5.6.6 BeepThe internal beeper can be set to four different modes: off, click, computer, on.• “off” means silent operation.• “click” will only have the keyboard click active.• “computer” will the CT800 make announce its moves and activate error signals, butno keyboard click.• “on” means combining the options “click” and “computer”.5.7 InfoDisplays the version of the software and the author of the CT800.28 / 32