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 Using Flash Exposure Bracketing

Using Flash Exposure Bracketing

Flash exposure bracketing (FEB) lets you take three continuous pictures while automatically changing the flash 
exposure compensation between -3 and +3, once above and once below the set flash exposure. FEB is useful 
for shooting in situations in which it is difficult to determine the appropriate flash exposure.

The VX-760N supports FEB on cameras that offer the setting. To find out how to enable FEB, consult your 
camera’s instruction manual.

Summary of Contents for VX-760N

Page 1: ...VX 760N WIRELESS TTL FLASH User s Manual Inspiration strikes Inspiration strikes ...

Page 2: ...Introduction Copyright 2012 Gradus Group Bolt and other names of Bolt products are trademarks of Gradus Group Other product and corporate names mentioned herein are trademarks of their respective holders ...

Page 3: ... you ll enjoy Full compatibility with Nikon s i TTL metering system Wireless TTL control with multiple flash units and groups Flash exposure bracketing Multi stroboscopic mode Automatic and manual zoom from 24mm to 180mm Tilt and swivel head 7 down 90 up 180 right and 90 left Two inch backlit LCD Eight manual flash levels full to 1 128 power plus fine tuning by 1 3 Autofocus assist for low light p...

Page 4: ...nting the Flash 14 15 Turning on the Flash and Firing a Test 16 18 Extended Interface 19 20 Using the Automatic TTL Flash Mode 21 Locking Flash Value 22 Using Flash Exposure Compensation 23 Using Flash Exposure Bracketing 24 Using the Manual Flash Mode 25 26 Controlling Flash Coverage Zoom 27 29 ...

Page 5: ... Rear or Second Curtain Synchronization 33 34 Using the Multi Stroboscopic Mode 35 36 Using Your VX 760N as a Wireless Master or Slave 37 41 Positioning Slave Flash Units 41 42 Troubleshooting 43 44 Specifications Customer Service 45 Stroboscopic Reference Chart 46 FCC Notices 47 Limited Warranty 48 ...

Page 6: ...6 Overview VX 760N 2 1 4 5 6 3 7 8 10 11 12 13 15 14 16 17 19 20 22 21 18 9 ...

Page 7: ... foot 8 Extended interface cover 9 Power source socket 10 PC sync terminal 11 Flash head position indicator tilt 12 Flash head position indicator swivel 13 LCD 14 Sub button 15 Lock audio button 16 Pilot button 17 Mode button 18 Navigation buttons 19 Power switch 20 Flash ready light 21 Zoom position button 22 Battery compartment cover ...

Page 8: ...8 Overview Zoom ISO 23 24 25 30 31 32 33 35 36 37 34 38 43 26 27 28 29 41 42 ...

Page 9: ...Sound icon 32 Low battery icon 33 Thermal warning icon 34 Manual Stroboscopic flash output Flash exposure compensation value 35 Camera communication icon 36 S1 S2 wireless flash mode icon 37 Rear curtain sync icon 38 Camera aperture f stop Manual flash 1 3 stop increment Stroboscopic count Slave group Stroboscopic frequency Master channel 39 PC sync cord 40 Soft case 41 Stand Tripod mount ...

Page 10: ...Do not disassemble or attempt to repair this product yourself There are high voltage components inside that can produce a hazardous electric shock Keep this product and its batteries out of the reach of children Use only the power sources specified in this manual Always switch the flash off before changing the batteries Always install AA batteries of the same type brand and age Do not combine diff...

Page 11: ...r repair If you detect excessive heat smoke or a burning smell coming from the flash immediately stop operation and remove the batteries to prevent the product from igniting or melting Take the product to an authorized service center for repair Do not drop or otherwise cause a strong physical impact to the VX 760N as this can cause a malfunction that may cause it to explode or ignite Remove all ba...

Page 12: ...es of several types Lithium 1 5 V Nickel metal hydride Ni MH 1 2 V Alkaline 1 5 V Note For the fastest recycle times and longest battery life lithium or Ni MH batteries are recommended To install batteries make sure the VX 760N is turned off and follow these steps 1 Press on the battery compartment cover and slide it in the direction of the arrow to open it 2 Insert batteries in the orientations i...

Page 13: ... 1 2 3 1 2 1 2 When the battery power is low the low battery indicator will appear on the LCD the flash ready light will turn red for twenty seconds or longer and the flash will continuously beep for approximately ten seconds Important Replace all four batteries at the same time Do not mix battery types or brands or use old and new batteries together ...

Page 14: ...lash on your camera make sure the VX 760N is turned off and follow these steps 1 Rotate the locking wheel counterclockwise to loosen it 2 Slide the mounting foot all the way into your camera s hot shoe 3 Rotate the locking wheel clockwise until secure 2 3 1 ...

Page 15: ...to release the flash 2 Slide the mounting foot out of your camera s hot shoe Mounting the VX 760N on the included stand You can mount the VX 760N on the included stand in the same way you would mount it on your camera This allows you to set the flash up on a flat surface or to attach it to a tripod head light stand or clamp that has a compatible 1 4 20 screw mount ...

Page 16: ...dy light The flash ready light indicates the status of your flash Color of flash ready light Status of VX 760N Operation Green Flash ready Normal Red Recycling Normal Red for 20 seconds Battery low Replace batteries If the flash is mounted on your camera a flash icon will also appear in the camera s viewfinder To fire a test flash press the PILOT button ...

Page 17: ...er switch to turn the flash off completely LCD illumination When you turn the flash on or press any button the LCD will be illuminated for about six seconds Audio monitor The audio monitor feature causes the flash to emit one or more beeps to indicate the status of the flash Audio monitor Status of VX 760N Operation One beep Pressed button fired flash Normal Two beeps Flash ready Normal Long beep ...

Page 18: ...tton to confirm This will lock all of the buttons except for the power switch To unlock the device press and hold the LOCK AUDIO button until the lock icon disappears Important Make sure that slave mode is turned off when mounting the VX 760N on your camera Turn it on only when using the flash as an off camera wireless slave Overheating protection mode If the operating temperature of the VX 760N i...

Page 19: ...e of your flash and reduce the recycle time in between flashes Note When using an external power source the AA batteries must still be in the flash in order to operate PC Sync You can synchronize your VX 760N with a camera by running a PC cord between your camera and the VX 760N s PC sync terminal This lets you position the flash away from the camera thus giving you more lighting options Note The ...

Page 20: ...r an external power source plug the power cable Canon CZ type not included into the external power source socket B For PC sync plug the PC cord into the PC sync terminal Note When using both cables at the same time first insert the PC cord and then insert the power cord Very rarely a thick profiled PC cord will not fit at the same time as the power cable In that case use the supplied PC cord ...

Page 21: ...h on and press the MODE button repeatedly to cycle through the flash modes until the TTL mode indicator appears on the LCD 2 Make sure your camera is set to a programmed or automatic mode or on a priority mode such as aperture priority 3 Press the shutter release button on your camera halfway to ensure that the camera is communicating with the flash The camera s ISO and aperture settings will appe...

Page 22: ...et your camera to P S or A mode 2 Position the element of your scene that you want to be correctly exposed in the center of your viewfinder 3 Press the FV Lock button on your camera The flash will fire a test shot and lock its output level and an asterisk will appear next to the flash icon in the viewfinder 4 Reframe your image as desired and take the picture For more information about the FV Lock...

Page 23: ...y flash exposure compensation use the left and right navigation buttons to adjust by full stops and the up and down navigation buttons to fine tune in increments of one third The flash exposure compensation indicator will appear on the LCD Note When decreasing flash exposure compensation in increments of one third from a whole stop you will need to decrease it by one whole stop and then increase b...

Page 24: ...ically changing the flash exposure compensation between 3 and 3 once above and once below the set flash exposure FEB is useful for shooting in situations in which it is difficult to determine the appropriate flash exposure The VX 760N supports FEB on cameras that offer the setting To find out how to enable FEB consult your camera s instruction manual ...

Page 25: ... the manual mode turn the flash and camera on and follow these steps 1 Press the MODE button repeatedly to cycle through the flash modes until the manual mode indicator and the flash output level appear on the LCD Use the left and right navigation buttons to set the flash output and the up and down navigation buttons to fine tune 2 Set the exposure settings you want to use on your camera 3 Press y...

Page 26: ...se it to the next lowest setting and then fine tune it up For example when decreasing from 1 4 to 1 8 0 7 you will need to decrease to 1 8 and then increase to 1 8 0 7 When setting exposure settings on your camera the highest shutter speed available will be your camera s flash sync speed Tip For best results use a handheld light meter when shooting in manual flash mode ...

Page 27: ...automatic zoom mode when you zoom in with your camera lens the flash will automatically adjust to match the lens focal length and the LCD will display the closest zoom setting The available range is between 24mm and 180mm To enable automatic zoom control press the ZOOM button and then press the down navigation button so the manual zoom mode indicator on the LCD disappears Press the ZOOM button aga...

Page 28: ...ss the ZOOM button and then use the left and right navigation buttons to adjust the focal length settings Press the up navigation button to skip directly to 180mm or press the down navigation button to return to auto zoom control Press the ZOOM button again to confirm your selection The available manual zoom positions are 24 28 35 50 70 85 105 120 135 and 180mm Tip Manual zoom can also be used to ...

Page 29: ...flash an angle of coverage equivalent to that of an 18mm lens To use the diffuser 1 Pull the diffuser and reflector panels out of their slot in the flash head 2 Push the reflector back in and let the diffuser lay flat against the flash lens The diffuser also softens the light providing an alternative when no surface is available for bouncing the flash see Bouncing Your Flash on page 30 1 2 ...

Page 30: ...mera s shutter release button halfway in order to autofocus The camera will then be able to autofocus by locking onto the projected light Note The autofocus assist light is available only when your camera s autofocus system is set to AF A or AF S It is not available when AF C is selected Bouncing Your Flash The VX 760N flash head can tilt down to 7 and up at 45 60 75 and 90 angles to the lens It c...

Page 31: ...wn by seven degrees in order to fully illuminate your subject when shooting close up photography When bouncing your flash you may need to adjust your exposure settings since there will be less light falling on your subject The farther away the bounce surface and your subject are the less illumination there will be Tip Bouncing your flash off colored surfaces can create a color cast in your images ...

Page 32: ... To create catchlights in your subjects eyes when bouncing your flash follow these steps 1 Pull the built in reflector and diffuser panels all the way out of their slot in the flash head Push the diffuser back in while leaving the reflector extended 2 Position the flash head at the 90 angle pointing straight up to bounce your flash off the ceiling or an overhead reflector 1 2 ...

Page 33: ...he flash will freeze the moving subject and the long exposure will cause motion blur and light trails to appear in the image especially in low light This slow sync flash technique also known as dragging the shutter can be applied in two different ways The first which is called front curtain or first curtain flash sync synchronizes the flash with the camera s shutter release so that the flash fires...

Page 34: ...ment and is most often preferable to front curtain sync When rear curtain sync is activated the rear curtain sync icon appears on the LCD The VX 760N supports rear curtain sync modes on cameras that offer the setting Consult your camera s instruction manual to find out how to activate it Use your camera s shutter priority or manual mode to control the amount of blurring and light trails you captur...

Page 35: ... fast objects because the flash can pulsate faster than the camera lens can open and close To enable the multi mode turn on the flash and camera and follow these steps 1 Press the MODE button repeatedly to cycle through the flash modes until the multi mode and flash output level indicators appear on the LCD Use the left and right navigation buttons to set the flash output 2 Set the number of flash...

Page 36: ...own navigation buttons for the minimum and maximum frequencies When the desired stroboscopic frequency number appears on the LCD press the MODE button to select it 4 To determine the appropriate shutter speed divide the stroboscopic count number the number of flashes per frame by the stroboscopic frequency number the frequency of the flash For example If the number of flashes per frame is 10 and f...

Page 37: ...in order to learn how to work with multiple wireless flash units Master This can be the camera s built in flash a flash unit mounted on the camera or a dedicated wireless controller The master controls how the slave flashes operate in wireless TTL mode Only one master flash is allowed in a multiple flash photography setting Note that not all cameras and flashes offer master capability Slave or rem...

Page 38: ...ed by the master unit of another photographer working with the same type of system nearby Setting the master mode To set the VX 760N flash unit to function as a TTL or manual master follow these steps 1 Press the MODE button repeatedly to cycle through the flash modes until the wireless flash mode icon and the group and channel settings appear on the LCD 2 Set the flash mode for each group by pres...

Page 39: ...d the disabled groups will not appear on the LCD 4 Use the left and right navigation buttons to adjust the flash compensation value or manual power and the up and down buttons to fine tune Press the SUB button to confirm your selection 5 Repeat steps 2 through 4 for each group 6 Set the channel by pressing the SUB button again until the channel number blinks Use the left and right navigation butto...

Page 40: ...ressing the SUB button to make the channel number blink Use the left and right navigation buttons to cycle through channel numbers 1 4 When the desired channel number appears on the LCD press the MODE button to select it 4 Set the group by pressing the SUB button until the group letter blinks Use the left and right navigation buttons to cycle through groups A C When the desired group appears on th...

Page 41: ...the second as a fill light on 1B and set the third as a hair light on 1C With this setup you have the option of setting each group to a different slave mode via the master flash If desired you can set the main on 1A to TTL mode the fill light on 1B to manual mode and you may elect to disable the hair light on 1C Positioning Slave Flash Units You can create a professional lighting setup by position...

Page 42: ...on the ambient light The flash head should not be aimed directly into the camera lens The wireless TTL sensor is located on the front of the VX 760N Make sure that the sensor is facing the master flash and that there are no obstructions between the two units When photographing outdoors or in bright ambient light the sensors can be overwhelmed by ambient light which will lower their sensitivity To ...

Page 43: ... camera Page 14 Make sure that the electrical contacts on the foot of the flash are not dirty Clean them and try again The flash has entered overheating protection mode Turn the unit off for ten minutes to let it cool down Page 18 The flash buttons don t respond The control buttons are locked Page 18 There s a whining sound coming from the flash This is normal and does not indicate a malfunction W...

Page 44: ...tween the two Page 42 The ambient light may be too high Page 42 The edges of the images look dark Make sure that the flash zoom setting corresponds to the focal length of your lens Page 27 Your lens is wider than 24mm Use the built in wide angle diffuser Page 29 The bottom of the images look dark To fully illuminate your subject when shooting close up photography tilt the flash down to the 7 posit...

Page 45: ...e power output 1 1 1 2 1 4 1 8 1 16 1 32 1 64 1 128 fine tuning in increments of 1 3 Wireless transmission method Optical pulse Wireless transmission range Up to approximately 33 feet 10 m Wireless channels 4 Controllable wireless slave groups 3 Power source 4 AA lithium Ni MH or alkaline batteries optional external power source Tilt positions 7 0 45 60 75 90 Swivel range Right 0 180 Left 0 90 Dim...

Page 46: ...of flashes possible for any given frequency flash output combination Frequency Hz Flash output level 1 8 1 16 1 32 1 64 1 128 1 2 3 14 30 60 90 90 4 12 20 50 80 80 5 10 20 40 70 70 6 8 20 32 56 56 7 6 20 28 44 44 8 6 20 24 36 36 9 5 10 22 32 32 10 5 10 20 28 28 20 30 40 50 60 70 80 90 100 4 8 12 24 24 ...

Page 47: ...e instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference which can be determined by turning the equipment off and on the user is encouraged to try to correct to the interference by one or more of the following measures re orient or re locate the...

Page 48: ...tain warranty coverage during the Warranty Period contact your place of purchase Seller to obtain a return merchandise authorization RMA number and return to Seller the defective product along with proof of purchase and the RMA number This warranty does not extend to damage or failure which results from misuse neglect accident alteration abuse improper installation or maintenance EXCEPT AS PROVIDE...

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