Canon Speedlite 430EX III-RT User Manual download pdf (Page 97)

Troubleshooting Guide

Set the shutter speed 1 stop slower than the flash sync speed (p.49).

The master unit’s LCD panel illuminates or turns off according to the

charge status of the master unit and slave units (firing groups). See

“LCD Panel Illumination” on page 54.

Linked Shooting

If you fire multiple Speedlites at the same time during linked

shooting, the appropriate exposure may not be obtained or uneven

exposure may result. It is recommended to set only one Speedlite to

fire or to use a self-timer to space out the timing of the flashes.

Optical Transmission Wireless Flash Shooting

Set the slave unit to <:x> (p.73).

Set the transmission channels of the master unit and slave unit to

the same numbers (p.73).

Check that the slave unit is within the transmission range of the

master unit (p.72).

Point the wireless sensor of the slave unit toward the master unit (p.72).

If the master unit and slave unit are too close, the transmission may

not take effect properly.

When using the camera’s built-in flash as the master unit, raise the

camera’s built-in flash, and set [Wireless func.] on the camera’s

[Built-in flash func. setting] screen.

<k> is displayed.

The LCD panel illumination turns on and off.

Standard exposure is not obtained /

Uneven exposure occurs.

The slave unit does not fire.

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Canon Speedlite 430EX III-RT User Manual Page 97