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Posted on Mar 20, 2010

I have Onida TV Model 21SLU250, I accidentally enable the features of volume lock, hotel mode and channel lock and I cannot reset the same. Due to this, I cannot watch some chaNNEL, all channel volume are too low for hearing. I want to solve the problems.

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  • Posted on Apr 24, 2010
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You can lock/unlock above functions by pressing zoom and negative volume control keys simultaneously.

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  • Posted on Aug 21, 2012
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  • Posted on Oct 02, 2013
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Hi,
1. Turn on the AVL in sound menu, then u can turn off the volume lock off.
2. Then press zoom + volume down in remote for turning the hotel mode off. And for channel lock, I have not faced and tried yet.Above both were worked for me today.I also faced the same for last few days.

Best of luck..
(Sarajendra Vineeth.K)

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To turn off the hotel mode on an Onida Ultra Slim TV, you need to follow these steps:
  1. Turn on the TV and press the "Menu" button on the remote control.
  2. Use the navigation buttons to select the "Setup" option and press the "OK" button.
  3. Navigate to the "Installation" option and select it.
  4. Select the "Hotel Mode" option and change the setting to "Off".
  5. Use the remote control to enter the password. The default password is usually "0000" or "1234". If these do not work, please refer to the manual for your TV model for the correct password.
  6. Once the correct password is entered, the hotel mode will be turned off.
  7. Save the changes and exit the menu by pressing the "Menu" button.
After completing these steps, the hotel mode should be turned off and you should be able to use all the features of the TV as normal. If you encounter any issues or if the steps do not work for your TV model, please refer to the manual or contact Onida customer support for assistance.
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Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
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MIGHT WORK IF YOU:
Turn off tv with remote, that is standby, then turn off tv with switch or unplug from wall. Wait a few minutes until led lights go off on tv. plug tv back in. try pushing vt on remote and power button on tv at same time.
If this doesn't work try contacting a local retailer, they always have a list of codes for their salesmen.
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