Yamaha PSR-E253 Owner's Manual - Page 14

Setting Up Auto Power Off Function 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 a specified period of time. The amount of time that will elapse before the power is automatically turned off is set by default to 30 minutes.  To set the time that elapses before Auto Power Off is executed: Press the [FUNCTION] button several times until "AutoOff" (Function 022; page 31) appears, then use the [+] or [-] button to select the desired value. Settings: OFF, 5, 10, 15, 30, 60, 120 (minutes) Default value: 30 (minutes)  To disable the Auto Power Off function: Turn off the power, then press the [ ] (Standby/On) switch to turn on the power while holding down the lowest key. The Auto Power Off function also can be disabled by selecting Off in Function number 022 (page 31). Selecting an EQ Setting for the Best Sound Six different master equalizer (EQ) settings give you the best possible sound when listening through different reproduction systems-the instrument's internal speakers, headphones, or an external speaker system. 1 Hold down the [ULTRA-WIDE STEREO] button for longer than a second to call up "013 MasterEQ" (Function 013; page 31). "MasterEQ" is shown in the display for a few seconds, and the current Master EQ type appears. Hold for longer than a second. MasterEQ 013 NOTE • Generally, the data and settings are maintained even when the power is turned off. For details, see page 32. NOTICE • Depending on the instrument status, the power may not turn off automatically, even after the elapse of the specified period of time. 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 to turn 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. Setting the Volume When you start playing, use the [MASTER VOLUME] dial to adjust the volume of the entire keyboard sound. 1 Speaker 013 Current Master EQ type 2 Use the [+] or [-] button to select the desired Master EQ type. Master EQ types 1 Speaker 2 Headphone 3 Boost 4 Piano 5 Bright 6 Mild Optimum for listening via the instrument's built-in speakers. Optimum for headphones, or for listening via external speakers. Features more powerful sound. Optimum for piano solo performance. Lowers the mid range for a brighter sound. Lowers the high range for a softer sound. CAUTION • Do not use this instrument at a high volume level for a long period of time, or your hearing may be damaged. 14 PSR-E253/YPT-255 Owner's Manual