Canon EOS 7D EOS 7D Instruction Manual - Page 125

A:B C] Multiple slave units in multiple groups, Set [Firing group] to, A:B C]., Set the desired

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Using Wireless FlashN [1 (A:B C)] Multiple slave units in multiple groups C Indoors A Outdoors Approx. 10m (32.8ft.) This is a variant of the [1 (A:B)] setup on the preceding page. This setup has group C Approx. 7m (23.0ft.) eliminate the shadows Approx. B 7m created by groups A and B. (23.0ft.) Refer to your Speedlite's instruction manual to set the 80o Approx. 5m (16.4ft.) slave ID of the three slave units to A (Group A), B (Group B), and C (Group C) and position them as shown in the illustration. 1 Set [Firing group] to [1 (A:B C)]. 2 Set the desired flash ratio and shoot. Select [A:B fire ratio] and set the flash ratio. Set flash exposure compensation for group C as necessary. If [Firing group] is set to [1 (A:B)], group C will not fire. If group C is pointed toward the main subject, overexposure may result. 125

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125
Using Wireless Flash
N
[
1
(A:B C)] Multiple slave units in multiple groups
This is a variant of the [
1
(A:B)
] setup on the preceding
page. This setup has group C
eliminate the shadows
created by groups A and B.
Refer to your Speedlite’s
instruction manual to set the
slave ID of the three slave units
to A (Group A), B (Group B),
and C (Group C) and position
them as shown in the
illustration.
1
Set [Firing group] to [
1
(A:B C)].
2
Set the desired flash ratio and
shoot.
Select [
A:B fire ratio
] and set the
flash ratio.
Set flash exposure compensation for
group C as necessary.
A
B
C
80
o
Approx. 7m
(23.0ft.)
Approx.
5m (16.4ft.)
Approx.
7m
(23.0ft.)
Approx. 10m
(32.8ft.)
Indoors
Outdoors
If [
Firing group
] is set to [
1
(A:B)
], group C will not fire.
If group C is pointed toward the main subject, overexposure may result.