Canon Speedlite 600EX-RT Quick Manual page 2

c. The master flash's flash-ready light will illuminate when
all flash units have recycled. You can enable C.Fn-20
on the master unit to also trigger an audible beep when
the slaves have recycled.
WIRELESS E-TTL WITH RATIO CONTROL
In this mode you can divide the slave units into different firing
groups (A:B or A:B C) and control the flash ratio (relative output)
between them. You can then adjust the overall brightness with
flash exposure compensation (FEC) on your camera, as neces-
sary. This mode is best for lighting setups where the flash-to-sub-
ject distance may change from one shot to the next and you wish
to maintain consistent output ratios between flash units.
1. Perform the initial flash setup described above.
master and slave are set to the same transmission channel
and radio ID. Position the camera and flash within correct
operating range (30 meters/98 feet).
2. Set the firing group on each Speedlite 600EX-RT slave unit:
a. With Menu 1 displayed on a slave unit's LCD panel,
press Fn. Button 3 on the master unit (under the "GR"
icon).
b. Set one unit to <A> and at least one slave unit to
(do not set a slave unit to "D" or "E", since it won't fire in
those settings).
3. Set the ratio on the master unit:
a. Press the master unit's Fn Button 4
<Menu 2> .
b. Press Fn Button 2 (under the "Ratio" icon), to toggle
between <ALL> , <A:B> or <A:B C>
Note: A:B requires a minimum of two units. A:B C
requires a minimum of three. In either case, you can
adjust the power ratio only between groups A and B.
Group C is independent of A and B, and is best used
for background or accent lighting, rather than lighting
the main subject.
c. Press Fn Button 3 under the "GR" icon.
Fn Button 3
d. Press again to display
highlight the ratio scale.
e. Turn the Select Dial to set the flash ratio, then press
the Select/Set Button .
f. Press Fn Button 4 to return to shoot-ready mode.
All flash ratios are expressed as A relative to B and as relative
amounts of exposure. For example, "1:1" means firing groups A
and B will produce equal output, "2:1" means A will produce
twice as much output (one stop more) than B, "1:2" means B will
produce twice as much output as A, and "8:1" means A will
produce eight times (3 stops) more output than B.
E-TTL GENERAL NOTES
1. Flash coverage is set to 24mm by default when the Speedlite
600EX-RT is set for wireless operation. You can manually
set the flash head to a more narrow angle of coverage if you
wish.
2. Press the depth-of-field preview button on the camera if you
want to fire the modeling flash.
3. If you've set Master Flash ON, the master unit is always part
of the A Group—no exceptions.
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4. When set for radio-based wireless flash, the master flash unit
will enter sleep mode (auto power-off) after 5 minutes of inac-
tivity. Activative Speedlite 600EX-RT Custom Function 01-1 if
you wish to disable sleep mode on the master unit.
5. If a slave enters sleep mode, press the master unit's test
flash button to turn the slave back on. Slave units, by default,
stay active for 60 minutes before auto power-off. You can use
Flash C.Fn 10-1 to change this to 10 minutes to conserve
slave unit battery power.
6. The following flash settings are available during radio-based
Wireless E-TTL (set on the master unit):
• Flash exposure compensation
• Flash exposure bracketing
• Flash exposure lock
Confirm that • High-speed sync
• Manual flash
• Stroboscopic flash
WIRELESS MANUAL FLASH
In this mode you set each slave unit to a fixed output and set the
camera exposure manually. You can set each unit to the same
or a different output. This mode is ideal for lighting setups where
<B> the flash-to-subject distance is fixed and you want your exposure
setting to be consistent from one shot to the next—for example,
when you are photographing subjects whose color and reflectivity
are variable.
to display
1. Perform the initial flash setup described above.
master and slave are set to the same transmission channel
and radio ID. Position the camera and flash within correct
.
operating range (30 meters/98 feet).
2. Use the Mode button to
master unit.
3. Set the firing group ratio on the master unit
1> is displayed, press
output ratio of your choice. Your options are:
a. ALL (NO RATIO — EQUAL OUTPUT)
<A:B ±> b. A/B (RATIO A:B)
, and
c. A/B/C (RATIO A:B:C)
All ratios are between firing group.
Set each slave unit to a particular Group.
4.
slave unit's LCD panel, press
and set each unit to "A", "B" or "C". (If set to "D" or "E", they
won't fire in A:B or A:B:C ratio settings.)
5. Set the manual power level you want for each flash group.
On the master unit, press
Dial , and select the group for which you want to set the flash
output. Select A, B, or C.
6. Set the flash output.
Select Dial
1/128th power), then press the
your setting.
7. Repeat steps 5 and 6
additional groups
NOTE: Slave units will initially read "E-TTL" in the upper-left corner
of their LCD panel. However, if you have set Manual ("M") flash
mode on the master unit (Step 2 above), this master will automati-
Confirm that
set the flash mode to <M> on the
. While <MENU
Fn Button 2 (under "Ratio" icon) to the
With Menu 1 on the
Fn Button 3 (under "GR" icon)
Fn Button 3 <GR> , turn the
Press Fn Button 3 <* ±> again, turn the
to set the flash output (from full 1/1 power thru
Select/Set Button to register
to adjust flash power for
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cally communicate this mode to each connected slave unit when
you take your first photo.
GR: DIFFERENT FLASH MODE FOR EACH GROUP
The mode is available only on EOS cameras released since 2012
(such as the EOS-1D X, EOS 5D Mark III, and EOS 6D). GR
mode is best suited to advanced photographers who have
experience in multiple flash lighting. You can set a different flash
mode for each firing group, up to a maximum of five groups
(A/B/C/D/E). The available modes include:
• E-TTL
• Manual
• Auto external flash metering
1. Perform the initial flash setup described above.
2. Set the flash mode to
3. Assign each slave unit to a firing group (A, B, C, D, or E).
4. Set the flash mode on the master unit for each firing group.
a. While <MENU 1>
press Fn Button 3 <GR>
a group.
b. Press Fn Button 2 <* MODE>
through available flash modes — E-TTL, M, or ExtA.
c. Repeat step b on the master unit to set the flash mode
for each additional group.
5. Set the flash output or flash exposure compensation amount
on the master.
a. While a firing group is selected, press
3 <* ±>
b. Turn the Select Dial
responds to the flash mode, then press the
Button . For example, set the flash output for M mode,
or flash exposure compensation for E-TTL or Ext.A.
c. If you press Fn Button 2 <* ±>
the LCD, you can set flash exposure compensation for
all firing groups (E-TTL or Ext.A only).
d. Repeat steps a & b to set the flash power of any
remaining groups
e. Press Fn Button 4
MEMORY FUNCTION
You can save one set of wireless settings to memory and
recall them later. This saves time during wireless setups. It's
also a quick way to switch from standard flash-on-camera to
a commonly-used wireless set-up. The settings vary slightly
Select
depending on whether you are setting a master or slave.
To access the Memory menu:
1.
a. On the master unit: Press
<MENU 3> .
b. On the slave unit: Press
2>
.
2. To save the settings to Memory:
a. Press Fn Button 3 <MEMORY>
b. Press Fn Button 1 <SAVE>
To access the settings from Memory:
3.
a. Press Fn Button 2 <LOAD>
<Gr> on the master unit.
shows on the master unit's LCD,
, then turn the Select Dial to
repeatedly to toggle
Fn Button
to set the flash function that cor-
Select/Set
when <Menu 1> is on
to return to the shoot-ready state.
Fn Button 4 to display
Fn Button 4 to display <MENU
.
.
.
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