User's Manual

X2 Transponder Manual (Revision 2.20) Page 28 of 34
6.3. Charging (Rechargeable X2 Transponder only)
 Make sure the X2 Transponder is dry before charging.
 If the transponder is inactive for long periods, charge it once every three months.
1. Mount the X2 RaceKey on the X2 Transponder.
2. Connect the USB cable from a USB/wall adapter source (e.g. laptop) to the X2 RaceKey.
3. The charge indicator light blinks red during charging. Wait till the light turns solid green (the
transponder is fully charged).
4. Remove the USB cable and disconnect the X2 RaceKey from the transponder. The indicator lights
(see section 3.2.3 X2 Transponder Rechargeable) on the transponder indicates how long the
transponder can be used.