User manual CASIO LK-73

[. . . ] Important! Please note the following important information before using this product. Before using the optional AD-5 Adaptor to power the unit, be sure to check the AC Adaptor for any damage first. Carefully check the power cord for breakage, cuts, exposed wire and other serious damage. Always make sure that positive (+) and negative (­) poles are facing correctly as indicated near the battery compartment. [. . . ] A sub-melody (obbligato) plays in time with the melody, as long as you press the correct keyboard keys. E-12 641A-E-014A Power Supply Power Supply This keyboard can be powered by current from a standard household wall outlet (using the specified AC adaptor) or by batteries. Always make sure you turn the keyboard off whenever you are not using it. Any of the following symptoms indicate low battery power. Replace batteries as soon as possible whenever any of the following occurs. Dim power indicator Instrument does not turn on Display that is flickering, dim, or difficult to read Abnormally low speaker/headphone volume Distortion of sound output Occasional interruption of sound when playing at high volume Sudden power failure when playing at high volume Flickering or dimming of the display when playing at high volume Continued sound output even after you release a key A tone that is totally different from the one that is selected Abnormal rhythm pattern and Song Bank play Dimming of keyboard lights when notes sound Loss of power, sound distortion, or low volume when playing from a connected computer or MIDI device Using batteries Always make sure you turn off the keyboard before loading or replacing batteries. To load batteries 1. Remove the battery compartment cover. 2. Load 6 D-size batteries into the battery compartment. Make sure that the positive (+) and negative (­) ends are facing correctly. Misuse of batteries can cause them to leak, resulting in damage to nearby objects, or to explode, creating the risk of fire and personal injury. Make sure the positive (+) and negative (­) ends of the batteries are facing correctly. 3. Insert the tabs on the battery compartment cover into the holes provided and close the cover. The keyboard may not function correctly if you load or replace batteries with power turned on. If this happens, turning the keyboard off and then back on again should return functions back to normal. Misuse of batteries can cause them to leak resulting in damage to nearby objects, or to explode, creating the risk of fire and personal injury. Remove batteries from the product if you do not plan to use it for a long time. Important Battery Information The following shows the approximate battery life. 5 hours* * The above value is standard battery life at normal temperature, with the keyboard volume at medium setting. Temperature extremes or playing at very loud volume settings can shorten battery life. 641A-E-015A E-13 Power Supply Using the AC Adaptor Make sure that you use only the AC adaptor specified for this keyboard. Misuse of the AC adaptor creates the risk of fire and electric shock. Do not locate the electric cord near a stove or other sources of heat. Unplug the AC adaptor from the wall outlet during lightning storms or before leaving on a trip or other long-term absence. At least once a year, unplug the AC adaptor from the wall outlet and wipe away any dust that is built up in the area around the prongs of the plug. Specifled AC Adaptor: AD-5 1 2 3 DC 9V jack AC adaptor AD-5 AC outlet Make sure that the keyboard is turned off before connecting or disconnecting the AC adaptor. Using the AC adaptor for a long time can cause it to become warm to the touch. This is normal and does not indicate malfunction. Also note the following important warnings and precautions when using the AC adaptor. Misuse of the AC adaptor creates the risk of fire and electric shock. Be sure to use only the AC adaptor that is specified for this product. Use only a power source whose voltage is within the rating marked on the AC adaptor. Should the electric cord or plug become damaged, contact your original retailer or authorized CASIO Service Provider. Doing so creates the risk of electric shock. Auto Power Off When you are using battery power, keyboard power turns off automatically whenever you leave it on without performing any operation for about 6 minutes. When this happens, press the POWER button to turn power back on. Auto Power Off is disabled (it does not function) when you are using the AC adaptor to power the keyboard. Power On Alert Keyboard keys light to alert you if you leave power on and do not perform any operation for about 6 minutes. When this happens, press any button or keyboard key to clear the power on alert. Power on alert operates only when you are powering the keyboard using the AC adaptor. It does not operate when you are using batteries. E-14 641A-E-016A Power Supply To disable Auto Power Off and power on alert Hold down the TONE button while turning on the keyboard to disable Auto Power Off and power on alert. When these functions are turned off, the keyboard does not turn off automatically and no alert is performed no matter how long it is left with no operation being performed. [. . . ] The timing when the ending pattern starts depends on when you press the SYNCHRO/ ENDING button. If you press the button before the second beat of the current measure, the ending pattern starts playing immediately. Pressing the button at any point in the measure after the second beat results in the ending pattern playing from the beginning of the following measure. 1 Flash E-26 641A-E-028A Auto Accompaniment Adjusting the Accompaniment Volume You can adjust the volume of the accompaniment parts as a value in the range of 000 (minimum) to 127. 1. Press the ACCOMP VOLUME button. 1 Current accompaniment volume setting 2. Use the number buttons or the [+]/[­] buttons to change the current volume setting value. Example: 110 The current accompaniment volume value that appears in Step 1 automatically clears from the display if you do not input anything within about five seconds. Pressing [+] and [­] buttons at the same time automatically sets an accompaniment volume of 088. 641A-E-029A E-27 Song Bank Song Bank 1 4 7 bk SONG BANK Number buttons STOP FF 2 5 8 bl TONE START/STOP PLAY/PAUSE [+]/[­] 3 6 9 DEMO TEMPO REW This keyboard features a built-in Song Bank of 100 tunes that can be used for Auto Accompaniment playback. [. . . ]