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Chapter 5 155
Analog Measurements - Screens and Control Fields
Trig-Delay Trig-Delay
Trig-Delay
The trigger delay is used to specify the time relationship between the
trigger and displayed signal.
• Positive values delay the measurement trigger by a specific
period. The delayed trigger point is the left edge of the screen.
• Negative values perform a pre-trigger function, displaying a
section of the waveform before the trigger point. The trigger point is
indicated by small pointers that appear at the top and bottom of the
screen.
Operating Considerations
Negative Value. The maximum negative delay cannot exceed ten
divisions of the current time-per-division setting. For example; if the
Time/Div field is set to 1 ms, the maximum allowed negative delay is
−10 ms. Larger negative numbers cause an Excessive negative
Trig-Delay will be truncated. message.
Positive Values. For Time/Div settings of 50 ms/div and smaller, the
maximum delay is 400 ms.
For Time/Div settings of 100 ms/div and larger, the maximum delay is
3200 ms.
Resolution. For delays of 400 ms and less, the resolution is 6.4 ms. For
delays greater than 400 ms, the resolution is 51.2 ms. All entries are
rounded to the nearest multiple of 6.4 ms or 51.2 ms (depending on the
delay value).
Screens on which this field is displayed
SCOPE: trigger controls menu
Main Menu