User manual ROLAND ST-2

[. . . ] 各部の名称とはたらき AC アダプター端子 CHECK（チェック）インジケーター エフェクト・オン／オフの表示と、バッテリー・チェックの機能を備えたイン ジケーターです。 エフェクト・オン時に点灯して、エフェクト・オン／オフの確認ができます。 ※ インジケーターが暗くなったり点灯しなくなったりしたときは、電池が消耗 していますので、新しい電池と交換してください。交換方法については、 『電 池交換のしかた』をご覧ください。 ※ CHECK インジケーターはエフェクト・オン／オフを表すインジケーターで す。電源のオン／オフの表示ではありません。 Panel Descriptions AC Adaptor Jack Accepts connection of an AC Adaptor (PSA series; optional). By using an AC Adaptor, you can play without being concerned about how much battery power you have left. * Use only the specified AC adaptor (PSA series; optional), and connect it to an AC outlet of the correct voltage. * If the AC adaptor is connected while power is on, the power supply is drawn from the AC adaptor. [. . . ] To prevent unnecessary battery consumption, be sure to disconnect the plug from the INPUT jack when not using the effects unit. Âター・アンプ Guitar Amplifier サム・スクリュー このサム・スクリューをゆるめる とペダルが開き、電池の交換が簡 単に行なえます。 Thumbscrew When this screw is loosened, the pedal will open, allowing you to change the battery. * For instructions on changing the battery, refer to “Changing the Battery. Electric Guitar ペダル・スイッチ エフェクト・オン／オフの切り替えスイッチです。 エレクトリック・ギター ※ 交換方法については、 『電池交換 のしかた』をご覧ください。 Precautions When Connecting * To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections. Do not use cables that incorporate resistors for connecting to this unit. The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable. * If you’ll be using the ST-2 for an extended time, we recommend that you use an AC adaptor. * Raise the amp volume only after turning on the power to all connected devices. * Once the connections have been completed, turn on power to your various devices in the order specified. By turning on devices in the wrong order, you risk causing malfunction and/ or damage to speakers and other devices. Troubleshooting Power won’t come on/CHECK indicator doesn’t light: ● Is your guitar properly connected to the INPUT jack?* The power will not turn on without a plug connected to the INPUT jack. * The CHECK indicator shows whether the effect is being applied or not. ● Is the specified adaptor (PSA series; optional) properly connected?* Never use any AC adaptor other than one specified for use with the ST-2. * The battery that is supplied with the unit is for temporary use, intended primarily for testing the pedal’s operation. * If you’ll be using the ST-2 for an extended time, we recommend that you use an AC adaptor. * To prevent unnecessary battery consumption, be sure to disconnect the plug from the INPUT jack when not using the effects unit. No sound/Low volume: ● Is your instrument properly connected to the ST-2? [. . . ] BOSS is a registered trademark of BOSS Corporation in the United States and/or other countries. Remove the old battery from the battery housing, and remove the snap cord connected to it. Connect the snap cord to the new battery, and place the battery inside the battery housing. * Be sure to carefully observe the battery’s polarity (+ versus -). [. . . ]