Motorola HK100 Headset HK100 - Manual (Page 11)

Pair & connect 9
Restore to factory settings
Caution: This action erases all pairing information
stored in your headset.
1
Turn your headset off.
2
Press and hold the Call button and wait for a
tone after hearing the start up tones (or voice
prompt for the Spanish and Mandarin
versions).