User's Manual

Z.T.S. Intermational Industrial Co. Ltd G28i
Page 105
Appendix 2 Troubleshooting of the Bluetooth
Facts Possible reason
Bluetooth
earphone
Can not
power on
The power of earphone may be
exhausted, please charge it.
No indication
when
charging
The bluetooth earphone maybe switch
to self –protect mode automatically
when first time to charging or unused
for long time . It will recover to the
normal mode after 30-90m.
BT earphone
can not
paired with
handset
1.Check whether the led on earphone
is winking in blue color and red color
alternately, and whether the frequency
is proper.
2. Check whether the handset BT
function has been turned on and the
BT icon has been shown on the