Related Clues:

• Return to zero, say
• Briefly unplug, perhaps
• "Clear everything" button
• European in company of others adjusted once more
• Take it power cut is to continue
• Start again after a break
• Pedometer function
• Trip odometer function
• Update, as a clock
• Factory ___ (smartphone last resort)
• Job application component
• 'Go back to zero' button
• Put back to level one, say
• Change back to zero
• Zeroed