Casio LK94 User Guide - Page 16
Power On Alert, Memory Contents, Auto Power Off
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Power Supply Note the following important precautions to avoid damage to the power cord. GDuring Use • Never pull on the cord with excessive force. • Never repeatedly pull on the cord. • Never twist the cord at the base of the plug or connector. • The power cord should not be stretched tight while it is in use. GDuring Movement • Before moving the keyboard, be sure to unplug the AC adaptor from the power outlet. GDuring Storage • Loop and bundle the power cord, but never wind it around the AC adaptor. IMPORTANT! • 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. 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. NOTE • Auto Power Off is disabled (it does not function) when you are using the AC adaptor to power the keyboard. To disable Auto Power Off Hold down the TONE button while turning on the keyboard to disable Auto Power Off. NOTE • When this function is turned off, the keyboard does not turn off automatically no matter how long it is left with no operation being performed. • Auto Power Off is enabled again when you manually turn off power and then turn it back on again. Power On Alert Keyboard keys light to alert you if you leave power on and do not perform any operation for about 6 minutes. Note that keys light only, and no sound is produced. When this happens, press any button or keyboard key to clear the power on alert. NOTE • Power on alert operates only when you are powering the keyboard using the AC adaptor. It does not operate when you are using batteries. To turn off power on alert 1 Press the SETTING button a number of times until "DEMO 2" appears on the display. 2 Use the [+] and [-] buttons to change the setting to "oFF". 3 Press the SETTING button to clear the setting screen from the display. Memory Contents Even when the keyboard is turned off, song memory contents are retained as long as power is being supplied to the keyboard. Unplugging the AC adaptor when batteries are not loaded or when batteries are dead cuts off the power supply. This causes all keyboard settings to be initialized to the initial factory defaults, and clears all data stored in memory. Power Requirements Note the following precautions whenever you want to ensure that current keyboard settings and memory contents are not lost. • Make sure the keyboard is being supplied power through the AC adaptor before replacing its batteries. • Before unplugging the AC adaptor, make sure that fresh batteries are loaded in the keyboard. Make sure that keyboard power is turned off before replacing batteries or unplugging the AC adaptor. E-14 655A-E-016A