HoMedics HTD8816C Manual page 13

• Prompt sound settings ON/OFF function
Under the boot mode. Short press on/off button, at the same time press the "MODE"
button to take on or take off the Prompt sound function.
• Restore to factory setting function
Under the boot mode, short press on/off button, at the same time press the MEMO
button until LCD display "rst". Two seconds later, former F1-F3 parameter back to
factory setting.
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