ALFA KS-SF22R Manual Del Usuario página 5

1) Press the second key of the original remote control once, next long press the fourth key and
don't release. Bicycle alarm will go off a long sound twice. 5s later, there will be a short sound.
2) At this time, release the fourth key, then press the second key of additional remote control
once, alarm will ring "Bi Bi" which means the pairing is successful.
How to choose ringtone you want?
Press the the second key once, then press the third key to change and select the ringtone, there
are 6 ringtone. The alarm will remember the current ringtone.
When you press the last key, alarm will set off the ringtone you select.
Battery low indicate
When bicycle alarm is in low battery condition, there will be weak sound "Du.. Du" when you
press remote control
When remote control is in low battery condition, the indicator light will be weak.
Wide Application