Canon 540EZ User Manual

Page 36

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Cover

the

subject

with

the

viewfinder's

frame

and

press

the

shutter

button

halfway.

• When the shutter button is

pressed halfway, the camera

focuses the subject and the
flash coupling distance indicator

bar and aperture value are dis
played in the flash unit's LCD
panel.

Check the shooting distance indicated on lens’ distance scale.

Check the coupling distance indicator bar in the LCD panel.

If there is a difference befween the shooting distance (indicated on

the lens’ distance scale) and the LCD panel’s coupling distance indi

cator bar, adjust the aperture until the coupling distance indicator

matches the shooting distance.

• The coupling distance indicator bar can also be adjusted by changing the

flash output power level

If there is a large difference between the shooting distance and the coupling

distance display, change the flash output power level and refocus the subject,
then adjust the aperture until the distance indicated on the coupling distance
display is the same as the shooting distance.

For more precise exposure control, use a commercially-available handheld

flash meter.

Make sure the shutter speed
and aperture value displayed
in the viewfinder are not blink
ing and that the flash charge

indicator i is lit, then take

the picture.