Add or Remove pressure engineering units on a Field Gauge
1. Update or download & install the latest version of the FieldLab Desktop app on your Windows computer to Version 1.40.4 or later.
2. Open FieldLab Desktop.
3. Connect Field Gauge to your computer with provided USB Cord.
4. Power on Field Gauge.
5. Select the Field Gauge you wish to administer on the Devices screen in FieldLab Desktop
![](https://s3.amazonaws.com/assets.ralstonfieldlab.com/images/png/Select-Field-Gauge-Devices-Screen.png?mtime=20190719164113)
6. Select the Settings Tab
![](https://s3.amazonaws.com/assets.ralstonfieldlab.com/images/png/settings-tab-lc-gauge.png?mtime=20181002121055)
![](https://s3.amazonaws.com/assets.ralstonfieldlab.com/images/png/change-engineering-units-change-button-lc10.png?mtime=20181010143410)
8. Add and/or remove pressure units from the Field Gauge as desired.
![](https://s3.amazonaws.com/assets.ralstonfieldlab.com/images/png/change-engineering-units-screen-lc.png?mtime=20181010143810)
Field Gauge can hold two custom engineering units at a time.
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