How do I determine model

[jfond]

How can I determine if I have an HR20 or HR21? Since I have a way to attach an OTA antenna does that mean I have an HR20?

[TonyD79]

Yes. The HR21 doesn't have an OTA input.

Also, assuming you have the National Release of software and not the Cutting Edge (test) version, you can go into the Setup menu, chose Info and Test. Near the top, it should have the Manufacturer (either 100 or 700, I always forget which is which) and the Model Number (HR20 or HR21).

[jfond]

Excellent Thanks - That is what I was looking for - I have an HR20 - which seems good from what I have read - Do you know what type of Indoor Antenna I should get to get the "additional" OTA channels (i.e. 8.1, 8.2, 5.1, 5.2, etc.)? Thanks!!!

[rlj5242]

Do you know what type of Indoor Antenna I should get to get the "additional" OTA channels (i.e. 8.1, 8.2, 5.1, 5.2, etc.)? Thanks!!! No. We no absolutely nothing about your situation (distance from towers, surrounding buildings, what frequencies that your local stations broadcast on, etc). You can post your digital only information from the atennaweb.org and that will be a start. Your best bet is the Local HDTV section at AVS Forums. Find the thread that covers your DMA. Depending on where you live you may be able to find a neighbor that has gone through the trial and error process of getting OTA digital TV.

-Robert

[TonyD79]

The only tip I would give you is to not assume any issue you have with locking in stations is due to needing a bigger antenna or an amp. If you get strong signal that does not stay locked in, you may need to keep it simple.

Otherwise, Robert is exactly correct.