ASTRO VA-1842 - DDC Line Capture

Chapter 4 Source ANALYSIS
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4.2.2 DDC Line Capture
Displays the waveform of the DDC line (upper: serial data line [SDA], lower: serial clock line [SCL])
The display method is as follows.
Mouse operation
Right-click → left-click ANALYZE → left-click DDC Line Capture → wheel click over screen
Unit operation
Press the ANALYZE key.
→ press L CLICK over DDC Line
Capture
Press R CLICK → press L CLICK over ANALYZE
Item
Description
Trigger
Free
Sets Trigger to Free.
Slave Address
Set the slave address for which you wish to
apply the trigger.
Sub Address
Set the slave address and sub address for
which you wish to apply the trigger.
Single
Sets Trigger to Single.
Delta Time
Displays the time between the red dotted lines.
Frequency
Displays the frequency between the red dotted
lines.