Canon SPEEDLITE EL-1 Advanced User's Manual page 204

C.Fn-11:
In radio transmission / optical transmission wireless shooting, when you press the test flash
button of the sender unit, you can turn on the receiver units that are in the auto power off
status.
You can change the time for the receiver units in auto power off status to accept this
function. Set this function for each receiver unit.
0: 8 h (within 8 hours)
1: 1 h (within 1 hour)
C.Fn-12: (Flash recycle with external power source)
0: (Flash unit and external power source)
Charges using both internal and external power sources.
1: (External power source only)
The internal power source is needed to control the Speedlite. By using an external
power source for charging firing of the Speedlite, you can minimize the depletion of the
internal power source.
C.Fn-13: (Flash exposure compensation setting)
0: (button + dial)
1: (Direct setting with dial)
You can turn <
output without selecting <
C.Fn-18:
You can select how to turn on the modeling lamp.
0: < > (button)
1: < > (press shutter button briefly twice)
Note
The <
Although "Macro focusing lamp ON" appears in the camera menu screen, the
setting that can be configured is "Modelling lamp ON".
When the flash is used with the EOS D60 or EOS D30, it will not function correctly
even if you briefly press the shutter button twice in a row. Turn the lamp ON / OFF
with the <
(Receiver auto power off cancel)
> directly to set the flash exposure compensation amount and flash
> with the joystick.
(Modeling lamp lit)
> button is valid even if it is set to 1.
> button.
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