap, be careful of injury from where the strap is cut. (*3) 

Indicator

Approx.

4

(1A)

- 8

(0.5A) 

h

Charging

Steady 

red light

Off

Charging is 

completed

Standard charging time

Charge jack cover

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 red and charging starts.
  * When your PC is in sleep state, the unit cannot be charged.
  * Use a USB battery charger of 500 mAh (USB2.0) or more.
2. Once charging is complete, disconnect the USB cable and securely attach the charge jack cover.

CAUTION!: Attach the charge jack cover securely to ensure waterproofness.

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

*3

1

2

2

3

3

Bracket

Dial

Strap

Rubber pad

Release 

button

Screw

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

ON

OFF

*4

*4

Low

Daytime 

HyperConstant

Flashing

High

High

Switch (Indicator)

Press 

and hold

Press and hold

Click

Click

Double-click

Double-click

Remaining battery capacity : 

When the switch is illuminated in red, there is little remaining 

battery power. Please charge as soon as possible.

SWITCH OPERATION

4

4

6

5

*2

*1

Switch 

(Indicator)

HL-EL085RC

Design Pat. Pending

Copyright© 2019 CATEYE Co., Ltd. 
HLEL085RC-190603  

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