Canon Speedlite EL-100 User Manual
Page 59
59
Troubleshooting Guide
Optical Transmission Wireless Flash Photography
Receivers do not fire, or mistakenly fire at full output.
●
When using the flash as a sender, select
[Wireless:Optical
transmission]
on the camera (p.44). When using the flash as a
receiver, set the channel switch to the same channel as set on the
●
Make sure the receiver unit is within the transmission range of the
●
Point the wireless sensor of the receiver unit toward the sender unit
●
Position the receiver unit at a location with the clearest possible view
of the sender unit.
●
If the sender unit and receiver unit are too close, the transmission may
not take effect properly.
●
When using the camera’s built-in flash as the sender unit, raise the
camera’s built-in flash, and set
[Wireless func.]
on the camera’s
[Built-in flash settings]
screen.
The sender fires.
●
The sender fires even when
[Sender flash firing]
is set to
[Disable]
,
in order to control receivers optically (p.44).
Pictures are overexposed.
●
When using autoflash with groups A, B, and C, do not aim flash units