Canon EOS 5D - Manual (Page 99)

99
You can silence the beeper so it does not sound in any shooting mode.
1
Select [Beep].
Turn the <5> dial to select [z
Beep], then press <0>.
2
Select [Off].
Turn the <5> dial to select [Off],
then press <0>.
3 You can also silence the beeper
3 CF Card Reminder
This prevents shooting if there is no CF card in the camera. This can be
set in all shooting modes.
1
Select [Shoot w/o card].
Turn the <5> dial to select [z
Shoot w/o card], then press <0>.
2
Select [Off].
Turn the <5> dial to select [Off],
then press <0>.
If [Off] has been set and you press the shutter button while there is no CF
card in the camera, “no CF” will be displayed in the viewfinder and LCD
panel.