Canon EOS 30D - Manual (Page 100)

100
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 Silencing the beeper
Connecting the Remote Switch
You can attach to the camera any EOS accessory equipped with an N3 type
plug such as the Remote Switch and Timer Remote Controller (both
optional). To operate the accessory, refer to its instruction manual.
1
Open the terminal cover.
2
Connect the plug to the remote
control terminal.
As shown in the diagram, connect the
plug to the camera’s remote control
terminal.
To disconnect the plug, grasp the
plug’s silver part and pull.