How do I unlock my Sony sound system?

How do I unlock my Sony sound system?

Turn on the Home Theater System. Press the STOP button and the EJECT button simultaneously for five seconds. The message UNLOCKED will be displayed to indicate that DVD disc tray is unlocked.

What does unlock mean on a Sony receiver?

When the UNLOCK error message appears in the display of the A/V receiver, there is either a problem receiving a digital audio signal or the system is tuned to receive a digital audio signal but there is no digital audio source available. Make sure the A/V receiver is set appropriately to output a digital signal.

How do you unlock a Sony child lock speaker?

NOTES: You can activate the CHILD LOCK function by pressing the STOP button for more than 5 seconds. The key symbol will light up in the front panel display. To cancel, press the STOP button for more than 5 seconds so that the key symbol disappears from the front panel display.

How do I turn off child lock?

To turn off the child lock, simply turn the key in the other direction. Your vehicle may have electric, remote child-proof locks. If so, you can lock rear doors and windows at the press of a button inside the car. There should be a small symbol of a window with an X in it as well as a small child symbol.

How do you unlock a receiver?

Receiver Lock:

1. Press the control wheel once and navigate to the Advanced Settings menu.
2. Press the control wheel again to enter the menu, and then once again to select Device Lock.
3. Press the control wheel to highlight the options and rotate it to select the desired option: Unlock: receiver controls are unlocked.

How do I reset my Sony music system?

Resetting the system

1. Disconnect the power cord and confirm that the STANDBY indicator is not lit. Then reconnect the power cord and turn on the system.
2. At the same time, press and hold the FUNCTION and ON/Standby buttons until RESET appears on the display window.