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Luna 4X Operating Instructions

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1. MAGNETIC SWITCH

Attention: the light uses a magnetic switch, so your compass reading may be off when you hold it 

close (within 5cm or 2”) to the black on/off switch.

2. CHARGE OF THE BATTERY

Only use the supplied Li-Ion charger to charge the battery. For best results, the battery should be 

charged at room temperature.

3. MAINTENANCE OF BATTERY

It is not recommended to discharge the battery after each dive. Complete discharge after every use 

may reduce life time of battery. We recommend the following service procedures:

• 

For storage remove battery from casing.

• 

Discharge and recharge the battery at least once every 6 months.

• 

Avoid deep discharge of the battery pack.

• 

Store battery with approximately a 30-60% partial charge in a dry and cool place.

• 

Charge fully before each dive.

• 

The storage of a fully discharged battery may cause permanent damage to the battery.

4. BATTERY PROTECTION CIRCUIT

The integrated protection circuit protects the battery from overload, overcharge and deep discharge.

5. SAFETY LIGHT

The safety light on the rear side of the battery pack can be activated by switching the light 

into the TEST mode. It is activated as well if the main light is automatically turned off due to 

low battery voltage.

6. CHARGE LEVEL INDICATOR

The charge level indicator lights displays the available energy by taking into 

account charge and discharge currents. Over time the battery may not be able 

to hold 100% of the charge and the effect will be shown on the indicator. If the 

battery is only capable of holding 80% of its charge, the indicator will only show 

80% instead of the full 100% after a full charge. Note that the charge level 

indicator may be slightly out of synchronization with the effective available 

charge after a long period of time. A full discharge will synchronize the display.

INSTRUCTIONS

Summary of Contents for LUNA 4X

Page 1: ...For Professionals Who Know The Difference LUNA 4X Operating Instructions Operating Instructions Underwater Video Light ...

Page 2: ...battery at least every 6 months Remove the battery from casing when storing the light Charge the battery before every dive TABLE OF CONTENTS Instructions 3 Magnetic Switch 3 Battery Charging 3 Battery Maintenance 3 Battery Protection Circuit 3 Safety Light 3 Charge Level Indicator 3 Use in Air 4 How to Open the Casing 4 Maintenance 4 Storage and Transportation 4 Warranty 4 Liability 4 Safety Instr...

Page 3: ...e of a fully discharged battery may cause permanent damage to the battery 4 BATTERY PROTECTION CIRCUIT The integrated protection circuit protects the battery from overload overcharge and deep discharge 5 SAFETY LIGHT The safety light on the rear side of the battery pack can be activated by switching the light into the TEST mode It is activated as well if the main light is automatically turned off ...

Page 4: ...l amounts of silicone grease for lubrication If not treated the O ring will fail to provide proper sealing causing the light to malfunction Do not use sharp tools to remove the O ring Never use a battery which appears damaged In case of a damaged lamp contact your nearest KELDAN dealer Do not remove front glass cover high operating voltage O rings need to be replaced by KELDAN or an authorized dea...

Page 5: ...istance Never stare directly into the light SAFETY INSTRUCTIONS SPECTRAL POWER DISTRIBUTION CAUTION Possibly hazardous optical radiaton emitted from this product Do not stare at operating lamp May be harmful to the eye RISK GROUP 2 400 450 500 550 nm Spectral Power Distribution 600 650 700 BEAM ANGLE 60 40 20 0 20 40 60 degrees air water Beam Angle ...

Page 6: ...rendering index 82 CRI Ra Beam angle in water at 50 intensity 90 Beam angle in water at 25 intensity 110 TECHNICAL DATA Luminus Flux Candlepower Burn Time Electrical Power 6 000 lumen 2 600 candela 45 min 55 watts 4 600 lumen 2 100 candela 60 min 41 watts 3 200 lumen 1 400 candela 90 min 27 watts 2 500 lumen 950 candela 140 min 18 watts 1 700 lumen 750 candela 180 min 14 watts POWER SETTINGS ...

Page 7: ... Operating Instructions 7 KELDAN GmbH Bernstrasse 10 2555 Brügg Switzerland Tel 41 32 333 16 28 Fax 41 32 333 16 26 www keldanlights com contactus keldanlights com Subject to change without notice August 2014 ...

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