Sony D-FJ401 Operating Instructions (primary manual) - Page 18

Protecting your hearing (AVLS) The AVLS (Automatic Volume Limiter System) function keeps down the maximum volume to protect your hearing. Hold down SOUND until "AVLS" appears in the display. Locking the controls (HOLD) You can lock the controls on your CD player to prevent accidental button presses. Slide HOLD in the direction of the arrow. Displayed when AVLS function is activated. To turn off the AVLS function Hold down SOUND until "AVLS" disappears from the display. Displayed when the HOLD function is activated. You can use the HOLD function with both the CD player and remote control. You can still operate your CD player using the remote control when HOLD on the remote control is set to off. To unlock the controls Slide HOLD in the opposite direction of the arrow. 18