Impatica Knowledgebase

KB-000309: What are the polarity requirements/specifications and Vertical and Horizontal signal strengths for the ShowMate when connected to a display?

The signal from the ShowMate is a VGA (or SVGA at maximum) analog signal with a vertical frequency, or screen refresh rate, of 60 Hz and horizontal frequency of 37.9 kHz.

In addition, the ShowMate has both Horizontal Sync (H. Sync) and Vertical Sync (V.Sync) as negative by default.

The BlackBerry version of the Impatica Presentation Viewer allows for adjustment of the sync values (under the Configure ShowMate menu item) but the viewers for the other supported handhelds do not offer this option.

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