Canon 600EX-RT Instruction Manual page 57

About the <D> Lamp
The color of the <D> lamp changes depending on the transmission
status of the master unit and the slave unit.
Color Status
Green Lit
Lit
Red
Blinking
If the transmission channels of the master unit and slave unit are
different, the slave unit does not fire. Set both to the same number, or set
both to "AUTO".
If the wireless radio IDs of the master unit and slave unit are different, the
slave unit does not fire.
Master Flash Firing ON/OFF
You can set whether or not to fire, as a wireless flash, the master unit
that controls the slave unit. When master flash firing is set to ON, the
master unit is fired as firing group A.
Description
Transmission
OK
Not connected Check the channel and ID
Master units + slave units =
Too many units
16 units or less
Error Turn the power off and on again
1
Set the <N> display.
Press function button 4 to display
<N>.
2
Set the master flash firing.
Press function button 1 <4> to
set the master flash firing to ON or
OFF.
g : Master flash firing ON
d : Master flash firing OFF
Wireless Settings
Action
–
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