Sony DR BT160IK Operating Instructions Manual page 12

Notes
• If this unit is not used for a long time, the headset indicator (red) may not light
up when you connect the AC power adaptor to charge this unit. In this case, do
not disconnect the AC power adaptor from the unit and wait until the headset
indicator (red) lights up.
• To close the cover of the DC IN 3 V jack after completion of charging, push in
the cover securely until it is pressed against the jack.
Caution
If the headset detects a problem while charging, the headset indicator (red) may
turn off, although charging is not complete.
Check for the following causes:
– Ambient temperature exceeds the range of 0 °C – 45 °C (32 °F – 113 °F).
– There is a problem with the battery.
In this case, charge again within the above-mentioned temperature range.
If the problem persists, consult your nearest Sony dealer.
Notes
•
If the battery is not used for a long time, battery may be quickly depleted,
however, after a few recharges, battery life will improve.
•
If the life of the built-in rechargeable battery drops to half the normal length, the
battery should be replaced. Consult your nearest Sony dealer for replacement of
the rechargeable battery.
•
Avoid exposure to temperature extremes, direct sunlight, moisture, sand, dust or
mechanical shock. Never leave in a car parked in the sun.
•
Use only the supplied AC power adaptor. Do not use any other AC power
adaptor.
Battery usage hours
Status
Communication time (including music
playback time) (up to)
Standby time (up to)
* Time stated above may vary, depending on ambient temperature or conditions
of use.
1 1
US US
*
Approx. usage hours
7 hours
100 hours