Reference
Actual time base
Zoom time base Zoom position
Key Points
Maximum Zoom Mag nification Factor. If yo u a re using Normal acquisition
resolution, the maximum hor izontal magnification factor is 200X; in
Fast-trigger the m axim um is 10X.
Horizontal Zoom and Preview. There are two ways you can magnify
a stopped acquisition, horizon tal zoom or preview. The differences
in how horizontal zoom and preview interact with o ther functions are
shown in the next table.
Function Horizontal zoom Horizontal preview
Horizontal Scale Sets magnification
factor
Changes time base for
the next acquisition
Horizontal Position
Selects portion of
waveform to magnify
Changes trigger
position or delay time
for the next acquisition
Delay button
Turns delay on and off Turns delay on and off
TDS3000C Series O scilloscope User Manual 85