The Other YN-622C User Guide v.4.09
11/12/2014
Part III – C-TX Controller Page 39 of 64
EXPOSURE MODES
Selecting a Group’s Settings [Gr]
• [GR] cycles through the three lines – Group s A, Group
B and Group C.
• The arrow head on the left indicates which row is
active.
• Changes in Groups will time out to end the operation.
• [Gr] also cycles through the three lines in some other
screens.
Set Group Exposure Mode [Mode]
• Default is TTL. (“TTL” means either E-TTL or E-TTL II,
depending on camera body. It does not mean Canon’s
TTL for film cameras.)
• Select the required Group (has the left-hand arrow).
• Press [Mode] repeatedly to cycle through that group’s
exposure modes - TTL (E-TTL), M (Manual), SS
(Super Sync), and Off.
• The setting mode will quickly time-out.
• Ensure that the value for TTL or M is appropriate.
E-TTL Mode
Set Group FEC
[Left] [Right] [Up] [Down]
• Ensure that the required Group is active and in TTL mode.
• Default is 0.0 FEC.
• Use [Left], [Right], [Up], [Down] to change FEC value between -3 f/stops to +3 f/stops in 0.3
or 1.0 steps.
• The setting mode will quickly time-out.
Set Global FEC
[E/M]
An over-all FEC can be set either on-camera, or by pressing
[E/M].
Use this feature for flash exposure bracketing (manual FEB),
or to compensate for overall subject tonality or inconsistent
camera under-exposure.
• Default is 0.0 Ev.
• Long-press [E/M]. The screen will show “TTL”, and a
global FEC value.
• Use [Left], [Right], [Up], [Down] to change FEC value
between -3 f/stops and +3 f/stops (Ev), in 0.3 and 1.0 steps..
• Leave the screen open to take a manual bracket of shots at different exposures.
• Return to Groups screen by pressing [Mode E/M] twice.
• The Group FEC value remains in effect, providing differential lighting within the global FEC.
• Any FEC set on the C-TX will over-ride FEC set on the camera. The camera’s Quick
Control Panel will have an icon showing that the FEC is derived from an external device.
• The C-TX will not display the effect of camera-set FEC, when it is in effect.
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