Bose Acoustic Wave II Acoustic Wave® power pack - Owner's guide - Page 6

English Deutsch Español Français Using The Power Pack Checking the charge level To check the charge level of the power pack, press the test button. Count the number of glowing indicators to determine the remaining charge. The indicators glow for only three seconds. Figure 3 Reading the power pack indicators Test button Remaining charge: 1 to 25% 26 to 50% 51 to 75% 76 to 100% Power pack handling and precautions • When the Acoustic Wave® music system is off, it still draws energy from the power pack. To save battery power, please disconnect the power pack when not using the system. • A fully charged power pack provides up to 12 hours of usedepending on volume setting and source played. Replace the power pack when it no longer provides adequate power after charging. • Avoid storing the power pack in a discharged state, which may decrease its capacity and life. For maximum life, recharge a completely drained power pack after use and before storage. • Avoid extreme temperatures when charging the power pack. Charging should occur in locations where the temperature is between 32°F (0°C) and 104°F (40°C). • For maximum life, store the power pack in a dry, cool location where the temperature is between -4°F (-20°C) and 122°F (50°C). Nederlands Italiano Thai Arabic S. Chinese Korean 6