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Contents

GN58 (m ISO 100, @105mm). Adjust from 1/1 to 1/128 in 1/3rd stops
Pro 2000 mAh Li-ion Battery---max. 1.5s recycle---650 full power pops
Super value and no messing with AA's, external power pack, chargers
High speed sync, car charging, power & trigger control, MULTI function
Stable consistency and color temperature with good even lighting
User-friendly LCD display & control panel, max. 3 steps to setting up

Always keep this product dry. Do not use in rain or in damp conditions.

This product contains high-voltage electronic parts. Touching the high-voltage 
circuit inside it may result in electric shock. Do not disassemble. Should repairs 
become necessary, this product must be sent to an authorized maintenance 
center.

Stop using this product if it breaks open due to extrusion, falling or strong hit. 
Otherwise, electric shock may occur if you touch the electronic parts inside it.

Do not fire the flash directly into the eyes (especially those of babies) within short 
distances. Otherwise visual impairment may occur. When taking pictures for 
babies, keep the flash unit at least 1 meter (3.3 feet) away from them. Using 
bounce flash to reduce light intensity is also recommended.

Do not use the flash unit in the presence of flammable gases, chemicals and 
other similar materials. In certain circumstances, these materials may be 
sensitive to the strong light emitting from this flash unit and fire or 
electromagnetic interference may result. 

Do not leave or store the flash unit in places where the ambient temperature 
reads over 50°C (e.g. in automobile). Otherwise the electronic parts may be 
damaged.

Before using this product

Please read this user manual carefully in order to ensure your safety and the proper 
operation of this product. Keep for future reference.

Thank you for purchasing a CHEETAH product.

V850 is the world's first Li-ion powered camera flash, pioneering innovation in the 
industry. Instead of AA batteries and external power pack (to reduce recycle time),  

     

 

V850 draws power from the professional Li-ion battery. This obviously enhances 
recycle, runtime, mobility, and portability performance. Fit all DSLR camera brands 
e.g. Canon, Nikon, Sony, etc. This V850 camera flash features:

Foreword

For Your Safety

03

   

Foreword

03

   

For Your Safety

05

   

Names of Parts

05

   

 

Body

05

   

 

Control Panel

05

   

 

LCD Panel

06

   

 

What's in the Box of V850 Kit?

06

   

 

What's in the Box of V850 (only flash unit)?

06

   

 

Separately Sold Accessories

06

   

Battery

06

   

 

Features

07

 

 

  

 

Cautions

07

   

 

Loading and Unloading the Battery

07

   

 

Battery Level Indication

08

   

Attaching to a Camera

08

   

Using the Flash

08

 

 

 

 

Power Management

08

   

 

Flash Output

09

   

 

ZOOM: Setting the Flash Coverage

09

   

 

M Mode

09

   

 

S1 Mode

09

   

 

S2 Mode

09

   

 

RPT Mode

10

   

     

  Hi-Speed Sync Triggering

11

  

  

 

Custom Function----Focus Assist Beam

11

   

 

Buzz Function

11

   

 

Wireless Control Function

12

   

 

Sync Triggering

12

   

 

Custom Function----Sleep Function

12

   

Protection Function

12  

  

 

Over-Temperature Protection

13  

  

 

Other Protections

13

   

Advanced Application

14

   

Technical Data

14  

  

Maintenance

Summary of Contents for V850

Page 1: ...Instruction Manual Pioneering Li ion Camera Flash Cheetah Light LLC www cheetahstand com info cheetahstand com ...

Page 2: ...t and fire or electromagnetic interference may result Do not leave or store the flash unit in places where the ambient temperature reads over 50 C e g in automobile Otherwise the electronic parts may be damaged Before using this product Please read this user manual carefully in order to ensure your safety and the proper operation of this product Keep for future reference Thank you for purchasing a...

Page 3: ...harge overdischarge overcurrent and short circuit 3 Take only 2 5 hours to fully charge the battery by using the standard battery charger Name of Parts 01 Catchlight Panel 02 Built In Wide Panel Retracted 03 Flash Head 04 Optic Control Sensor 05 Focus Assist Beam 06 Wireless Control Port 07 Sync Cord Jack 08 Hotshoe 09 Lock Ring 10 Li ion Battery Compartment Body LCD Panel 11 Mode Selection Button...

Page 4: ...s in terms of f stop when you increase or decrease the flash output Figures displayed when reducing flash output level Figures displayed when increasing flash output level Attaching to a Camera Using the Flash 1 Do not short circuit 2 Do not expose to rain or immerse into water This battery is not water proof 3 Keep out of reach of children 4 No over 24 hours continuous charging 5 Store in dry coo...

Page 5: ...In this mode you can set the flash unit onto your camera hot shoe or your trigger hot shoe for firing Before shooting adjust the flash power output When the camera s shutter is pressed the flash will fire synchronously Slave triggering mode is not available in M mode 5 S1 Mode S1 Slave Triggering Mode Press Mode Selection Button 11 to enter S1 mode In this mode the flash unit can function as a sla...

Page 6: ...ng mode Power Output 1 1 1 2 0 3 0 7 1 4 0 3 0 7 1 8 0 3 0 7 1 16 0 3 0 7 1 32 0 3 0 7 1 64 0 3 0 7 1 128 0 3 0 7 Times 10 15 20 30 To avoid overheating or deteriorating the flash head during high speed sync flash the over temperature protection function will be activated automatically after 10 continuous high speed flashes and the recycle time becomes 10 seconds longer 9 Custom Function Focus Ass...

Page 7: ... Output Level 1 1 1 2 0 7 1 2 0 3 1 2 1 4 0 3 0 7 2 Other Protections The system provides real time protection to secure the device and your safety The following lists prompts for your reference Prompts on LCD Panel E0 E1 E2 E3 Meaning A failure occurs on the temperature sensor Please send this kit to a maintenance center A failure occurs on the recycling system so that the flash cannot fire Pleas...

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