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When set to “ON,” the BA-55 will automatically turn off after no operation has been performed for a certain length of time (p. 16) [POWER] Switch This switches the power on and off (p. 11) MIC input Jack You can connect a wired mic to this jack (p. 13). LINE AUDIO Input Jack: RCA PIN type You can connect a CD player or digital audio player to these jacks (p. 14). LINE AUDIO Input Jack: Stereo mini type You can connect a CD player or digital audio player to these jacks (p. 14). LINE INST Input Jack These are 1/4” phone input jacks. You can connect electronic musical instruments here. Use the L/ MONO jack if you’re making a monaural connection (p. 14). LINE OUT Jack You can connect a recording device to these jacks, or connect them to external powered speakers to expand your system. DC IN (AC Adaptor) Jack Connect the included AC adaptor here (p. 10). Storage compartment The included wireless mic and AC adaptor can be stored here (p. 16). Battery Case Install batteries here. The entire battery case can be removed and installed with the batteries (p. 11). Panel Descriptions Wireless Microphone (DR-WM55) The BA-55 can use two dedicated wireless mics at the same time. Use the included mic or a separately sold mic (Roland DR-WM55). Commercially available wireless mics cannot be used. 1 3 2 4 1 2 3 4 [ECHO OFF] switch This turns off the echo that applies to the wireless mic (p. 15). [ECHO ON] switch This turns on the echo that applies to the wireless mic (p. 15). If the panel’s [ECHO] knob is in the OFF position, there will be no echo even if you press the [ECHO ON] switch. Power indicator This will light when the wireless mic is switched on (p. 12). Power switch This turns the wireless mic’s power on/off (p. 13). 9 Deutsch Francais English Italiano Espanol Portugues Nederlands Getting Ready Preparing the BA-55 This unit can operate using its AC adaptor or on batteries. Use the AC adaptor if you’re indoors or near an electrical outlet. Use batteries if you’re outdoors or if an electrical outlet is unavailable. Installing Batteries Remove the battery compartment cover. 2 Loosen the screws from these two locations. 1 Insert batteries, taking care to observe the correct polarity. 3 Removing the battery case Although it is possible to replace the batteries without removing the battery case, battery replacement will be easier if you remove the battery case. Loosen the screws from these two locations. Remove the battery case. 1 2 * We recommend that you keep batteries installed in the unit even though you’ll be powering it with the AC adaptor. That way, you’ll be able to continue a performance even if the cord of the AC adaptor gets accidently disconnected from the unit. * To prevent malfunction and speaker damage, make sure to switch off the BA-55’s power before you insert or replace its batteries, and before connecting it to other devices. * Take care that no metal object touches the contacts of the battery case. This can short-circuit the batteries, causing the case to overheat or burn. About batteries Batteries that can be used with the BA-55 and the DR-WM55 wireless mic BA-55 • Alkaline battery (AA, LR6) x 8 • Rechargeable Ni-MH battery (AA, HR6) x 8 Wireless Microphone:(DR-WM55) • Alkaline battery (AA, LR6) x 2 • Rechargeable Ni-MH battery (AA, HR6) x 2 * Rechargeable Ni-MH batteries cannot be recharged by the BA-55 itself. You’ll need to use a commercially available battery charger. • When operating on battery power only, the unit’s indicator will become dim when battery power gets too low. Replace the battery as soon as possible. • The wireless mic’s power indicator will blink when the mic batteries run low. Replace the battery as soon as possible. Expected battery life under continuous use: BA-55 Type of battery Battery life Alkaline battery (AA, LR6) approx. 6 hours Rechargeable Ni-MH battery (AA, HR6) approx. 6 hours Wireless Microphone (DR-WM55) Type of battery Battery life Alkaline battery (AA, LR6) approx. 24 hours Rechargeable Ni-MH battery (AA, HR6) approx. 24 hours Caution regarding batteries • Incorrect handling of batteries, rechargeable Ni-MH battery, or a battery charger can cause leakage, overheating, fire, or explosion. Before use, you must read and strictly observe all of the precautions that accompany the batteries, rechargeable Ni-MH battery, or battery charger. • When using rechargeable Ni-MH batteries and a charger, use only the combination of rechargeable Ni-MH battery and charger specified by the battery manufacturer. • Carefully follow the installation instructions for batteries, and make sure you observe the correct polarity. • Avoid using new batteries together with used ones. In addition, avoid mixing different types of batteries. • Carefully read and observe the cautions and handling instructions that accompany the batteries. • Remove the batteries whenever the unit is to remain unused for an extended period of time. • If a battery has leaked, use a soft piece of cloth or paper towel t...