Yokogawa Button Operated DX2000 - Manual (Page 29)

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IM 04L42B01-01E
• Added Messages
Added messages can be written. For the operating procedure, see section 5.4.
• Auto Span Display (Release number 3 or later)
The DX can automatically adjust the display span of the selected channel.*It sets
the span based on the maximum and minimum displayed historical data values. This
setting is deactivated when you switch to another group.
* Auto span affects channels that are in the same scale position as the selected channel.
When the maximum or minimum values are outside of the set display span
0
0
Auto span
Time axis Time axis
Measured value Measured value
When the maximum or minimum values are within the set display span
0 0
Time axis Time axis
Auto span
Measured value Measured value
If the maximum or minimum data value falls outside the maximum selectable display
span, the DX adjusts the display span to the maximum or minimum possible value.
The DX responds in the same way when it encounters overflow data.
• Top Channel Display (Release number 3 or later)
Displays the selected channel’s historical trend waveform in front of all of the others.
This setting is deactivated when you switch to another group.
• Signature (Only on DXs with the /AS1 advanced security option)
See the Advanced Security Function (/AS1) User’s Manual, IM 04L41B01-05EN.
1.3 Display