Sony DSLR-A100 - Manual (Page 56)

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6 Press the AEL (AE Lock) button on the camera to test fire the flash.
• If the flash does not fire, change the camera, external flash, or subject position.
7 Check both flashes again to make sure they are fully charged. Press the shutter button to take a
picture.
• Turn off the wireless flash mode after wireless flash shooting. (You can either deactivate the camera and
the external flash separately, or you can attach the external flash to the camera and select a different flash
mode, as shown on page 54). If the built-in flash is used while the wireless flash mode is still active,
inaccurate flash exposures will result.
• You can select the wireless setting on the camera and the external flash separately. See page 54 to set the
camera. To set the external flash, refer to the operating instructions supplied with it.
If the operation and the function of the AEL (AE Lock) button has been changed
When using the wireless flash, it is recommended that you set [AEL button] (page 93) to [AE hold] or [
AE hold] in the Custom menu.
If you select a setting that is retained after the button has been released ([AE toggle]/[ AE toggle]) the
camera is in slow sync recording mode while “AEL” appears in the viewfinder and on the LCD monitor.
Every test fire will cause the slow sync recording mode to switch on and off.
About the position of the camera and the flash
This camera uses the flash light of its built-in flash to send a signal to the off-camera flash to fire. Take note
of the following points to ensure proper transmission of the signal.
• Wireless flash shooting should be performed in a dark environment such as indoors, etc.
• Place the external flash in the grey area as illustrated below.
A : The distance between the camera and the subject
B : The distance between the external flash and the subject
Do not place the external flash directly behind the subject.
A
B