Casio LK-50 Power Supply Manual

Also see for LK-50: Function guide Troubleshooting MIDI guide Specifications General guide

Contents

Casio LK-50 Power Supply Manual Manual pdf 1 page image

E-12This keyboard can be powered by current from a standard householdwall outlet (using the specified AC adaptor) or by batteries. Always makesure you turn the keyboard off whenever you are not using it.Using batteriesAlways make sure you turn off the keyboard before loading or re-placing batteries.To load batteries1. Remove the battery compartment cover.2. Load 6 AA-size batteries into the battery compartment.• Make sure that the positive (+) and negative (–) ends are fac-ing correctly.3. Insert the tabs on the battery compartment cover intothe holes provided and close the cover.The keyboard may not function correctly if you load or replace bat-teries with power turned on. If this happens, turning the keyboardoff and then back on again should return functions back to normal.Important Battery Information The following shows the approximate battery life.Alkaline batteries ............................................... 4 hours(Manganese batteries ......................................... 30 minutes)The above value is standard battery life at normal temperature, withthe keyboard volume at medium setting. Temperature extremes orplaying at very loud volume settings can shorten battery life.❚ NOTE ❚We recommend that you use the separately available AC adaptor or alka-line batteries to power this keyboard. Any of the following symptoms indicate low battery power. Replacebatteries as soon as possible whenever any of the following occurs.• Dim power supply indicator• Instrument does not turn on• Dim, difficult to read display• Abnormally low speaker/headphone volume• Distortion of sound output• Occasional interruption of sound when playing at high volumes• Sudden power failure when playing at high volumes• Dimming of the display when playing at high volume• Abnormal rhythm pattern and demo tune play• Dimming of keyboard lights when notes sound• Loss of power, sound distortion, or low volume when playingfrom a connected computer or MIDI deviceIMPORTANT!Improper handling of batteries can cause them to burst and leak,which creates the danger of personal injury or damage due to contactwith battery acid. Be sure to note the following important precautions.• Always make sure that the positive (+) and negative (–) poles arefacing correctly as indicated inside the battery compartment.• To avoid damage caused by leaking batteries, be sure to removebatteries from the keyboard whenever you leave it unattended forlong periods (such as when leaving on a trip).• Never mix batteries of different types.• Never mix old batteries with new ones.Power Supply• Never discard batteries by incinerating them, do not allow theirpoles to be shorted (connected to each other), never take batteriesapart, and do not expose batteries to direct heat.• Replace batteries as soon as possible after any sign they are get-ting weak.• Never attempt to recharge batteries.Using the AC AdaptorMake sure that you use only the AC adaptor specified for this key-board.Specified AC Adaptor: AD-5Also note the following important warnings and precautions whenusing the AC adaptor.WARNING!• Take care to avoid any damage to or breakage of the power cord. Neverplace any heavy objects on the power cord or expose it to direct heat.Doing so creates the danger of power cord damage, fire, and electricalshock.• Use only the specified AC adaptor. Use of another type of adaptor cre-ates the danger of fire and electrical shock.CAUTION!• For safety sake, be sure to unplug the AC adaptor from the wall outletwhenever leaving the keyboard unattended for a long time (such aswhen leaving on a trip).• Always turn off the keyboard and unplug the AC adaptor from the walloutlet when you are not using the keyboard.IMPORTANT!• Make sure that the keyboard is turned off before connecting or dis-connecting the AC adaptor.• Using the AC adaptor for a long time can cause it to become warmto the touch. This is normal and does not indicate malfunction.Auto Power OffWhen you are using battery power, keyboard power turns off auto-matically whenever you leave it on without performing any opera-tion for about 6 minutes. When this happens, press the POWER but-ton to turn power back on.❚ NOTE ❚Auto Power Off is disabled (it does not function) when you are using theAC adaptor to power the keyboard.474A-E-014AOUT INMIDIPHONES/OUTPUTASSIGNABLEJACKDC 9VDC 9V jackAC adaptor AD-5AC outlet

/ 2

Related manuals for Casio LK-50