Casio LK280 User Guide - Page 65

Reference English Troubleshooting Symptom Action Included Accessories I can't find something that should be here. Carefully check inside all of the packing materials. Power Requirements Power will not turned on. • Check the AC adaptor or make sure that the batteries are facing correctly (page E-9). • Replace the batteries with new ones or switch over to AC adaptor power (page E-9). The Digital Keyboard outputs a loud sound and then Replace the batteries with new ones or switch over to AC adaptor suddenly powers down. power (page E-9). The Digital Keyboard suddenly powers down after a This happens when Auto Power Off (page E-10) is triggered. few minutes. Display If I don't play anything for a few minutes, keyboard Turn off the power on alert feature (page E-10). keys suddenly start flashing. Things return to normal after I press a keyboard key or a button. The display keeps going out or are flashing. Replace the batteries with new ones or switch over to AC adaptor power (page E-9). On-screen keyboard keys or notes remain on the display. A Step Up Lesson is in progress and the Digital Keyboard is waiting for you to play the next note in the song. To stop this from happening, cancel the lesson (page E-32). Screen contents are visible only from straight ahead. This is dues to production limitations. It does not indicate malfunction. Sound Nothing happens when I press any keyboard key. Nothing happens or notes do not play normally when I play notes on the left side of the keyboard. • Adjust the volume setting (page E-10). ep • Check if something is plugged into on the back of the Digital Keyboard. • If there is no sampled sound in memory, nothing will play if you press a keyboard key while a tone in the range of 601 to 608 is selected (page E-19). • Turn power off and then back on to initialize all Digital Keyboard settings (page E-10). bl Press to disable chord input in the accompaniment keyboard area (page E-38). Nothing happens when I start an Auto Accompaniment. • With rhythms 171 to 180, nothing will sound until you play a chord on the keyboard. Try playing a chord (page E-38). • Check and adjust the accompaniment volume setting (page E-41). • Turn power off and then back on to initialize all Digital Keyboard settings (page E-10). Nothing happens when I start playback of a built-in song. • It takes a little time after you press the button until the song starts to play. Wait for a moment for the song to start. • Check and adjust the song volume (page E-28). • If there is no user song stored in memory, song playback will not bk start when you press while a song in the range of 153 to 162 is selected (page E-29). • Turn power off and then back on to initialize all Digital Keyboard settings (page E-10). The metronome does not sound. • Check and adjust the accompaniment volume setting (page E-41). • Check and adjust the song volume (page E-28). • Turn power off and then back on to initialize all Digital Keyboard settings (page E-10). E-63