You can restore the factory settings of the FP-4 by performing a factory reset.
CAUTION: All user data will be permanently deleted. Back up any information you wish to keep before proceeding.
- Turn the FP-4 off.
- Hold down the [Function] button, and press the [Power] switch to turn on the power.
⚠️ Continue holding the FUNCTION button until "Fct" appears in the display. - Release the FUNCTION button.
When the display returns to normal, the factory settings have been restored.
⚠️ Do not turn off the power during a Factory Reset. Doing so may corrupt internal data and prevent the unit from powering on.