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Light Cannon 100  DIVELIGHT

Instructions

Limited Lifetime Warranty

  Underwater Kinetics products are 

engineered for maximum performance and

durability. All products carry a Limited Lifetime 

Warranty to the original retail purchaser

to be free from defective material and 

workmanship under normal and intended use. 

In addition, the Underwater Kinetics Limited 

Warranty covers materials used in its 

products to the original purchaser, from the 

date of purchase, as follows: plastics for 10 

years; rubber for 3 years, LED and electronics 

for 1 year, rechargeable batteries for 90 days.

  In the event the original retail purchaser 

detects a defect in the material or

workmanship, the product along with proof of 

purchase date should be returned to an

authorized Underwater Kinetics dealer or 

directly to Underwater Kinetics with the

postage prepaid. Underwater Kinetics agrees 

to repair or replace at Underwater

Kinetics' sole discretion any product found to 

be defective in material or workmanship

within the time period specified above. For the 

complete Limited Lifetime Warranty write

to Underwater Kinetics or go to the web site 

www.underwaterkinetics.com.

Address all correspondence and returns to:

Underwater Kinetics

13400 Danielson Street

Poway, CA 92064

Troubleshooting

Torch does not come on after loading 

batteries

• Make sure batteries are oriented in the right 

direction.

• Make sure lamp is pushed all the way into 

the socket.

• If lamp module is extremely hot, wait for it to 

cool down while the thermostat resets. Then, 

turn it on again.

• Replace fuse.

• Make sure bottom contact plate is oriented 

properly.

• Lamp is broken. (LC100 makes a faint ticking 

sound for a few seconds when switch is 

turned on, but light does not ignite) 

Light does not come on immediately; takes 

time to get to full brightness

• This is normal. The light takes 20-30 seconds 

for full brightness when it is cold. It will take 

less time when it is warmed up. 

Switch will not rotate

• Pull safety lock outward (see diagram on 

opposite side)

Light goes out and will not come on again

• You might have accidentally turned the torch 

off. Make sure switch is in OFF position 

(clockwise rotated). Wait at least 3 seconds 

before turning torch on again.

Light flickers and changes color

• This is normal when the batteries are nearly 

drained. Replace batteries.

Light changes color slightly when pointing

at different angles up and down

• This is normal. The light may change color 

slightly depending on the angle of the light.

Torch leaked, filled with water

• Open torch immediately, remove batteries, 

rinse with fresh water, let components dry, 

remove main o-ring, reassemble and return to 

UK for service or replacement.

Thank you for purchasing the Light Cannon 100. It is a major advancement in hand held lighting. 

Unlike standard torches, the lamp does not use a glowing filament of tungsten for the light 

source. Instead, light is emitted from a very small glowing ball of ionized gas. As a result you will 

get 3 times as much light from a set of batteries and the light will be much whiter enabling it to 

travel farther underwater.

© 2007 Underwater Kinetics         PN Z420207

®

BR

Handle Insertion

Slide the handle into the dovetail groove next to 

the switch. Tighten the screw located inside the 

pistol grip or at the base to the lantern grip. Test 

the handle to make sure that it will not slide out 

of the groove.

Loading Batteries

Load 8 alkaline C-cell batteries into the torch as 

shown in the diagram. When inserting the 

contact plate be sure to observe the alignment 

arrows. Make sure the + and - contacts of the 

batteries match the + and - marked in the torch. 

If any cell is loaded backwards, the light will not 

turn on. Insert the lamp module and reflector. 

Make sure the O-ring is clean. Screw on the 

bezel until it is tight and compresses the O-ring.

Rechargeable Batteries and UK Rechargeable 

Nicad Pack

In addition to disposable alkaline batteries the 

LC-100 can also be powered by the UK 

Rechargeable Nicad Pack or 8 individual C-size 

rechargeable nicad or NiMH cells.

When using the UK Rechargeable Nicad Pack, 

the spring contact plate should be removed 

from the case. Use the spring supplied with the 

Nicad Pack. The rechargeable battery pack is 

charged by inserting the charge plug from the 

charger into the socket on the end of the battery 

pack. Charge the pack 10-12 hours or until the 

pack begins to feel warm. For maximum burn 

time charge the pack immediately before use. It 

is not necessary to completely discharge the 

battery pack before recharging. Less time will 

be required to charge a partially discharged 

pack. A battery pack stored for several months 

will need to be charged and discharged several 

time for maximum burn time to return.

Switch

Pull the switch lock outward as shown. Rotate 

the switch counterclockwise to turn the torch 

on. It will take approximately 20 seconds for the 

light to come to full brightness. Rotate the 

switch clockwise to turn the torch off. You must 

wait at least 3 seconds before turning the torch 

back on again or it will not light. Push the switch 

lock inward when the torch is off in order to 

prevent accidental activation. NOTE: Turning 

the torch ON and OFF often will shorten the life 

of the lamp slightly. It is better to leave the Light 

Cannon 100 ON than to switch it ON and OFF 

repeatidly during a dive. 

O-ring Care

Each time the case is closed, make sure that the 

Main O-ring is clean and the sealing surfaces it 

touches are clean and free from scratches. 

Lightly grease the O-ring with silicone grease, 

place it on the case and screw the bezel down 

tightly to compress the O-ring.

Fuse Replacement

Remove the Reflector and Lamp Module from 

the Light Cannon case. Unscrew the two 

screws from the rear plate on the Lamp Module. 

Remove the fuse from the socket. If the filament 

in the fuse appears broken or the glass is 

blackened the fuse is burned out and should be 

replaced with the spare AGA-2 fuse stored in 

the Lamp Module. New fuses are available at 

hardware and auto parts stores. Insert the 

replacement fuse in the socket, replace the rear 

plate using the two screws. 

Wide Angle Video Filter 

The LC100 can be used as a video light. For wide 

smooth illumination open the LC100 and insert 

one or two Wide Angle Filter disks in front of the 

reflector (as shown in drawing) before 

replacing the Bezel. Each filter makes the beam 

wider to match the coverage of a medium wide 

angle lens. The color temperature of the light 

will be similar to daylight.

Nicad Battery Pack Charging

The rechargeable battery pack is charged by 

inserting the charge plug from the charger in 

to the socket on the end of the battery pack. 

Charge the pack 10-12 hours or until the pack 

begins to feel warm. For maximum burn time 

charge the pack immediately before use. A 

battery stored for several months will need to 

be charged and discharged several times for 

maximum burn time to return.

Lamp Replacement

Wait until the lamp is cool in the Lamp Module. Remove 

the reflector. Pull the glass tube straight out. Insert the 

new lamp into the lamp module so that (1) the two pins at 

the base of the lamp line up with the holes in the lamp 

socket, and (2) the rib on the side of lamp base lines up 

with the slot in the socket. Push lamp gently into the 

socket. 

Insertion of the lamp in reverse will severely 

shorten the life.

Light Cannon 100 Assembly

Specifications

 

CAUTION

Batteries which are loaded without observing the proper polarity; are not the same 

type, brand name and age; or are completely discharged can vent hydrogen gas and 

possibly cause an explosion.

• Load batteries according to marked polarity.

• Do not mix batteries of different type, brand name or age.

• Discard all batteries when they are drained or do not produce light.

Power: 

 

 

25 (equivalent), 12.5 (actual) watts

Lamp:

  

 

HID Metal Halide

Lamp Life: 

   

500 hours

Color Temperature:

  

6000 degrees Kelvin

Luminous Flux: 

 

450 lumens

Burn Time: 

   

3-4 hours (alkaline batteries)

   

 

2.2 hours (optional UK nicad pack)

Charge Time: 

 

10-12 hours with optional UK Nicad Pack

Voltage: 

 

 

10 volts

Current: 

 

 

1.25 amps

Battery:

  

 

8 x Alkaline C-cell / LR14, UK Nicad Pack,

   

 

8 x Nicad batteries, 8 x NiMH batteries

Restart time: 

 

3 seconds

Beam width:

   

6 degrees

   

 

(optional video wide angle filter included)

Safety Features:

  

Thermostat shutdown for overheating, fuse

   

 

protected, polarized battery chamber, isolated electronics.

Fuse: 

 

 

AGA-2 (Spare included)

Maximum Depth: 

 

150 m

Grip:  

 

Pistol or Lantern style

Materials: 

   

Tough, non-corroding ABS, TPE and polycarbonate plastic

Size: 

 

 

208 x 81 x 178 mm

Weight: 

 

 

1.1 kg

FRAGILE LAMP

Handle With Care! Dropping the LC100 onto a 

hard surface may break the lamp or knock it 

loose from its socket. If the torch is dropped 

push the lamp back into the socket to reduce 

the chance of breakage if the torch is dropped 

again. It is best to ship the LC 100 with 

batteries in the torch. When shipping the LC 

100 without batteries, remove the Lamp 

Module and pack it separately in a padded 

container.

 

CAUTION

Reflector and Lamp Module can be

extremely hot after use. Can cause burns

 

CAUTION

HIGH VOLTAGE

Do not open reflector module when 

connected to batteries or power supply.

Optional Recharteable

Nicad Battery Pack

Observe

alignment

arrows on

battery and

inside case

Lamp Module

Reflector

Main 

O-ring

Bezel

Case

Switch

Pistol Grip

Lanern 

Grip

Observe

Alignment

Arrows

Wide Angle Filters

8 Alkaline C-Cell 

Batteries

AGA-2 fuse

located under 

plate

Push In to Lock

Pull Out to Unlock

Switch Operation

ON rotate CCW

OFF rotate CW

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