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Flash Mode—E-TTL Autoflash

This flash has three flash modes: 

E-TTL

, Manual (

M

), and 

Multi

 

(Stroboscopic). In 

E-TTL

 mode, the camera and the flash will work 

together to calculate the correct exposure for the subject and the 

background. In this mode, multiple TTL functions are available: 

FEC, FEB, FEL, HSS, second curtain sync, modeling flash, control 

with the camera’s menu screen.

* Press < 

MODE

 > Mode Selection Button and three flash modes 

will display on the LCD panel one by one with each pressing.

ETTL Mode 

Press < 

MODE

 > Mode Selection Button to enter E-TTL mode. The 

LCD panel will display.

● 

Press the camera release button halfway to focus. The aperture 

and effective flash range will be displayed in the viewfinder.

● 

When the shutter button is fully pressed, the flash will fire a pre-

flash that the camera will use to calculate exposure and flash 

output the instant before the photo is taken. 

FEC: Flash Exposure Compensation

With FEC function, this flash can adjust from -3 to +3 in 1/3rd stops. 

It is useful in situations where minor adjusting of the TTL system is 

needed based on the environment. 

Setting FEC:

Set the flash exposure 

2

compensation amount.

● 

Turn the Select Dial to set 
the amount.  

● 

“0.3”means 1/3 step, 
“0.7”means 2/3 step.

● 

To cancel the flash 
exposure compensation, 
set the amount to “+0”.

Press Set Button again to 

3

confirm the setting.

Press Function Button 2 

      

1

Press the <+/-> button. The 

icon <

     

 > and flash 

exposure compensation 

amount will be highlighted on 

the LCD panel.

C.Fn

C.Fn

Disabling Auto Power Off function is recommended when 

the flash is used off camera. (C.Fn-

STBY

, Page 

2

5)

 

Slave 

Auto Power Off Timer is set to 60 minutes by default. 

Another option “30 minutes” is available. (C.Fn-Sv STBY, 

Page 

2

5)

FEB: Flash Exposure Bracketing

You can take three flash shots while automatically changing the 

flash output for each shot from -3 to +3 in 1/3rd stops. The camera 

will record three images with different exposures: one exposed 

according to camera calculations, one over-exposed and another 

under-exposed. Over and under exposure amount is user 

adjustable. This function helps get correct exposure especially in 

shooting moving objects or when environmental lights are complex.

Press function button 3 

       

1

<

          

 >. The icon <  

      

and the exposure bracketing 
amount will be highlighted on 
the LCD panel.

Press Set Button again to 

3

confirm the setting. Then 

your 

FEC

 and 

FEB

 settings 

are displayed on the LCD 

panel.

FEB will be cancelled after three photos are taken. 

 

For best results, set the camera drive mode to “single” and 

ensure the flash is ready before shooting.

FEB can be used with FEC and FEL.

           You can prevent the FEB from being cancelled 

automatically after three photos are taken. (C.Fn-

FEB ACL , Page 

2

5)

C.Fn

FEB

Set the flash exposure 

2

compensation amount.

● 

Turn the Select Dial to set 
the amount.

● 

“0.3”means 1/3 step, 
“0.7”means 2/3 step.

FEL: Flash Exposure Lock

FEL

 

can  lock  the  correct  flash  exposure  setting  for  any  part  of  the 

scene. 

With <

ETTL

> displayed on the LCD panel, press the camera’s 

<

FEL

> button. If the camera does not have the <

FEL

> button, 

press the < 

*

 > button.

Focus the subject.

1

Press the <

FEL

> button.

2

● 

Aim the subject at the center of 
the viewfinder and press <

FEL

button.

● 

The camera flash will fire a 
preflash and the required flash 
output for the subject is retained 
in memory.

● 

Each time the <

FEL

> button is 

pressed, a preflash will be fired 
and a new flash exposure 
setting will be locked.

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1  -

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1

2  -

Summary of Contents for GIO 1 C

Page 1: ...safety and the proper operation of this product Keep for future reference 705 V1C000 00 Made In China TTL Li ion Round Head Camera Flash PIXAPRO LTD 50 Popes Lane Oldbury West Midlands B69 4PA Tel 01...

Page 2: ...urn off the flash unit immediately in the event of malfunction Thank you for purchasing this product This GIO1 C camera flash applies to Canon EOS series cameras and is compatible with E TTL II autofl...

Page 3: ...omatic Wireless Flash Shooting ETTL Use the Wireless Flash Shooting of Flash Ratio M Wireless Flash Shooting with Manual Flash Multi Wireless Flash Shooting with Manual Flash Other Applications Sync T...

Page 4: ...Flash The display will only show the settings currently applied The functions displayed above function buttons 1 to 4 such as and A B C D change according to settings status When a button or dial is...

Page 5: ...s a Master Unit 2 4G Radio Transmission As a Slave Unit What s in the Box of GIO1 C 1 Flash Unit 2 Lithium Battery 3 USB Battery Charger 4 USB Line 5 Charger 6 Mini Stand 7 Protection Case 8 Instructi...

Page 6: ...lank grid Blinking Attaching to a Camera Attach the Camera Flash 1 Rotate the hotshoe fixing buckle to the left and insert the camera flash into the camera s hotshoe Secure the Camera Flash 2 Rotate t...

Page 7: ...r Off Timer is set to 60 minutes by default Another option 30 minutes is available C Fn Sv STBY Page 25 FEB Flash Exposure Bracketing You can take three flash shots while automatically changing the fl...

Page 8: ...at is displayed on the LCD panel Press Function Button 2 1 so that is displayed Check that is 2 displayed in the viewfinder SYNC SYNC SYNC The flash output is adjustable from 1 1 full power to 1 256th...

Page 9: ...he shutter closes or the battery is exhausted The number of flashes will be limited as shown by the following table MULTI Hz Maximum Stroboscopic Flashes Flash output Hz Flash output Wireless Flash Sh...

Page 10: ...Shooting A C D Ceiling Manual flash B E TTL II The flash mode settings are indicated only as an example Shooting with a Different Flash Mode set for Each Group Manual flash Manual flash A B A B C Sla...

Page 11: ...CH ID BEEP STBY SCAN 22 08 32 23 30 21 07 06 6 ETTL Fully Automatic Wireless Flash Shooting Using Automatic Wireless Flash with a Single Slave Unit Master Unit Setting 1 Attach a GIO1 C camera flash o...

Page 12: ...lave unit automatically The slave unit does not need any operation Use the following settings to make wireless flashes according to the same methods with normal flash shooting Page 11 Flash Exposure C...

Page 13: ...ou find the auto focus assist beam does not light up this is because the camera has got a correct autofocus Position Center Periphery Effective Range 0 6 10m 2 0 32 8 feet 0 6 5m 2 0 16 4 feet Bounce...

Page 14: ...nu screen For the menu operation procedure refer to your camera s instruction manual Setting Camera Flash Functions The following flash functions are settable according to different flash modes 1 Flas...

Page 15: ...d during the upgrading process Please using the correct firmware upgrade method Prompts on LCD Panel E1 E2 E3 E9 Technical Data GIO1 C Canon EOS cameras E TTL II autoflash 76Ws 28 to 105mm Auto zoom F...

Page 16: ...ash output Photos have dark corners or only parts of the target subject are illuminated The focal length of lens exceeds the flash coverage Check the flash coverage you set This flash unit has the fla...

Page 17: ...installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installatio...

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