Altium Designer 文档
Retired Documentation No Longer Applicable to a Later Version of Altium Designer
Retired Documentation - Preferences
Sch_Dlg-SchPrefsForm_UnitsSchematic - Default Units_AD
Created: 五月 10, 2017 | Updated: 五月 11, 2017
| Applies to version: 17.1
The feature documented here is no longer part of the software beyond version 17.1. Click to return to: Altium Designer Documentation for version 25
The Schematic - Default Units page of the Preferences dialog.
Summary
The Schematic – Default Units page of the Preferences dialog provides controls related to default unit settings in the schematic.
Access
The Schematic – Default Units page is part of the main Preferences dialog (DXP » Preferences) and is accessed by clicking the Default Units entry under the Schematic folder, in the left-hand pane of the dialog.
Options/Controls
Imperial Unit System
- Use Imperial Unit System - enable this option to use imperial units in schematic projects.
- Imperial Unit used - from the drop-down list, choose one of the available imperial units; Mils, Inches, Dxp Defaults (10 mils) and Auto-Imperial. If Auto-Imperial is selected, the system will switch from
milstoincheswhen the value is greater than 500mils.
Metric Unit System
- Use Metric Unit System - enable this option to use the metric units for schematic projects.
- Metric Unit used - from the drop-down list, choose one of the available metric units; Millimeters, Centimeters, Meters, and Auto-Metric. If Auto-Metric is selected, the system will switch from
millimeterstocentimeterswhen the value is greater than 100mm, and from centimeters to meters when the value is greater than 100cm.
Unit System
Reports the current default unit setting for new documents, and indicates a pending unit change.