Unit is on Dish Network. Timed out during nite. "Locked" message on. Experimenting with remote was usless. No picture. Unit is small flat screen. Gift, no manual.

First, power down the Receiver and remove the card, disconnect your dish networking data cables. ( All )
Power down your TV.
Allow 2 minutes for the dish receiver to set, before powering up.
Next, reconnect all cables to dish Receiver and power on the TV and Receiver.
Next, plug in the card for Receiver.
The unit should cycle and show network accessing satellites.
If you have used this system before, you should know any setup steps or configurations.
Hope this has been of some help and your system now works.
Please rate kindly.