The 1939L model name covers more than one touch interface. This guide compares four legacy part numbers and walks through the external connection checks. Start with the full label when the picture works but touch does not.
Troubleshooting · FREE PREVIEW
Elo 1939L: separate the touch connection from video
Equipment: 1939L E945445 · 1939L E215546 · 1939L E248997 · 1939L E779866
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