Sony DRC-BT15 Operating Instructions - Page 9

Caution If this unit detects a problem while charging, the indicator (red) may turn off, although charging is not complete. Check for the following causes: - Ambient temperature exceeds the range of 0 °C - 40 °C (32 °F - 104 °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. Usage hours* Status Approx. usage hours Communication time (including music playback time) (up to) 6 hours Standby time (up to) 100 hours * Time stated above may vary, depending on ambient temperature or conditions of use. Checking the remaining battery When pressing the POWER button while the unit is turned on, the indicator (red) flashes. You can check the remaining battery by the number of times the indicator (red) flashes. Indicator (red) 3 times 2 times 1 time Status Full Mid Low (needs to charge) Note You cannot check the remaining battery immediately after the unit is turned on, or while pairing. When the battery is almost empty The indicator (red) flashes slowly automatically. When the battery becomes empty, a beep sounds and the unit will turn off automatically. 9 US