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Adjusting the picture and sound 37
Adjusting the volume
You can control the volume of the projector’s speakers:
• To change the volume of the projector’s speakers, press enter, go to Sound > Volume, and
change the setting.
• To turn the sound on or off temporarily, press enter, go to Sound > Mute, and mute the
sound.
Adjusting other sound settings
1. Press enter, and go to Sound.
2. Set the sound adjustments.
From the Sound menu, you can adjust sound settings, such as mute, volume, and speaker
operation.
To get descriptions for all available audio adjustments, see “Sound menu” on page 41.
Adjusting the projector setup
1. Press enter, and go to Setup.
2. Set the setup adjustments as needed.
From the Setup menu, you can select settings, such as menu language, projector position,
and menu timeout.
To get descriptions for all available setup adjustments, see “Setup menu” on page 41.
Preventing unauthorized use
You can prevent unauthorized people from using the projector by creating a secret button
sequence that is required for the projector to turn on. The unlock sequence is a series of 4 to 8
arrow buttons. If the buttons are not pressed in the order you specify, the projector does not
turn on. Use the following steps to set or clear an unlock sequence.
1. Press enter, go to Setup > Advanced setup > Projector lock, and press enter.
2. If an old unlock sequence is set, press the buttons according to the old sequence when
prompted, and then press enter.
3. To set a new unlock sequence, press the arrow buttons for the new sequence, and then
press enter.
To clear the unlock sequence and remove this protection, press only enter.