Canon Speedlite 470EX-AI Instruction Manual page 86

C: Setting Custom Functions
C.Fn-08:
0: ON (Enabled)
1: OFF (Disabled)
This disables the emission of the AF-assist beam from the Speedlite.
The flash icon displayed when C.Fn-08 is set changes according to the
P.Fn-04 (AF-assist beam emission method, p.89) setting.
C.Fn-10:
When set as an optical transmission wireless receiver unit, the time until
auto power off takes effect can be changed. Note that when the receiver
unit's auto power off takes effect, </> is displayed on the LCD panel. Set
this function on each receiver unit.
0: 60min (60 minutes)
1: 10min (10 minutes)
C.Fn-11:
In optical transmission wireless flash photography, when you press the test
flash button on the sender unit, you can turn on the receiver units that are in
the auto power off state. You can change the time for the receiver units in
the auto power off state to accept this function. Set this function on each
receiver unit.
0: 8h (Within 8 hours)
1: 1h (Within 1 hour)
C.Fn-13:
0: 4 (Speedlite button and dial)
1: 5 (Speedlite dial only)
You can directly set the flash exposure compensation amount and
flash output by turning <9> without pressing the <O> button of the
<S> cross keys.
86
-
(AF-assist beam firing)
/
(Receiver auto power off timer)
0
(Receiver auto power off cancel)
6
(Flash exposure compensation setting)