Chapter 6: Tekterm Application
Scan-See Sub-Menu – Mapping The Viewport
The Scan-See display is mapped to a specific area on the 7535 screen – called the viewport – and is continuously updated to reflect that portion of the screen. The
Scan-See viewport is defined as follows:
Anchor Line/Anchor Column
A location on the Scan-See display – the anchor – is chosen as a reference point.
Line Offset/Column Offset
A predefined displacement – the offset – is added to the location of the 7535 cursor to create a point – the pivot . This pivot is mapped to the anchor , and whatever is displayed in its vicinity is also displayed on the Scan-See.
For example:
• the anchor is chosen as (9,0) whereas “9” is the column and “0” is the line
(on the Scan-See display)
• the offset is chosen as (4,2)
• the cursor on the 7535 is currently located at (7,5)
• the pivot would thus be located at (7+4, 5+2) or (11,7)
• and so the area displayed on the Scan-See will be:
(11–9,7–0) to (11–9+9,7–0+1) or (2,7) to (11,8).
1
1
These computations assume that “Wraparound” (described on page 242) is disabled
(set to “N”) and that “Follow Cursor” (described on page 242) is enabled (set to “Y”).
240 Psion Teklogix 7535 Hand-Held Computer User Manual
