EYFR03 User Manual 43 of 110 v1.6.0Chapter 3: Configuring the unit 20 January 2020Function keys1. No function2. No function3. Set Ch X [ENT] – Selects the best channel and returns to the Qualifier Settings screen.4. RETURN [ESC] – Returns to the Qualifier Settings screen without selecting a channel.The new channel will not be saved to permanent memory until saving from the Qualifier Settingsscreen. When a channel change is saved, the unit will go to the Channel Change screen to guideyou through updating all learned tools to use the new channel after saving from the QualifierSettings screen.