7-1
IM 701510-01E
Changing
Acquisition and Display Conditions
7
7.1
Selecting Acquisition Mode, Sampling Mode,
and Record Length for DL1520L/DL1540L
1.
Press the
ACQ key
to display the acquisition mode/sampling mode
setting menu. “
Length
” menu is provided with DL1520L/DL1540L.
2.
Press the soft key corresponding to the desired acquisition mode.
When averaging mode is selected
3.
Turn the rotary knob to set the desired averaging count (attenuation
constant).
Selecting sampling mode
2.
After step 1 has been completed, press the “
Rep
” soft key and select
“
ON
” for real-time sampling mode or “
OFF
” for repetitive sampling
mode.
Selecting the record length (maximum displayable record length),
(for DL1520L/DL1540L)
2.
After step 1 has been completed, press the “
Length
” soft key. The
screen returns the length selection menu. For DL1520L, “
2M
” menu
is not displayed
3.
Press the soft key corresponding to the maximum displayable record
length that you want to use.
Explanation
Selecting acquisition mode
Acquisition mode can be selected from the following modes. The default setting is
“NORMAL”.
• NORMAL (normal mode)
Sampled data is stored in the acquisition memory without specific data processing.
• ENVELOPE (Envelope mode)
The data is sampled at 100 MS/s. Each time data is stored in the acquisition memory, the
maximum and minimum values are extracted. These are then stored in the acquisition
memory and used to display the envelope waveform.
• AVERAGE (Averaging mode)
The averaging count can be set to values between “1” and “256” in steps of 2 n.
An = {(N - 1)A
n
-
1
+ X
n
}
1
N
An
Xn
N
: Value obtained after nth averaging
: nth measured value
: Attenuation constant
Keys and Procedure
ACQ key
Rotary knob
Soft keys
