The Other YN-622C User Guide v.4.09
11/12/2014
Part III – C-TX Controller Page 40 of 64
Using Flash Exposure Lock FEL
• FEL is processed entirely in-camera.
• The C-TX works fully with FEL.
• Both Global FEC and Group FEC as set on the C-TX will be applied.
Enable Ratio and Back Lighting
[E/M] or External Flash menus
Either the C-TX can set an E-TTL Ratio:
• Long- press [E/M] until TTL and Global FEC shows
• Long press [*] until the Ratio screen shows.
• Line 2 shows ratio graphically e.g. |||| A:B ||. It
provides a quick check on the setting, but is not
precise. There can be up to 8 bars on one side (left or
right) to 1 bar on the other side.
• Line 4 shows ratio in steps and half-steps, e.g. 4:1.
Range: 8:1 4:1 2:1 1:1 1:2 1:4 1:8
Line 5 shows Global FEC.
• Press [Gr] to move between lines 4 and 5.
Press [Up], [Down]. [Left], [Right] to change a value.
• Long press [*] until C (background) shows.
• Line 6 shows Group C’s FEC.
Use [Gr], etc to select and change a value.
• Long press [E/M] twice to return to Groups screen and cancel the operation.
Or the camera can set an E-TTL Ratio:
• In the camera’s External Flash / Wireless Firing Group
Set A:B or A:B C as the firing group.
Set an A;B ratio, and an FEC for C if required.
• The C-TX will open the Ratio screen with the camera’s values.
Enable FEB
[E/M] plus External Flash menus
Flash Exposure Bracketing is controlled from the camera’s
External Flash menus.
• FEB Auto Cancel: In External Flash Custom Fn / FEB
Auto Cancel, set to Disable if multiple bracket sets are
wanted.
• FEB Sequence: In External Flash Custom Fn / FEB
Sequence, set to 0 - +, or - 0 +.
• FEB Range: In External Flash functions / FEB, set an
FEB range.
• The C-TX will display the TTL screen, with a 3-image icon on the right.
• Press Shutter 3 times to complete the bracket.
• If External Flash C.Fn / FEB Auto Cancel is set to Enable:
FEB mode will be cancelled
the icon will disappear
the FEB range will be zero.
• Repeat the FEB range setting to take another set.
• Long press [E/M] twice to return to Groups screen.
• Warning: If External Flash C.Fn / FEB Auto Cancel is set to Disable, the function will remain
in force. To cancel the mode, return to the External Flash menu and set FEB range to zero.
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