Quick Start Guide

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Useful Information
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(1) Memory function
Stores A/D-converted data in the memory for each sampling operation. Changing the time
axis also alters the sampling frequency.
(2) Recorder function
The sampling frequency is fixed. Because changing the sampling frequency does not alter the
time axis, measurement at a fast sampling speed is possible even with a slow time axis.
(Envelope recording)
Real-time printing is possible (time axis: 500 ms/DIV and up).
(3) Recorder & memo ry function (Chapter 3 in the Instruction Manual)
Even when the recorder mode is used, abrupt signal waveforms can be captured in the
memory mode.
(4) FFT function (Chapter 4 in the Instruction Manual)
Spectrum analysis and a transfer function can be obtained.
(5) Power monitor function (requires installation of the optional software "9549 FUNCTION UP
DISK")
An instantaneous waveform and trend graph can be observed.
1. About the function keys
(1) When using the memory function
The sampling frequency equals 1/100 of the time axis. In the case of a 100-ms/DIV tim e axis,
the sampling frequency bec omes 1 ms.
(2) When using the recorder function
Wi th 1/100 of the time axis as one point, the minimum and maximum values (MIN and MAX
data) at the fixed sampling frequency are displayed as one-point two-data.
One point on the time axis of 10 ms/DI V equals 100 ms. When the sampling frequency is set
to 1 ms, one point corresponds to 100 samples. Two pieces of data - the maximum and
minimum values of these 100 sample s -- are displayed as one point on the screen (envelope
recording).
2. About the time axis and sampling
The number of pieces of data in a recording length of 1 DIV is 100.
The total number of pieces of data in the entire recording length is as follows: set recording
length (number of DIV) x 100 pieces of data + 1.
(Example) Number of pieces of data in a set recording length of 500 DIV is as follows: 50 DIV
x 100 data + 1 = 5001 pieces of data.
3. About the recording lengths
The pre-trigger setting i s set by entering the percentage of the pre-trigger recording length
(number of pieces of data) in the total recording length (all data).
(Example) Setting of a pre-trigger of 5% for a recording length of 1000 DIV
The recording length (number of pieces of data) prior to the trigger is as follows:
1000 DIV x 5% = 50 DIV (5000 data).
4. About the pre-trigger
Useful Inform ation