5-6 Keysight B2961A/B2962A User’s Guide, Edition 3Front Panel OperationsTo Use Functions other than MeasurementTo Set Power Frequency1. Press the More > System > PLC function keys.2. Press 50 Hz or 60 Hz. To cancel the setting change, press the Cancel/Local key.To Return to Factory Shipment Condition1. Press the More > System > More > Factory function keys.2. Press OK to apply. To cancel the operation, press the Cancel/Local key.To Apply Initial Settings1. Press the More > System > Reset function keys.The Confirmation dialog box and the following function keys appear.Display Initializes the display settings.H/W Initializes the hardware settings.ALL Initializes all settings.2. Press one of these keys. To cancel the operation, press the Cancel/Local key.To Set Beeper1. Press the More > System > More > Sound function keys.2. To enable the beeper, press ON. To disable it, press OFF. To cancel the settingchange, press the Cancel/Local key.To Set Date and Time1. Press the More > System > More > Info. function keys.2. Press Date/Time.The Date and Time dialog box opens.3. Set the date and time.4. To apply the settings, press Apply.To apply the settings and close the dialog box, press OK.To cancel the setting change, press the Cancel/Local key.