Yamaha EZ-220 Owner's Manual - Page 11
Turning the power on/off, Auto Power Off, Connecting headphones and, external audio equipment - features
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Setting Up When battery power becomes too low for proper operation, the volume may be reduced, the sound may be distorted, and other problems may occur. When this happens, make sure to replace all batteries with new ones or already-recharged ones. NOTE • This instrument cannot charge the batteries. Use only the specified charger device when charging. NOTE • Power will be automatically drawn from the AC adaptor if an AC adaptor is connected while batteries are installed in the instrument. Turning the power on/off To turn on the power, press the [ ] (Standby/On) switch. To turn off the instrument, press and hold the [ ] (Standby/On) switch again for more than a second. Disabling Auto Power Off (simple method) Turn the power on while holding down the lowest key on the keyboard. An "oFF AutoOff" indication appears briefly and Auto Power Off is disabled. NOTICE • Depending on the instrument status, the power may not turn off automatically, even after the specified period of time elapses. Always turn off the power manually when the instrument is not in use. • When the instrument is not operated for a specified period of time while connected to an external device such as an amplifier, speaker or computer, make sure to follow the instructions in the Owner's Manual for turning off the power to the instrument and the connected devices, in order to protect the devices from damage. If you do not want the power to turn off automatically when a device is connected, disable Auto Power Off. CAUTION • Even when the power switch is turned off (the display is blank), electricity is still flowing to the product at the minimum level. When you are not using the product for a long time, make sure to unplug the power cord from the wall AC outlet, and remove all the batteries from the instrument. Auto Power Off To prevent unnecessary power consumption, this instrument features an Auto Power Off function that automatically turns the power off if the instrument is not operated for approximately 30 minutes. If you do not want to use the Auto Power Off function, disable the function as described below. Please note that the setting will be restored to the default setting of "on" whenever the power is turned on. Disabling or enabling the Auto Power Off Setting 1 Press the [FUNCTION] button repeatedly until "AutoOff" appears in the display. 2 Set the value "oFF" (disable) or "on" (enable) by pressing the [+] and [-] buttons. Default setting: on Connecting headphones and external audio equipment Any pair of stereo headphones with a 1/4" stereo phone plug can be plugged in here for convenient monitoring. The speakers are automatically shut off when a plug is inserted into this jack. The PHONES/OUTPUT jack also functions as an external output. You can connect the PHONES/OUTPUT jack to a keyboard amplifier, stereo system or other line-level audio device to send the instrument's output signal to that device. CAUTION • Do not use the instrument/device or headphones for a long period of time at a high or uncomfortable volume level, since this can cause permanent hearing loss. If you experience any hearing loss or ringing in the ears, consult a physician. • Before connecting the instrument to other electronic components, turn off the power for all components. Before turning the power on or off for all components, set all volume levels to minimum. NOTICE • When the instrument's sound is output to an external device, first turn on the power to the instrument, then to the external device. Reverse this order when you turn the power off. EZ-220 Owner's Manual 11