Channel selection, Information about usa channel numbering, Channel numbering example – Polaroid PLA-4248 User Manual

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Channel Selection

Information about USA channel numbering

Using the Channel up/down buttons (CH or CH )

+

-

Press the

or

to cycle among available channels found.

CH+

CH-

Using the direct select buttons (0-9 and dot buttons)

Press the

and the

to go directly to a channel.

For example, if you want to select channel 8-3, just key in ‘8’, ‘ ’, ‘3’ on the remote control.

number buttons (0-9)

dot button ( )

l

l

=
=

When you use the number buttons, you can directly select any channel within the channel range .

In some situations virtual channel numbers have no correspondence to physical frequencies.

Note:

Using the LAST button

Press this button to switch between the current channel and the last viewed channel.

Channel Selection

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ATSC PSIP channel has two part channel number:

— Major channel number

Frequency

Þ

— Minor channel number

Sub channel on frequency

In USA, the major channel number is same for both analog and digital frequencies. (It is equal to the NTSC

channel number for existing broadcasters.)

In USA, a minor channel number of zero is used for a broadcaster’s analog channel.

Þ

Channel Numbering Example

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Original NTSC Channels for Des Moines:

— 5, 8, 11, 13, 17

Possible NTSC + ATSC Channels for Des Moines:

— 5-0, 8-0, 11-0, 13-0, 17-0 (channel numbers for existing analog channels, all on original NTSC analog

frequencies)

— 5-1, 5-2, 8-1, 8-2, 8-3,8-4, 13-1 (channel numbers for digital channels on three new digital frequencies)

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