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o
Checking the remaining battery power
The remaining power of the rechargeable battery can be checked from
the number of alert sounds or audio guidance. It can also be checked
from the number of times the charging LED flashes. Press and hold the
1/3 button for approximately 2 second to turn the power on, then
press the call button twice when a call is not in progress.
.
L
×2
Number of alert
sounds
Number of times the
charging LED flashes
Remaining time of
rechargeable battery
Four times Four times Approx. 20 hours
Three times Three times Approx. 10 hours
Twice Twice Approx. 5 hours
Once Once Less than 1 hours
0
When the remaining power of the rechargeable battery is running low, the charging
LED flashes at approximately 3-second intervals together with an alert sound.
0
You can also check the remaining power of the rechargeable battery on an iPhone.
(*)
z
The remaining power of the rechargeable battery can be displayed as a
percentage (%) on an iPhone, but this number is an approximate value.
Contents Preparation Connections Operation Troubleshooting Appendix
9
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