Master flash on/off, Yûissi, H press the <sel/set > button and ’ select – Canon 550EX User Manual

Page 57

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The master unit’s flash firing can be enabled (ON) or disabled (OFF).

(1) ’^ (*^ On) ; This setting enables the master unit to fire a flash.

• This setting is called “Master flash ON."
• This setting automatically sets the master unit’s slave ID to A

(2) ^ (’^ Q FF ) : This setting (Master flash OFF) prevents the master unit

from firing a flash. It can still transmit wireless signals to
trigger the slave units.

5. Master Flash ON/OFF

ETTL ElZ^iirtl

- 0 n -

I. MODE

yûiSSi

PILOT '-iH'H»-'

S£L SET ZOOM

H Press the <SEL/SET > button and

’ select

• Pressing the <SEL/SET > button changes

the selection in the following loop:

r > 0 B E S i E l - I

I--------------------------- (Off)

D

L O Z

V

i

I

2

Press the < + > or < - > button to set

either Dn or D FF .

2 Press the <SEL/SET> button.

or ^ will appear.

• If master flash OFF is set, will blink.

Even if master flash OFF is set, the master unit still transmits the wireless signal to fire

the slave units.

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