PocketWizard FlexTT5-Canon Manuel du propriétaire télécharger pdf (Page 8)

Pre-Flash Boost Mode:

In certain E-TTL situations, especially when shooting in full sun or over long distances, the normal pre-ash

is simply not enough for the camera to see. Now, when Pre-Flash Boost is engaged, you get a pre-ash

that is two stops brighter. This will approximately double the distance that the camera can make sense of

the pre-ash E-TTL information or help compensate for the reduced output caused by a diffuser over the

ash or a bounced ash.

Pre-Flash Boost can be engaged for your on-camera ash by simply angling the ash head in any direction

other than the standard 90º position.

Pre-Flash Boost is engaged on a remote FlexTT5 by default, regardless of ash head position.

The PocketWizard Utility allows you to set Pre-Flash Boost modes independently for a local/on-camera ash

or a remote ash. This is done on the Flash Tab.

“Local Preash Boost Mode” is for a ash mounted on the MiniTT1 or FlexTT5 when it is used as a

transmitter on the camera.

“Remote Preash Boost Mode” is for a ash mounted on the FlexTT5 when used as a remote receiver.

Setting this mode on a FlexTT5 used as a transmitter will not engage Pre-Flash Boost for other FlexTT5

radios used as remote receivers. It must be set on each remote FlexTT5 individually.

- “Force Preash Boost” turns Pre-Flash Boosts on full-time (helpful when using diffusers). This is the

default setting for a remote FlexTT5.

- “Auto Preash Boost” enables Pre-Flash Boost whenever the ash head is rotated in any direction other

than the standard 90º position. In the standard 90º ash head position, Pre-Flash Boost will not be used.

This is the default setting for a MiniTT1 or FlexTT5 used as a transmitter.

- “Disable Preash Boost” turns Pre-Flash Boost off.

Pre-Flash Boost is compatible with the following Speedlites only: 580EX, 580EX II, 430EX, 430EX II, 270EX

Pre-Flash Boost is not compatible with the following Speedlites and will be automatically disabled: 220EX,

550EX, 420EX

It is also not compatible with the Metz 58 AF-1 or 48 AF-1 Canon. When using these ashes you must

manually set both Pre-Flash Boost modes to “Disable Preash Boost” in the Utility.

Other New Features

- FEC (Flash Exposure Compensation) can now be set directly on a Speedlite in the shoe of a remote

FlexTT5.

- Continuous triggering added for bottom shoe input when in Basic Trigger Mode. This allows you to trigger

a remote camera for a continuous motor drive burst. Connect a footswitch or other button via the

transmitting MiniTT1 or FlexTT5 radio’s hot shoe to use this mode.

- Test button on FlexTT5 Transmitter starts local relay sequence on camera motor drive allowing you to

easily test your relay set-up.

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PocketWizard FlexTT5-Canon Manuel du propriétaire Page 8