386.5.6. Deck Mechanism Error Code Table6.6. Sales Demonstration Lock FunctionThis function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function."LOCKED" is displayed on the unit, and ordinary operation is disabled.6.6.1. Setting• Prohibiting removal of disc1. Select the DVD/CD function.2. At POWER ON condition, press and hold down the button and the power button on the main unit for at least three sec-onds. (The message, “LOCKED” appears when the function is activated.)Note:OPEN/CLOSE button is invalid and the main unit displays “LOCKED” while the lock function mode is entered.• Prohibiting operation of selector and disc1. Select the DVD/CD function.2. At POWER ON condition, press and hold down the button and the power button on the main unit for at least three sec-onds. (The message, “LOCKED” appears when the function is activated.)Note:The following buttons are invalid and the main unit displays “LOCKED” while the lock function mode is entered.6.6.2. CancellationThe lock can be cancelled by the same procedure as used in setting. ("UNLOCKED" is displayed on cancellation. Disconnecting thepower cable from power outlet does not cancel the lock.)Main unit OPEN/CLOSE, /-TUNE MODE/—FM MODE, SELECTOR, / / , / /Remote con-troller unit iPod/USB, FM/EXT-IN, NUMERIC KEYS 0~9, , , , , , , , RETURN, FUNCTIONS, FL DIS-PLAY/SLEEP, MUTING