Use the following procedure to change the HP507 Auto-Off setting:
- While holding down the Key Touch button, press the Transpose button.
- Use the Slow / Fast buttons to select the "Auto Off" menu.
- Use the + / - buttons to change the setting.
NOTE: The Auto Off options are:
Off - The power will not turn off automatically.
10 - The power will turn off automatically if the HP-507 is not played for 10 minutes.
30 - The power will turn off automatically if the HP-507 is not played for 30 minutes.
240 - The power will turn off automatically if the HP-507 is not played for 240 minutes.