Canon SPEEDLITE EL-1 Advanced User's Manual page 209

P.Fn-05:
You can select whether to update the manual mode flash output being maintained according
to the flash output fired by the ETTL.
0: OFF
1: ON
2: ON /
Note
When P.Fn-05-2 is set, even if you push the joystick down to choose <
the mode will not change to a mode other than <
to choose another mode, display the settings screen by pushing the joystick
vertically and push the joystick up / down / left / right, or turn <
item and select the mode.
P.Fn-06: (Beep)
You can enable a beep to sound when flash recharge is complete.
0: ON
In normal shooting (on-camera flash photography), the beep will sound when the flash
unit is fully charged.
When the Speedlite is set as the sender during radio transmission wireless shooting, the
beep will sound on the sender unit when all flash units (sender and receiver units) are
fully charged. You can confirm recharging of the entire wireless system by the beep tone
on the sender unit. For the receiver units, either 0 or 1 can be set for P.Fn-06. When the
Speedlite is set as the sender during optical transmission wireless shooting, a receiver
in radio transmission / optical transmission wireless shooting, or a sender / receiver in
linked shooting, a beep will sound on each flash set to 0 at full charge (
1: OFF
The beep does not sound.
Caution
When 0 is set, the beep will also sound when the temperature of the flash head
rises and flash firing is restricted (
(FE memory)
).
209
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