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User manual

We  will  replace  products  afflicted  with  manufacturing  defects  within  30 
days  of  purchase  and  repair  a  light  free  of  charge  within  24  months  of 
purchase  if  problems  develop  under  normal  use;  if  repair  is  required 
after 24 months from the date of purchase, we will charge for parts. The 
total repair fee is dictated by the cost of the replaced materials.

PRODUCT FEATURES

PRODUCT  INTRODUCTION

OPERATION INSTRUCTIONS

BATTERY REPLACEMENT

USAGE AND MAINTENANCE

PRODUCT WARRANTY

ORCATORCH  D510  is  a  portable  flashlight  with  a  mechanically  rotary 
switch  for  technical  diving  use.  The  rotary  switch  offers  high  reliability 
underwater.  Using  the  latest  USA  CREE  XM-L2(U2)  LED,  it  can  reach 
900 lumens output. And using three C batteries, its runtime can be over 
4 hours. Plus simple style appearance, robust water pressure resistant 
construction, we believe it will be a reliable lighting tool for diving.

Tel:+86-755-33560383              Fax:+86-755-29454989 
Email: [email protected]           www.orcatorch.com 

 

      

Address: 5th Floor, Emerson Building A,
26 Zone, Baoan District,

 

Shenzhen city, 

China (518101) 

Max

 

900

 

Lumens

Cree XM-L2(U2) LED, 900 lumens output
Uses 3*C batteries
Mechanically head rotary switch offers high reliability underwater
Water pressure resistant construction, depth rated to 150 meters
Standard included arm strap, fastens the light to your arm
High efficiency constant current circuit, constant brightness
Reverse  polarity  protection,  to  protect  from  improper  battery 
installation
Aircraft-grade high strength aluminum material
Premium  Type  III  military  hard-anodized  seawater-corrosion-
resistance finish
Alloy aluminum reflector with professional optical analysis
Toughened  glass  with  high  water  pressure  resistance  under  deep 
water

TECHNICAL PARAMETERS

Notice

:  Stated  data  has  been  measured  according  to  the  international 

flashlight  test  standards  ANSI/NEMA  FL1  using  three  C  batteries  under 
laboratory  conditions.  The  parameters  are  approximate  and  may  vary 
between flashlights, batteries, and environments.

ANSI/NEMA FL1

Output

Runtime

Intensity

Waterproof

Working voltage

Dimension

Net weight

Accessories

3 – 4.5 V

209mm(Length) x 35mm(Diameter) x 49mm(Head)

313g

excluding battery

O-ring  lanyard,  arm strap,  silicone grease

Beam 
Distance

Impact 
Resistant

Mode

900 Lumens

4h

325m (on land)

26400cd

1m

under water 150m

1.  ON/OFF:  Insert  the  battery  and  tighten  the  light  head  to  turn  on  the 
flashlight, unscrew the light head to turn it off.
2. We recommend to tighten the light head to turn on the light before you 
go  underwater,  and  do  not  unscrew  the  light  head  until  you  have  gone 
out of water to avoid leaking underwater.

1.  As  shown  in  the  figure,  insert  the  battery  with  the  anode  side  (+) 
toward the light head.
2.  Please  do  not  reverse  the  battery  to  avoid  damage  to  the  flashlight 
and battery.
3.  Please  do  not  use  battery  with  higher  voltage  than  the  flashlight 
working voltage.
4.  Please  do  not  use  battery  with  damaged  surface  or  deformation  to 
avoid short circuit, explosion, leakage, etc.

Reason A: The batteries need to be replaced.
Solution:  Replace  batteries  (Please  confirm  correct  installation  of  + 
and - terminals).
Reason B: The threads, PCB board contact or other contacts are dirty. 
Solution: Clean the contact points with an alcohol soaked cotton swab. 
If  the  methods  above  don't  work,  please  contact  the  distributors  and 
refer to the warranty policy.

²

into switch section or screw thread.

²

  

Tighten all the connections of the light before going underwater. For 

head rotary switch flashlight, we recommend to tighten the light head to 
turn on the light before you go underwater, and do not unscrew the light 
head until you have gone out of water to avoid leaking underwater

²

  Please  don't  disassemble  the  sealed  head,  doing  so  may  cause 

damage to the flashlight and will void the warranty.  

²

We recommend the use of high quality batteries. If the flashlight will 

not be used for a long time, remove the batteries to avoid damage from 
electrolyte leakage or battery explosion.

²

Please replace the O-rings if they are damaged after prolonged use 

and regularly lubricate the o-rings so as to not erode the rubber. Doing 
so will keep the flashlight properly sealed against water. 

²

Please  clean  the  contacts  of  your  light  from  time  to  time,  especially 

when  the  light  flickers  or  doesn't  light  up.  There  are  probably  several 
reasons for a flickering or not working light:

   

Do  not  drop  or  place  the  light  on  sand  in  case  iron  sand  stick  or  go 

Warning

The  flashlight  is  high  intensity  lighting  device  and  capable  of  causing 
eye damage, please avoid shining the light directly into the eyes.

            www.orcatorch.com

ORCATORCH TECHNOLOGY LIMITED

D510

²

  

Please clean the surface of the flashlight with fresh water after use in 

case of the seawater corrosiveness.

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