IOGear GBHFK331 - Manual (Page 28)

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Restore to Default Settings
When the Speakerphone is on and in standby mode, press and hold both “+” 1.
and “-“ buttons for 10 seconds until the BLUE and RED LED flash 5 times.
Then the Speakerphone will enter pairing mode automatically after the reset.
When the Speakerphone is not powered on, turn on the Speakerphone and
2.
press and hold both “+” and “-“ buttons for 10 seconds until the BLUE and
RED LED flash 5 times. Then the Speakerphone will resume standby mode
automatically after the reset.