- Hold the Up and Down arrows buttons.
- Power up of the drive.
- Keypad reads, "RESTORE DEFAULTS, UP TO CONFIRM"
- Press UP
- Keypad reads, "RESTORE DEFAULTS, COMPLETE"
The second method is to install a default template from the software DSELite.
This is also elaborated on in the manual for the 690+. Follow this quicklink for the 690+ on Parker.com - Manual, QuickStarts, Product Support, etc