"To enter diagnostics with NYC's TWC (3100HD), you hold down both +(SELECT) and EXIT until 'diag' is displayed on the converter. Then enter 1999 with the remote. The diagnostic page shows data on the last channel tuned. You can tune new channels while in diagnostics by using UP/DWN/LFT/RT buttons around SELECT. Scroll to the TUNING> page, then to four-digit channel numbers, tap in a new channel, and press SELECT. Scroll left to select various data pages."
For Cox (Fairfax) ... you hold down the +(SELECT) on the box (not the remote) until the green light flashes. Then you hit INFO. A diag screen is displayed. Page up/down can be used to see various pages.
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIY’s, product reviews, accessories, classifieds, and more!