10-5
IM DL850E-01EN
• The voltage level of the detected point is the mesial line.
• The measurement item name that appears when the measured values are displayed is (Delay).
• If Mode is set to Degree and Reference is set to Trigger, the measured value is displayed as ‘*****’.
• If you set the delay measurement's Reference to Trace, measurements will not be performed when the
sample rates of the base waveform and the measurement source waveform are different. The measured
value is displayed as ‘*****’.
Detail Parameter (Detail Parameter)
Set the reference level that is used to measure various parameter values, such as the rise and fall times, for
each measurement source waveform.
•
Distal, Mesial, and Proximal Unit Setting (Mode)
Set the method for setting the three levels that are used as references in the measurement of various
parameter values, such as the rise and fall times.
• %
Y
ou can set the distal, mesial, and proximal values as percentages of the specified trace (CH1 to CH16,
1
16chVOLT,
2
16chTEMP/VOLT,
2
CAN,
3
LIN,
3
or Math1 to Math8). The high value of the specified trace is
equal to 100%, and the low value is equal to 0%.
• Unit
You can set the distal, mesial, and proximal values of the specified trace (CH1 to CH16,
1
16chVOLT,
2
16chTEMP/VOLT,
2
CAN,
3
LIN,
3
or Math1 to Math8) by specifying physical values, such as voltages or
temperatures.
1 You can select the channel of an installed module. However, you cannot select the channel of a logic
module.
2 When a 16-CH voltage input module or 16-CH temperature/voltage input module is installed.
After you
select 16chVOLT or 16chTEMP/VOL
T, select a sub channel.
3 On the DL850EV when a CAN bus monitor module or CAN & LIN bus monitor module is installed. After
you select CAN or LIN, select a sub channel. You cannot select waveforms whose data type (V
alue
Type) is set to Logic.
• Distal, Mesial, and Proximal Settings (Distal, Mesial, Proximal)
You can set the distal, mesial, and proximal values.
Selectable range: 0.0 to 100.0% (in 0.1% steps) or voltage or temperature values that correspond to ±
10 div (the steps that you can set voltage and temperature values in vary depending on the module. See
Range of V/div).
• High/Low Specification Method (High/Low)
The high and low levels are the 100% and 0% levels used to measure various parameter values, such as the
rise and fall times. Y
ou can choose one of the following methods for setting the high and low levels.
• Auto
The DL850E/DL850EV sets the high value to the high amplitude level and the low value to the low
amplitude level based on the voltage level frequency of the waveform in the measurement time period
while taking into account the effects of ringing, spikes, etc. This method is suitable for measuring square
waves and pulse waves.
• Max-Min
The DL850E/DL850EV sets the high and low values to the ma
ximum and minimum values in the
measurement time period. This method is suitable for measuring sinusoidal and saw waves. It is not
suitable for waveforms that have ringing and spikes.
Measurement Time Period (Time Range1/Time Range2)
Set the measurement time period using two vertical cursors. The position of the thin dashed line (Time Range1)
is the measurement start point. The position of the thick dashed line (Time Range2) is the measurement end
point. The number of data points in the measured waveform can be up to 100 Mpoint from the measurement
start point.
The measurement time period is similar to the selectable range of the cursor display position in cursor
measurement.
For details, see “Selectable Range of Cursor Positions.”
10 Automated Measurement of Waveform Parameters
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