Canon Speedlite EL-100 - Manual (Page 40)

40
C.Fn: Flash Custom Function Settings
Setting Custom Functions
C.Fn-01: Auto power off (p.25)
o
0: ON (Enabled)
o
1: OFF (Disabled)
C.Fn-10: Receiver auto power off timer
You can change the time until auto power off takes effect on receivers
in optical wireless flash photography.
o
0: 60 minutes
o
1: 10 minutes
C.Fn-11: Receiver auto power off cancel
In optical wireless flash photography, you can turn on receivers that
were automatically turned off by turning on the sender.
You can change the time for the receiver units in the auto power off
state to accept this function.
o
0: Within 8 hours
o
1: Within 1 hour