Canon 600EXII-RT Instruction Manual page 14

Nomenclature
Radio Transmission Wireless Shooting/
Optical Transmission Wireless Shooting
Master unit
G : Master unit/Slave unit
charge status
, : Flash ratio
Flash mode
a : E-TTL II/E-TTL
autoflash
q : Manual flash
[ : Group flash ( ' only)
: Master flash
g
firing ON
: Master flash
d
firing OFF
Firing group control
Flash mode for each
group ( [ only)
During radio transmission wireless shooting, when the master unit and slave
unit are fully charged, <G> disappears. Also, during <[> flash
photography, when all flash units are fully charged, the "firing group charge
status" indication also disappears.
14
(p.57/89)
: Sync speed warning ( ' only)
k
Firing group control
M : Master setting
' : Radio transmission
: : Optical transmission
*
) : Transmission
wireless shooting
wireless shooting
: Transmission
channel
channel automatic
setting ( ' only)
Q : Slave flash ready
( ' only)
Flash ratio
Master/slave flash
not ready
Firing group charge
status ( [ only)
: Flash not ready
: Flash ready