YOKOGAWA DL 1540 User Manual

7-4
IM 701510-01E
7.3 Zooming the Waveform
1. Press the ZOOM key to display the zoom setting menu.
Displaying the pre-zoom and expanded waveform
2. Press the “MainZoom” soft key of the “ZOOM Mode” setting. The
expansion rate and position selection menu appears.
Setting the expansion rate and position
3. After having pressed the “ZOOM” soft key of the “ZOOM Knob”
setting, use the rotary knob to adjust the expansion rate.
4. After having pressed the “POS” soft key of the “ZOOM Knob”
setting, use the rotary knob to adjust the position.
Displaying the expanded waveform only
2. After step 1 has been completed, press the “ZOOM” soft key of the
“ZOOM Mode” setting. The expansion rate and position are as
described in step 3 and 4.
Displaying the pre-zoom waveform only
2. After step 1 has been completed, press the “MAIN” soft key of the
“ZOOM Mode” setting. The expansion rate and position are as
described in step 3 and 4.
Explanation
Expansion Rate
• Expansion rate limits
The expansion rate which can be set varies according to the specified record length of the
pre-zoom waveform. The specified record length depends on the model, time axis setting,
sampling mode and trigger mode. For more details, refer to Appendix 2/Appendix 3.
The following table shows the maximum expansion rates for some record lengths.
Displayed record length 2M(8div) 2M 1M 800K(8div) 500K 400K(8div)
Maximum expansion rate 25000 20000 10000 10000 5000 5000
Setting position step (div) 0.00002 0.00001 0.00001 0.00001 0.00002 0.00002
Displayed record length 400K 200K 160K(8div) 100K 50K 40K
Maximum expansion rate 4000 2000 2000 1000 500 400
Setting position step (div) 0.00005 0.00005 0.00005 0.0001 0.0002 0.0005
Displayed record length 20K 10K 5K 4K 2K 1K
Maximum expansion rate 200 100 50 40 20 10
Setting position step (div) 0.0005 0.001 0.002 0.005 0.005 0.01
Displayed record length 500 400 200 100
Maximum expansion rate 5 4 2 1
Setting position step (div) 0.02 0.05 0.05 0.1
Keys and Procedure
ZOOM key
Rotary knob
Soft keys

YOKOGAWA DL 1540 Specifications

General

Brand	YOKOGAWA
Model	DL 1540
Category	Test Equipment
Language	English