Yongnuo YN-622C Datasheet download pdf (Page 29)

7. Can't set the flash zoom via camera menu:

When the mix control mode has been set in the transmitter

(p.21) or zoom locking has been set in the receiver (p.15),

zoom can't be set via camera menu. Zoom setting of the on-

top flash needs to be set separately(p.17).

8. Fail to set channel 5, 6, 7 via camera menu:

This is caused by the camera restriction and it can only set the

channel 1-4 in via camera menu, while other channels can be

set via channel button.

9. ETTL underexposure or overexposure:

Suggest enable wireless flash function when using ETTL flash

mode, and adjust the position of the flash, use FEC/FEL

function, check flash’s effective range. It may overexposure

when ETTL and manual flash are used at the same time, now

the manual flash suits to be used as a backlight.

10.Information of aperture, distance are not displayed on the

flash when half pressing the shutter:

Set compatiable flash mode/shutter sync with the flash on the

transmitter.

11.No effect of the flash exposure bracketing calculation on

receiver :

Set the flash mode which is compatible with the flash.

vIt is suggested using the following procedures to deal

with when other trouble occur during the using:

1). Restart all the equipments.

2). Replace the batteries of the transceivers.

3). Reset the factory set of the transceivers.

4). Reset the factory set of the camera.

5). Install the hot-shoe flash on the camera directly and clear the

custom function of external flash then install it on transceiver

again.

Troubleshooting

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Yongnuo YN-622C Datasheet Page 29