Sigma EF-630 Mode D'emploi page 28

Auto flash with flash ratio setting (two groups)
Flash is controlled so the total sum of Group [A] and Group [B]
becomes an appropriate exposure.
MASTER UNIT SETTING
1. Set the slave group setting to [A:B]
by following "PREPARATION OF
WIRELESS FLASH (MASTER UNIT)".
2. Set the flash ratio in the Mode
details area. (Setting from 8:1 to 1:8
is possible.)
SLAVE UNIT SETTING
3. Perform the setting by following "PREPARATION OF WIRELESS
FLASH (SLAVE UNIT)".
Auto flash with flash ratio setting (three groups)
Use Group [C] as a secondary light source, such as for eliminating a
background shade of a subject.
MASTER UNIT SETTING
1. Set the slave flash group to [A:B C]
by following "PREPARATION OF
WIRELESS FLASH (MASTER UNIT)".
2. Set the flash ratio of [A:B] in the
Mode details area (setting from 8:1
to 1:8 is possible).
3. Set the flash exposure compensation of [C] in the Mode details
area.
SLAVE UNIT SETTING
4. Perform the setting by following "PREPARATION OF WIRELESS
FLASH (SLAVE UNIT)".
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WIRELESS MANUAL FLASH
As well as manual flash photography, wireless shooting whereby the
flash output can be manually set is also available. Decide the
exposure by using a commercially-available flash meter.
Manual flash with one flash or all slave flashes with the
same flash amount
MASTER UNIT SETTING
1. Set the Flash mode to [WL MANUAL].
2. When necessary, perform "Setting
the channel" and "Master unit flash
setting" in the Mode details area.
3. Set the flash amount in the Mode details area. (Available range for
setting: 1/128 to 1/1, Available pitch for setting: 1/3EV.)
SLAVE UNIT SETTING
4. Set the Flash mode to [WL SLAVE].
5. Perform the setting by following "PREPARATION OF WIRELESS
FLASH (SLAVE UNIT)".
6. Place the slave unit, confirm the completion of charging, and then
start shooting (the slave notifies the completion of charging by
blinking the AF assist light.)
Manual flash where the flash amount is set for each group
Manual flash with the flash amount setting is available for each of
the two or three groups.
MASTER UNIT SETTING
1. Set [Flash group setting] to [A:B] or
[A:B:C] by following "PREPARATION
OF WIRELESS FLASH (MASTER
UNIT)".