8.6. Sales demonstration lock functionThis function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function."LOC" is displayed on the unit, and ordinary operation is disabled.8.6.1. SettingThe sales demonstration lock is set by simultaneously pressing STOP button on the player and POWER button on the remotecontrol unit for 1 second or longer.8.6.2. CancellationThe lock can be cancelled by the same procedure as used in setting. ("UNLOC" is displayed on cancellation. Disconnecting thepower cable from power outlet does not cancel the lock.)8.7. Handling After Completing RepairsUse the following procedure after completing repairs.8.7.1. MethodConfirm that the power is turned on:1. Press the "OPEN/CLOSE" button to close the tray.2. Press the "POWER" button to turn off the power.3. Disconnect the power plug from the outlet.8.7.2. PrecautionsDo not disconnect the power plug from the outlet with the tray still open, then close the tray manually.25DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX