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Technical Data

Troubleshooting

If there is a problem, refer to this Troubleshooting Guide.

The Camera Flash cannot be charged.

● 

The battery is installed in the wrong direction.

   →

Install the battery in the correct direction. 

● 

The camera flash’s internal battery is exhausted.

   →

If <       > appears and blinks on the LCD panel, replace the 

battery immediately.

The Camera Flash does not fire.

● 

The camera flash is not attached securely to the camera.

   →

Attach the camera’s mounting foot securely to the camera.

● 

The electrical contacts of the Camera Flash and camera are dirty.

   →

Clean the contacts.

● 

<      > or <      > is not displayed in the view finder of camera.

   →

Wait until the flash is fully recycled and the flash ready indicator 

lights up.

   →

If the flash ready indicator lights up, but <      > or <      > is not 

displayed in the view finder, check whether this flash unit is 

securely attached to the camera hotshoe.  

   

If the flash ready indicator does not light up after a long wait, 

check whether the battery power is enough. If the battery power is 

low, <       > will appear and blink on the LCD panel. Please 

replace the battery immediately.

The power turns off by itself.

● 

After 90 seconds of idle operation, auto power off took effect if the 

flash is set as master.

   →

Press the shutter button halfway or press any flash button to 

wake up.

● 

After 60 minutes (or 30 minutes) of idle operation, the flash unit 

will enter sleep mode if it is set as slave.

   →

Press any flash button to wake up.

Auto zoom does not work.

● 

The camera flash is not attached securely to the camera.

   →

Attach the camera flash’s mounting foot to the camera.

The flash exposure is underexposed or overexposed.

● 

There was a highly reflective object (e.g. glass window) in the 

picture.

   →

Use FE lock (

FEL

).

● 

You used high-speed sync.

   →

With high-speed sync, the effective flash range will be shorter. 

Make sure the subject is within the effective flash range 

displayed.

● 

You used Manual Flash mode.

   →

Set the flash mode to 

ETTL

 or modify the flash output.

-  25  -

-  26  -

V860C Kit (with battery & charger)

V860C (only flash unit)

Canon EOS cameras (E-TTL II autoflash)

58 (m ISO 100)

190 (feet ISO 100)

24 to 105mm (14mm with wide panel)

• Auto zoom (Flash coverage set automatically 

  to match the lens focal length and image size)

• Manual zoom

• Swinging/tilting flash head (bounce flash): 0 to 360° 

  horizontally and -7° to 90° vertically

1/300 to 1/20000 seconds

E-TTL II autoflash and manual flash

Manual. FEB: ±3 stops in 1/3 stop increments 

(Manual FEC and FEB can be combined.)

With <

FEL

> button or< 

*

 > button

High-speed sync (up to 1/8000 seconds), 

first-curtain sync, and second-curtain sync

Provided (up to 100 times, 199Hz)

Master, Slave, Off

3 (A, B, and C)

Indoors: 12 to 15 m / 39.4 to 49.2 ft.

Outdoors: 8 to 10 m / 26.2 to 32.8 ft.

Master unit reception angle: ±40° horizontally, 

±30° vertically

4 (1, 2, 3, and 4)

Two red indicators blink

Fired with camera’s depth-of-field preview button

Center: 0.6~10m / 2.0~32.8 feet

Periphery: 0.6~5m / 2.0~16.4 feet

11.1V/2000mAh Li-ion polymer battery

< 1.5 seconds. Red LED indicator will light up 

when the flash is ready.

Approx. 650

Power off automatically after approx. 90 seconds 

of idle operation. (60 minutes if set as slave)

Hotshoe, 2.5mm sync line, Wireless control port

5600±200k

64*76*190 mm

420g

540g

Kit Model

Flash-Only Model

• Type

Compatible Cameras

Guide No. 

(1/1 output @ 105mm)

Flash Coverage

Flash Duration

• Exposure Control

Exposure control system

Flash exposure 

compensation (FEC)

FE lock

Sync mode

Multi flash

• Wireless Flash

Wireless flash function

Controllable slave groups

Transmission range 

(approx.)

Channels

Slave-ready indicator

Modeling flash

• Auto Focus Assist Beam

Effective range (approx.)

• Power Supply

Power source

Recycle time

Full power flashes

Power saving

• Sync Triggering Mode

• Color Temperature

• Dimensions

W x H x D

Weight without battery

Weight with battery

Summary of Contents for V860c

Page 1: ...on Camera Flash 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 Cheetah Light LLC www cheetahstand com info cheetahstand com ...

Page 2: ...o 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 Thank you for purchasing this product Series is a original product and the world s first Li ion powered camera flash pioneering innovation in the industry The LiPo battery obviously enhances recycle runtime mobility and portability performance ...

Page 3: ...nication Channel Setting the Flash Output for Slave Units Other Applications Wireless Control Function Sync Triggering Modeling Flash Auto Focus Assist Beam Bounce Flash Creating a Catchlight ZOOM Setting the Flash Coverage and Using the Wide Panel C Fn Setting Custom Functions Control with the Camera s Menu Screen Protection Function Technical Data Troubleshooting Firmware Upgrade Compatible Came...

Page 4: ...h OFF Exit Master Slave Slave Flash 01 Catchlight Panel 08 Hotshoe 02 Built in Wide Panel 09 LCD Panel 03 Flash Head 10 Lock Ring 04 Optic Control Sensor 11 Li ion Battery Compartment 05 Focus Assist Beam 12 USB Port 06 Wireless Control Port 13 Slave Flash Ready 07 Sync Cord Jack Indicator Body 14 Mode Selection Button 17 LCD Panel Illumination 15 Zoom Button Wireless Custom Function Button Select...

Page 5: ...indication on the LCD panel to see the remaining battery level Meaning Full Middle Low Battery Level Indication Blinking Battery What s in the Box of V860C Kit 1 4 Battery Charger Cable 5 Mini Stand 6 Protection Case 7 Instruction manual Flash unit 2 Li ion Battery Pack 3 Battery Charger Separately Sold Accessories The product can be used in combination with the following accessories sold separate...

Page 6: ...h each pressing ETTL Mode Press Mode Selection Button to enter E TTL mode The LCD panel will display ETTL When this icon appears on the LCD panel it means the flash unit is at the max power output If still underexposure please make settings on your camera in terms of shutter speed aperture ISO etc Press the camera release button halfway to focus The shutter speed and aperture will be displayed in ...

Page 7: ...ct and try the FE lock again If ETTL is not displayed on the LCD panel FE lock cannot be set If the subject is too small FE lock might not be very effective If you set a shutter speed that is the same as or slower than the camera s maximum flash sync speed will not be displayed in the viewfinder With high speed sync the faster the shutter speed the shorter the effective flash range To return to no...

Page 8: ...ber of flashes will be as shown in the following table regardless of the flash frequency Flash Output Number of Flashes 1 4 2 1 8 4 1 16 8 1 32 12 1 64 20 1 128 40 Wireless Flash This product supports wireless flash application and functions as either a master or a slave unit As a master unit it can control Canon speedlites e g 580EXII 600EX RT via wireless As a slave unit it can receive wireless ...

Page 9: ...ss setting to OFF Indoors Outdoors 15m 49 2ft 10m 32 8ft 80 8m 26 2ft 12m 39 4ft Any flash settings of flash exposure compensation high speed sync FE lock FEB manual flash Multi flash on the master unit will be automatically sent to the slave units So the only thing you need to do is to set the master unit to ETTL mode without any operation for the slave units at all during the shooting This flash...

Page 10: ... Flash This uses E TTL autoflash to control the total flash output and make all groups of flashes fire at an average of the total flash output Attach a camera flash 1onto the camera and set it as the master unit No matter where the slave unit s flash head is towards be sure to make its wireless sensor faces the master unit Also ensure that the slave unit is placed within the effective transmission...

Page 11: ... 10 consecutive times If you fire the modeling flash 10 consecutive times allow at least 10 minutes break for the camera flash The modeling flash cannot be fired with the EOS 300 and Type B cameras Auto Focus Assist Beam In poorly lit or low contrast shooting environments the built in auto focus assist beam will automatically light on to make it easier for autofocus The beam will light up only whe...

Page 12: ... is too far away the bounced flash might be too weak and result in underexposure The wall or ceiling should be a plain white color for high reflectance If the bounce surface is not white a color cast may appear in the picture Creating a Catchlight With the catchlight panel you can create a catchlight in the subject s eyes to add life to the facial expression Point the flash head upward 1by 90 Pull...

Page 13: ...ttings will take effect Protection Function 1 Over Temperature Protection To avoid overheating and deteriorating the flash head do not fire more than 30 continuous flashes in fast succession at 1 1 full power After 30 continuous flashes allow a rest time of at least 10 minutes If you fire more than 30 continuous flashes and then fire more flashes in short intervals the inner over temperature prote...

Page 14: ... be shorter Make sure the subject is within the effective flash range displayed You used Manual Flash mode Set the flash mode to ETTL or modify the flash output 25 26 V860C Kit with battery charger V860C only flash unit Canon EOS cameras E TTL II autoflash 58 m ISO 100 190 feet ISO 100 24 to 105mm 14mm with wide panel Auto zoom Flash coverage set automatically to match the lens focal length and im...

Page 15: ...uous flashes if unnecessary Maintenance of the flash must be performed by our authorized maintenance department which can provide original accessories This product except consumables e g flash tube is supported with a one year warranty Unauthorized service will void the warranty If the product had failures or was wetted do not use it until it is repaired by professionals Changes made to the specif...

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