Canon Speedlite EL-5 Advanced User's Manual page 42

Flash sync speed and aperture value, by shooting mode
Set manually / automatically (at least 1/X sec.)
* 1/X sec. represents the camera's maximum flash sync shutter speed.
* 1: On cameras that support slow synchro, varies by settings.
Shutter Speed
Set automatically (1/X sec. to 1/60 sec.)*
Manually set (1/X sec. to 30 sec.)
Set automatically (1/X sec. to 1/60 sec.)*
Set manually (1/X sec. to 30 sec., Bulb)
1
1
42
Aperture Value
Set automatically
Set automatically
Set manually
Set manually / automatically
Set manually