48 Listing Services
To edit the radio service list, press 
button; then radio ser- vice entries will be listed on the right column. To turn back to the television service list, press it again.
To change the name of a service, select the Rename and select a desired service; then the
Unlike analog broadcasts, each service does not have a proper service number in digital broadcasts. Service numbers are as- signed to the services just in the order that they were found in the service search. So you can reassign a service number by moving a service entry. To move a service entry, select the Move option and select a desired service; then the selected service becomes darker. As you move it up ordown, it gets renumbered according the position. Press the OK button to fix it.
You can lock some services so as to prevent your children from watching them. To lock a service, select the Lock option and select a desired service; then the lock symbol 
will be marked on the selected service. If anyone tries to watch a locked ser- vice, the person has to enter the personal identification num- ber that is set to the Change PIN Code option. See § 3.4 for this option. To unlock a locked service, press the OK button on it.
To delete a service, select the Delete option and select a de- sired service and press the EXIT button; then you are asked for confirmation. If you select Yes, the selected service will be deleted. If you want to undo the deleted service, you have nothing to do but perform service search again.
Once you select the Sort option on the left column, sorting options are displayed as follows:
Default by service number
Alphabetic by service name
Satellite by satellite