Polaroid PLA-4237 manual Channel Selection, Information about USA channel numbering

Channel Selection

Information about USA channel numbering

￿ATSC PSIP channel has two part channel number:

—Major channel number ￿ Frequency

—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.

Channel Numbering Example

￿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)

Channel Selection

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

Press the CH+ or CH- to cycle among available channels found.

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

Press the number buttons (0-9)and the dot button (￿) 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.

Note:

￿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.

Using the LAST button

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

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